compound name: for C3N6

Answer:

True

Explanation:

Took the quiz already

Answer:

This is true.

Explanation:

The average male consumes 2000-3000 calories per day whereas the average female consumes 1600-2400.

Answer:

pressure is equals to F/A tge answer is 5pa

Answer:

t = 6.15 [s]

Explanation:

To solve this problem we must use the following equation of kinematics.

[tex]v_{f}=v_{o}-a*t[/tex]

where:

Vf = final velocity = 0 (the plane comes to stop)

Vo = initial velocity = 24 [m/s]

a = desacceleration = 3.9 [m/s²]

t = time [s]

Note: The negative sign of the acceleration means that the plane is decreasing its velocity.

[tex]0=24-3.9*t\\3.9*t = 24\\t = 6.15[s][/tex]

The net force is in the direction of the larger force. If we take that direction to be positive, then the net force has a magnitude of

68.8 N - 26.5 N = 42.3 N

Use Newton's second law to solve for the acceleration:

F = m a

42.3 N = (21.2 kg) a

a = (42.3 N) / (21.2 kg)

a ≈ 2.00 m/s²

(you might also try 1.99 or 2.01 in case that doesn't get accepted)

Answer it scapes away loose anf rough pieces of wood

Explanation:

Answer:

To achieve a nice smooth finish, it's essential to sand to help prepare the area for painting application, by sanding you are removing imperfections (also known as pimples), creating a nice smooth finish while at the same time adding adhesion by developing small, rough ridges for the paint to stick to.

Using the right sandpaper can make all the difference in a woodworking, painting, or finishing project; but choosing between the many different types of sandpaper that are available can be a challenge. Here are some tips on how to choose the best sandpaper for your next project.

Explanation:

Sry if this is wrong :(

Answer:

884 meters

Explanation:

h=(340 m/s) x (5.2 s)=1,768

1,768/2=884 meters!

Hope this helped!

Answer: 111.6

Explanation: You would multiply the normal force of the block of ice which is the same number as the weight that was given (930N) , you multiply that by .12 to get the answer of 111.6 N as the force of friction.

Well, the figure seems to report that velocity is measured in m/s²... That label should say m/s. (Unless of course this is the graph of acceleration over time, but then the answer would probably be more complicated than the given choices.)

If the graph indeed shows velocity, and the unit is just a typo, then the displacement from A to D is equal to the area under the curve.

From A to B, the area is of a triangle with height 4 m/s and base 1 s, hence the area is 1/2 • (4 m/s) • (1 s) = 2 m.

From B to C, it's a rectangle with length 3 s and height 4 m/s, hence with area (3 s) • (4 m/s) = 12 m.

From C to D, it's a trapezoid with "height" 2 s and bases 4 m/s and 2 m/s, hence with area 1/2 • (4 m/s + 2 m/s) • (2 s) = 6 m.

The total displacement is then 2 m + 12 m + 6m = 20 m.

Answer:

hear

Explanation:

stuff stuff moaning and stuff

Answer:

Explanation:

D is my answer

Answer:

D

Explanation:

on the left u see it says velocity

Answer:

deposition

Explanation:

you are depositing something over

The process of wind blowing sand from one location to another is called erosion. The correct option is option (3).

The process of wind blowing sand from one location to another is known as wind erosion. It involves the movement and transport of sand particles through the force of the wind.

Wind erosion occurs when the force of wind lifts and carries sand particles, causing them to collide with and erode other surfaces. This process can lead to the formation of sand dunes and the reshaping of landscapes.

Therefore, The process of wind blowing sand from one location to another is called erosion. The correct option is option (3).

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Answer:

E. orange peel takes too long to decompose

Explanation:

Orange peels: It is estimated that orange peels take around 6 months to decompose,

Answer:

The answer is A

Explanation:

I used the process of elimination.

