To find the optimal block size that minimizes the total miss latency, we need to consider the trade-off between miss rate and miss latency for different block sizes. The total miss latency can be calculated by multiplying the miss rate by the miss penalty (B cycles).
Given the miss rates for various block sizes, we can calculate the total miss latency for each block size:
The total miss latency can be calculated using the following formula:
Total Miss Latency = Miss Rate * Miss Penalty * CPI
Block size 8: 4% miss rate, total miss latency = 4% * 8 = 0.32 cycles
Block size 16: 3% miss rate, total miss latency = 3% * 16 = 0.48 cycles
Block size 32: 2% miss rate, total miss latency = 2% * 32 = 0.64 cycles
Block size 64: 1.5% miss rate, total miss latency = 1.5% * 64 = 0.96 cycles
Block size 128: 1% miss rate, total miss latency = 1% * 128 = 1.28 cycles
To minimize the total miss latency for a miss latency of 20 x B cycles, we need to choose the block size with the lowest total miss latency. In this case, the block size of 8 has the lowest total miss latency of 0.32 cycles.
For a miss latency of 24 + B cycles, the block size does not affect the optimal choice since the total miss latency is constant and independent of the block size.
For a constant miss latency, the optimal block size would be the one with the lowest miss rate. In this case, the block size of 128 has the lowest miss rate of 1%, resulting in the optimal block size for a constant miss latency.
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Full question -
Cache block size (B) can affect both miss rate and miss latency. Assuming a machine with a base CPI of 1, and an average of 1.35 references (both instruction and data) per instruction, find the block size that minimizes the total miss latency given the following miss rates for various block sizes.
8: 4% 16: 3% 32: 2% 64: 1.5% 128: 1%
a.What is the optimal block size for a miss latency of 20 x B cycles?
b.is the optimal block size for a miss latency of 24 + B cycles?
c,For constant miss latency, what is the optimal block size?
Two sound waves are traveling through a container of the unknown gas. Wave A's wavelength is 1.2 m. Wave B's wavelength is 3.6 m. Compare the velocity of the waves.
a mass of 0.75 kg is attached to a spring and placed on a horizontal surface. the spring has a spring constant of 180 N/m, and the spring is compressed 0.3 m past its natural length. if the mass is released from this compressed position, what is the speed of the mass as it passes the natural length of the spring?
Answer:
6.57 m/s
Explanation:
First use Hook's Law to determine the F the compressed spring acts on the mass. Hook's Law F=kx; F=force, k=stiffnes of spring (or spring constant), x=displacement
F=kx; F=180(.3) = 54 N
Next from Newton's second law find the acceleration of the mass.
Newton's .2nd law F=ma; a=F/m ; a=54/.75 = 72m/s²
Now use the kinematic equation for velocity (or speed)
v₂²= v₀² + 2a(x₂-x₀); v₂=final velocity; v₀=initial velocity; a=acceleration; x₂=final displacement; x₀=initial displacment.
v₀=0, since the mass is at rest before we release it
a=72 m/s² (from above)
x₀=0 as the start position already compressed
x₂=0.3m (this puts the spring back to it's natural length)
v₂²= 0 + 2(72)(0.3) = 43.2 m²/s²
v₂=[tex]\sqrt{43.2)\\[/tex] = 6.57 m/s
Look at the image for answer
Does the kinetic energy of an object depend on its gravitational potential energy? use evidence to explain your answer.
Answer:
Short answer: No
Explanation:
Long answer: Kinetic energy is the amount of energy in a moving object. Gravitational potential energy is the energy in an object because of the object's position in the gravitational field.
Imagine a car travelling along a road. There is a wall at one end of the road and car collides with this wall. The energy released when the car collides with the wall is the kinetic energy of the moving car. To have kinetic energy an object must have velocity. The equation for the kinetic energy of a moving object is
K.E = [tex]\frac{1}{2} mv^{2}[/tex] , where m is the mass of the object and v is velocity. So, if velocity is zero (i.e. the object isn't moving), K.E = 0.
Now, imagine a car falling from a plane which is flying at a height of 300 metres from the ground. The energy the car possesses at a height of 300m is its gravitational potential energy. This is the energy which causes the falling car to move toward the ground in the first place.