It couldn't be B because oranges are healthy

It couldn't be C because oranges aren't that expensive

It couldn't be D because oranges are sold year round

It couldn't be E because even though they do take around 6 months to decompose, they aren't bad for the environment

That leaves A

Answer:

(a) 0 (b) [tex]F=1.67\times 10^9\ N[/tex]

Explanation:

Given that,

Mass of a supertanker, [tex]m=1.7\times 10^8\ kg[/tex]

The engine of a generate a forward thrust of, [tex]F=7.4\times 10^5\ N[/tex]

(a) As the supertanker is moving with a constant velocity. We need to find the magnitude of the resistive force exerted on the tanker by the water. It is given by :

F = ma, a is the acceleration

For constant velocity, a = 0

So, F = 0

(b) The magnitude of the upward buoyant force exerted on the tanker by the water is equal to the weight of the ship.

F = mg

[tex]F=1.7\times 10^8\times 9.8\\\\F=1.67\times 10^9\ N[/tex]

Hence, this is the required solution.

Answer:

If you try to lift up a weight in a swimming pool and then try to lift the same weight on the edge of the pool, it feels much lighter in the water.

This was supposed to have been first explained by the Greek scientist Archimedes. He said that the water gives an upward force or upthrust on any object in it.

You can weigh an object in air and then in water and actually work out the upthrust, it is the difference between the two readings. For this reason the upthrust is often called the loss in weight of the object.

Answer:

A. Satellites

( Hope this helps ) <3    ( Give person above brainliest )

Answer:

I think so is b kinetic o a potential

Answer: Speed can equal to velocity, even though they have different formulas.

Explanation: Speed is the rate at which an object covers distance or how much space the object passed, which is usually measured in miles, meters, or kilometers. Velocity is the rate at which the position changes. Therefore, speed is and can equal to velocity.

Formulas:

Speed = distance/change in time

Velocity = change in distance/ change in time

Answer:

120

Explanation:

KE = (mv^2)/2

= ((0.15)(40)^2)/2

= ((0.15)(1600))/2

= 240/2

Answer:

317.52 mi/hr

Explanation:

First convert Meters into miles as the answer is required in miles/ h

1000m = 0.62 mi

Now, convert second into hours

7.45s = 0.0001 hr

The speed of the boat would be

v = 0.62/0.0001

=317.52 mi/hr

Answer:

a) Ffloor = 616.56[N]

b) Ffloor = 484.16 [N]

Explanation:

In order to solve this problem, we must first make a free body diagram. In this free body diagram include forces, as well as acceleration.

Then after the free body diagram, we perform a force analysis by means of Newton's second law, where the upward forces and even the upward acceleration will be taken as positive.

ΣF = m*a

where:

F = force [N] (units of Newtons]

m = mass [kg]

a = acceleration [m/s²]

g = gravity acceleration = 9,81 [m/s²]

a)

[tex]F_{floor} -m*g = m*a[/tex]

[tex]F_{floor} -(56*9.81)=56*1.2\\F_{floor}= 616.56[N][/tex]

b) Using Newton's second law we have.

[tex]F_{floor}-m*g= -m*a\\F_{floor}=-m*a+m*g\\F_{floor} = -(56*1.2) + (56*9.81)\\F_{floor} = 484.16 [N][/tex]

Answer:

5 sq. root 3

Explanation:

theta= 60°

=> u sin theta = 10 × sin 60

= 10× sq. root 3/2

= 5 sq. root 3

we have that from the Question"A projectile is launched at an angle of 60 degrees to the horizontal at an initial speed of 10 meters per second" it can be said that  

the magnitude of the vertical component of its initial velocity is

From the Question we are told

A projectile is launched at an angle of 60 degrees to the horizontal at an initial speed of 10 meters per second. What is the magnitude of the vertical component of its initial velocity?

Generally the equation for  vertical component is mathematically given as

The  vertical component will be the resolution of the vertical axis

Therefore

Fy=10sin60

Fy=8.660N

Therefore

the magnitude of the vertical component of its initial velocity is

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Answer:

meters squared

Explanation:

Anwer should W

Becuase W= F*D

Answer:

you probably have to take into account molecular density if you want the scientific answer. I would assume that marble is significantly more dense then brass and on top of that metals are a better conductor of heat. So I would say that a piece of brass would warm up faster

Answer:

[tex]57.24^{\circ}[/tex]

24.21 m/s

Explanation:

x = Displacement in x direction = 55 m

y = Displacement in x direction = 0

[tex]y_0[/tex] = Height of the ball when the ball is kicked = 1 m

t = Time taken = 4.2 s

[tex]a_y=g[/tex] = Acceleration due to gravity = [tex]-9.81\ \text{m/s}^2[/tex]

u = Initial velocity of ball

Displacement in x direction is given by

[tex]x=u_xt+\dfrac{1}{2}a_xt^2\\\Rightarrow 55=4.2u_x+0\\\Rightarrow u_x=\dfrac{55}{4.2}\\\Rightarrow u\cos\theta=13.1\ \text{m/s}\\\Rightarrow u=\dfrac{13.1}{\cos\theta}[/tex]

Displacement in y direction is given by

[tex]y=y_0+u_yt+\dfrac{1}{2}a_yt^2\\\Rightarrow 0=1+4.2u\sin\theta+\dfrac{1}{2}\times (-9.81)\times 4.2^2\\\Rightarrow 0=4.2u\sin\theta-85.5242\\\Rightarrow u\sin\theta=20.36\ \text{m/s}\\\Rightarrow u=\dfrac{20.36}{\sin\theta}[/tex]

[tex]\dfrac{13.1}{\cos\theta}=\dfrac{20.36}{\sin\theta}\\\Rightarrow \dfrac{20.36}{13.1}=\dfrac{\sin\theta}{\cos\theta}\\\Rightarrow \theta=\tan^{-1}\dfrac{20.36}{13.1}\\\Rightarrow \theta=57.24^{\circ}[/tex]

The ball should be kicked at an angle of [tex]57.24^{\circ}[/tex]

[tex]u=\dfrac{13.1}{\cos\theta}=\dfrac{13.1}{\cos57.24^{\circ}}\\\Rightarrow u=24.21\ \text{m/s}[/tex]

The initial speed of the ball is 24.21 m/s.

The number of unknowns in the question are two therefore two equations

are required to find a solution.

Part A: The angle at which the ball should be kicked is approximately 57.56°

Part B: The initial speed with which the ball should be kicked is approximately 24.41 m/s.

Reasons:

The given parameters are;

Time the ball should be in the air = 4.2 s

Point the ball should land, d = 5.5 m from where it was kicked

Height at which the ball leaves the ground = 1.0 m

Part A;

The angle at which the ball should be kicked.

Solution;

The horizontal distance, d = uₓ·t

Therefore;

[tex]u_x = \dfrac{d}{t} = \dfrac{5.5}{4.2} = \dfrac{55}{42}[/tex]

[tex]u_x = u \cdot cos(\theta)= \dfrac{55}{4.2}[/tex]

Where;

u = The initial velocity

[tex]Vertical \ motion , \ h =\mathbf{h_0 + u_y\cdot t - \dfrac{1}{2} \cdot g \cdot t^2}[/tex]

Which gives;

[tex]0 =1 + u_y\times 4.2 - \dfrac{1}{2} \times 9.81 \times 4.2^2 = 4.2\cdot u_y - 86.5242[/tex]

[tex]u_y =u \cdot sin(\theta) = \dfrac{86.5242}{4.2} = 20.601[/tex]

[tex]\dfrac{u_y}{u_x} =\dfrac{20.601}{\left(\dfrac{55}{4.2} \right)} = \mathbf{ \dfrac{u \cdot sin(\theta)}{u \cdot cos(\theta)}} = tan\left( \theta)[/tex]

[tex]\mathrm{The \ angle \ at \ which \ the \ ball \ should \ kicked } \ \theta = arctan \left(\dfrac{20.601}{\left(\dfrac{55}{4.2} \right)} \right) \approx \underline {57.56 ^{\circ}}[/tex]

Part B

[tex]u \cdot cos(\theta)= \dfrac{55}{4.2}[/tex]

[tex]The \ initial \ speed, \ u= \dfrac{55}{4.2 \times cos(57.56^{\circ })} \approx 24.41[/tex]

The initial speed of the ball, u ≈ 24.41 m/s

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