You might think that as the car moves towards the ground, it has velocity since it's moving. Well, yes; the car does have kinetic energy, but only when it starts moving; the car does not have any kinetic energy when it's on the cargo hold of the plane. It is the gravitational potential energy of the car which causes an increase in kinetic energy. The equation for gravitational potential energy is:
[tex]G.P.E = mgh[/tex] , where m= mass of the object, g is the gravitational field strength (i.e 10N/kg) and h is the height of the object from the ground. So, imagine if the car parked on the ground, its gravitational potential energy would be zero, and if gravitational potential energy is zero, then there will be no force to cause the car to start moving and gain kinetic energy.
In this sense, you might say that the kinetic energy of the object does depend on its gravitational potential energy, but remember, in the first example, the car was not moving downwards; it was moving horizontally. So gravitational potential energy only affects kinetic energy downwards, but kinetic energy can be in any direction.
And hence, gravitational potential energy does not affect kinetic energy.
Which type of particle is the basic building block of matter?
O A. Molecule
O B. Atom
O C. Crystal
O
D. Droplet
SUBN
Answer:
B
Explanation:
The Atom
Atom is the basic building block of matter .
A man runs at a speed of 6.25 meters per second for 240 seconds. How 5 po
far did he run?
O A. . 1500 m
O B. 38.4 m/s
C. 1500 m/s
O D.D. 38.4 m
Answer:
The answer is option AExplanation:
The distance covered by an object given it's velocity and time taken can be found by using the formula
distance = velocity × timeFrom the question
velocity = 6.25 m/s
time = 240 s
So we have
distance = 6.25 × 240
We have the final answer as
1500 mHope this helps you
HELPPPPPP!!
For an object to float, the mass of the water displaced must __________ the mass of the object.
A. equal
B. be less than
C. lessen
D. be greater than
Why did corn borers increase after the fields were sprayed for beetles?
had more corn to eat
were protected by the spray
their natural predator was gone
Answer:
Their natural predator was gone.
DATE
PAGE NO.
at
3. A cor travelling east at a constant
speed of 20mlbegins to accelerate
3.8 m/s² Alhen it is 200m behind
a truck currently moving cast at a
constant speed. og 12 mds; How long
will it take for the car. to catch up
with the truck. How far will the
truck and car travel during this time.
Answer:
20mlvs I'd pick for this
According to Newton's second law, what happens when the same force is applied to two objects of different masses?
А
The object with greater mass will experience a smaller acceleration.
B.
The object with greater mass will experience a greater acceleration.
с
The object with smaller mass will experience a smaller acceleration.
D
The two objects experience the same
Answer:
B
Explanation:
The object with greater mass will experience a smaller acceleration. Option A is correct.
What is force?Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body. Force is defined as the product of mass and acceleration. Its unit is Newton.
From the defination force is given as;
[tex]\rm F = m a[/tex]
Where,
F is the force applied
m₁ is the mass of the object 1
m₂ is the mass of the object 2
If the force applied is constant mass is the inverse of the acceleration. Due to this objects with greater mass will experience a smaller acceleration.
Hence option A is correct.
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. A ferry is crossing a river. If the ferry is headed due north with a speed of 2.5 m/s relative to the water and the river’s velocity is 3.0 m/s to the east, what will the boat’s velocity relative to Earth be?
Answer:
The boat's velocity relative to Earth is 3.91 m/s.
Explanation:
Given;
speed of ferry due north, [tex]V_y[/tex] = 2.5 m/s
speed of the river to the east, [tex]V_x[/tex] = 3.0 m/s
The boat's velocity relative to Earth is given by;
[tex]V = \sqrt{V_x^2 + V_y^2} \\\\V = \sqrt{(3)^2+(2.5)^2}\\\\V = 3.91 \ m/s[/tex]
Therefore, the boat's velocity relative to Earth is 3.91 m/s.
The boat’s velocity relative to Earth be 3.91 m/s.
Given that,
A ferry is crossing a river. If the ferry is headed due north with a speed of 2.5 m/s relative to the water.And the river’s velocity is 3.0 m/s to the east.Based on the above information, the calculation is as follows:
[tex]= \sqrt{2.5^2 + 3.0^2} \\\\= \sqrt{6.25 + 9}\\\\= \sqrt{15.25}[/tex]
= 3.91 m/s
Therefore we can conclude that the boat’s velocity relative to Earth be 3.91 m/s.
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Processes such as dissolving, melting, freezing, and evaporationg can affect the appearance of a substance, but the identity of the substance remains the same. These processes are called
A. physical properties
B. chemical change
C. chemical process
D. physical change
PLEASE HELP ASAP!!
Coach Wilkins drops a football from the top of the home bleachers at Tiger Stadium. If the stadium is 40.6 meters tall, how long did it take the ball to fall?
Help me Plssss i Will give brainlist!!!!
Answer:
100 cm
Explanation:
:) <3
A 345 kg block has a weight of __ on earth.
A) 345 kg
B) 345 pounds
C) 345 N
D) 34.5 N
Answer:
The correct answer is;
3450 N
Explanation:
The given parameters are;
The mass of the block = 345 kg
The location of the block = Earth
The weight, W, of an object on Earth is given by the mass of the object × The acceleration due to gravity
The acceleration due to gravity on Earth ≈ 10 m/s²
Therefore, we have;
The weight of the block on Earth = The mass of the block × The acceleration due to gravity of the block = 345 kg × 10 m/s²
∴ The weight of the block on Earth = 3450 kg·m/s² = 3450 N
A 350 kg block has a weight of 3450 N
(Therefore, a 34.5 kg block has a weight of 345 N)
PLEASE HELP!!!!! 30 POINTS!!!!! I HAVE NO IDEA HOW TO DO THIS!!
Match these items and the phrases with which they are associated.
1. upward force of a liquid on an object
2. H 2 O
3. basic unit of matter
4. amount of matter in an object
5. n = 1
6. l × w × h
7. drew first picture of atom
8. mass/volume
mass,
atom,
water,
buoyancy,
inner shell,
volume,
density,
Neils Bohr,
concrete
which of the following objects is accelerating? A.) A car driving in a circle at a constant speed of 35 mph B.) A car driving in a northwest at a constant speed of 35 mph C.) A car driving south at a constant speed of 45 mph D.) A car driving southwest at a constant speed of 35 mph
Answer:
A
Explanation:
Acceleration and velocity are vector quantities so they have a magnitude and direction. If the car is travelling in a circle it is constantly changing its direction therefore it is acclerating.
When A car driving in a circle at a constant speed of 35 mph then car is accelerating.
Option A is correct.
Scalar quantity A quantity which have only magnitude.
Vector quantity A quantity which have both magnitude and direction.
Acceleration and velocity both are vector quantities so they have a magnitude and direction. When the car is travelling in a circle it is constantly changing its direction.Hence, when A car driving in a circle at a constant speed of 35 mph then car is accelerating.
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A bus covers 200m in 5 second.Calculate its speed.
Write 3.5 x 105 in standard form.
The volume of water in a graduated cylinder is 88 mL. After a small object is placed in the cylinder, the volume increases to 100 mL. What is the volume of the object? First give your answer in mililiters, then in cubic centimeters.
22 milileters and also 22 cubic meters
Formula: multiply the volume value of milileter by 1 to get cubic meter
The volume of the small object is 12mL (milliliters) or 12cm³ (cubic centimeters).
Given the data in the question;
Volume of Water; [tex]V_w = 88mL[/tex]Volume of water and Small object; [tex]V_{w+o} = 100mL[/tex]Volume of object; [tex]V_o =\ ?[/tex]
To determine the volume of object, we simply substract the Volume of Water from the Volume of water and Small object.
[tex]V_o = V_{w+o} - V_w[/tex]
We substitute our given values into the expression
[tex]V_o = 100mL - 88mL\\\\V_o = 12mL[/tex]
We know 1 milliliters equals 1 cubic centimeters
so
[tex]V_o = 12cm^3[/tex]
Therefore, the volume of the small object is 12mL (milliliters) or 12cm³ (cubic centimeters).
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What is the force that causes you t land on the floor when you fall out of bed?
Answer: gravity.
Explanation:
Answer:gravity
Explanation:
please help!!
There are more electrons in the orbitals of an atom that there are protons in the nucleus of the atom true or false
Answer:
An element is a pure substance that contains only one type of atom. TRUE. 2. ... FALSE, they are all carbon atoms. 7. The smallest unit of matter is an atom. TRUE. 8. When an ... TRUE. 10. Most of the mass of an atom is found in the electron layers. FALSE. 11. The nucleus of an atom contains protons and neutrons. TRUE ...
Explanation:
Sigh someone stole the points and it marked as an answer so please someone actually answer this.
A 65 kg swimmer jumps off a 10 m tower.
Find the swimmer's velocity on hitting the water.
The swimmer comes to a stop 2 m below the surface. Find the net force exerted by the water.
Answer:
Hope this solution helps you
5. A chemist observes that the iron fence outside his home has changed color and texture over time. Which would be a testable scientific question the scientist could ask? (2.5 Points) What will my neighbors think of me if I do not replace the fence? What could I have done to prevent the fence from changing color and texture? Will my friends think the fence is ugly? Which looks better, an iron fence or a wooden fence?
Answer:
What could have possibly turned the iron fence into a different texture and color. What chemical reaction has taken place in order to change the texture and color of the iron fence? If you live in a wealthy neighborhood, then chances are, they might think it looks lazy. Weather, Rainstorms, and high humidity cause iron fences to rust. You can probably repaint the fence a different color. As long as your friends aren't harsh with you, I don't think they'll think it's ugly. I would prefer a wooden fence and then repaint it from there.
Explanation:
I hope this helps :)
What is the acceleration of a 25 kg object when a 200 N force is applied to it?
Answer: 8
Explanation: 200/25=8
A notation that shows which elements, and how many of each type a compound contains is a(an)
______________.
a. Chemical formula c. Molecule
b. Anion d. Polar Covalent Bond
Answer:
a. Chemical formula
Explanation:
A notation that shows which elements, and how many of each type a compound contains is a chemical formula.
Basically, a chemical formula helps scientists to show or illustrate the type and number of atoms present in a particular molecule or compound by using numerical subscript, ions and atomic symbol of a chemical element.
This ultimately implies that, a chemical formula is used to describe or denote the exact amount of atoms that make up a molecule or compound.
Some examples of a chemical formula are;
Water = [tex]H_{2}O[/tex]
Sodium Hydroxide = [tex]NaOH[/tex]
Hydrochloric acid = [tex]HCl[/tex]
Carbon II oxide = [tex]CO_{2}[/tex]
At the beginning of a new school term, a student moves a box of books by attaching a
rope to the box and pulling with a force of F = 96.2 N at an angle of 62, as shown in the figure.
The acceleration of gravity is 9.8 m/s2.
The box of books has a mass of 14 kg and the coefficient of kinetic friction between the
bottom of the box and the floor is 0.35.
What is the acceleration of the box?
Answer in units of m/s².
Answer:
a=5.26m/s^2
Explanation:
Ff =ukNcos62°
= ukmgcos62°
= 0.35×14×9.8cos62°
=22.54N
Fnet =ma
Fap-Ff =ma
96.2-22.54=14a divide both sides by 14 to get acceleration
At the beginning of a new school term, a student box of books by attaching a rope to the box, so the acceleration of the box will be 5.26 m/s².
What is Acceleration?The rate of change in an object's velocity concerning time is known as acceleration in mechanics. The vector quantity of accelerations. The direction of the net force that is acting on an object determines its acceleration.
Since acceleration has both a magnitude and a direction, it is a vector quantity. Velocity is a vector quantity as well. The definition of acceleration is the change in velocity vector over a time interval divided by the time interval.
There are several types of acceleration :
Uniform AccelerationNon-Uniform AccelerationAverage AccelerationAccording to the question :
[tex]F_f[/tex] =ukNcos62°
= ukmgcos62°
= 0.35×14×9.8cos62°
=22.54N
[tex]F_N_e_t[/tex]=ma
[tex]F_a_p-[/tex][tex]F_f[/tex] =ma
96.2-22.54=14 a
a = 73.66/14
a = 5.26 m/s²
Hence, the acceleration of the box will be a = 5.26 m/s².
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the following are examples of physical properties except
Im not sure this in your choices but if it is, this is the answer.
I hope I've helped.
Which of the following was/were used by the Greek philosophers in
order to understand the world?
a Observation
b Experiment
C Reason
d All of the above
Need help
Answer:
a and c are both correct
Explanation:
The Greek Philosophers had to reject many existing explanations (mostly from the babylonians and the egyptians) because of possible religion bias. They resorted to logic and reason to provide understanding for the world around them. The first set of Greek Philosophers were the Milesian thinkers; whom aside from logic and reason also placed value on Observation in understanding the world.
There are generally no evidence to support the use of experiment to support the claims of the Greek philosophers
The answer is reason C (reason).
HELPPPP!!!!!
The air we breathe is a(n) _____.
A. compound
B. mixture
C. element
D. alloy
Butter melts when you heat it on a pan on the stove.is this a chemical changes or physical changes?
Answer:
No chemical bonds are broken or formed in melting butter, so it is not a chemical change. The melting process is only a physical change, the change of state from solid to liquid.
Answer:
I think it's physical change because originally it was a solid but now it's a liquid and its chemical properties have not changed only shape
