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Answer:

The force applied is 32 N

Explanation:

F = ma

F = 8 × 4

F = 32 N

Answer:

[tex]\boxed {\boxed {\sf 32 \ Newtons}}[/tex]

Explanation:

We are asked to find the net force on an object. According to Newton's Second Law of Motion, force is the product of mass and acceleration. Therefore, the formula for calculating force is:

[tex]F= m \times a[/tex]

The mass of the object is 8 kilograms and its acceleration is 4 meters per second squared.

Substitute these values into the formula.

[tex]F= 8 \ kg \times 4 \ m/s^2[/tex]

Multiply.

[tex]F= 32 \ kg *m/s^2[/tex]

Convert the units. 1 kilogram meter per second squared is equal to 1 Newton. So, our answer of 32 kilogram meters per second squared is equal to 32 Newtons.

[tex]F= 32 \ N[/tex]

The net force on the object is 32 Newtons.

X - rays are highly penetrating electromagnetic radiations that are formed when the cathode rays strikes a dense metal.

It has many characteristics such as :

Explanation:

By the statement, Efficiency of a machine is 60% it is meant that 'The work output is 60% of the work input'. If you apply 100J of energy for a machine, it will be able to life load of 60 J only

There are two primary reasons that SI is better than MKS. Both reasons come under the category that the MKS system is a proper subset of SI. That means that SI will do everything that MKS does, so you do not lose anything of MKS in going to SI but the are things that SI offers that MKS does not

Answer: m1, m2, a1, T

Explanation:

Explanation:

v2 = v1 + at

v2 final speed

v1 initial speed

a acceleration

t time

2 = 0 + 4 a

a = 1/2

Answer:

B increases hope this is right

Explanation:

Calculating this according to the m/s rate

Now solving the question

If the car goes 20 m/s mathematically we can generate it as

15 × 60 = 600 secs

If the car goes 20 meters per every second it means

The car will go 20 meters for 900 secs

Which is 900 ×20 = 18000m/s

=18000÷1000 = 1km

Therefore the answer is 18km

Explanation:

f = ma

m = 5.2kg

u = 0

V= 2.80m/s

t = 6.10s

a =(2.8- 0)/6.10

a = 2.8/6.10

a = 0.46m/s²

f = 5.2 X 0.46 =2.392N

f = 2.392N

Answer:

a) Object X is positively charged

Explanation:

Unlike charges attract each other

Like charges repel each other

The object X will be positively charged through charging by conduction.

The given parameters:

A charge can be produced by conduction. This method of charge generation involves charging a neutral body by placing it in contact charged body.

When object X is placed in contact with object Y, which is negatively charged, the negative charges of object Y repels negative charges of object X. This leaves object X with excess protons, thereby becoming positively charged.

Thus, the object X will be positively charged through charging by conduction.

Learn more about charging by conduction here: https://brainly.com/question/8418256

Answer:

B

Explanation:

the graph shows the line going up (accelerating) and it isn't curving like d so it doesn't stop accelerating

Hope this helps :)

Answer:

Explanation:

Assuming the x axis lies along the slope.

Fy = mgcosθ = 1150(9.81)cos8.70 = 11,151.6937... = 11.2 kN

Answer:

8. Dinitrogen trioxide:

[tex]{ \sf{N_{2} O_{3}}}[/tex]

9. Nitrogen:

[tex]{ \sf{N}}[/tex]

10. Lithium oxide:

[tex]{ \sf{Li_{2}O}}[/tex]

11. Phosphorus trifluoride:

[tex]{ \sf{PF_{3} }}[/tex]

12. Vanadium oxide:

[tex]{ \sf{V_{2} O_{3} }}[/tex]

13. Silicon tetrafluoride:

[tex]{ \sf{SiF _{4}}}[/tex]

14. Sodium phosphide:

[tex]{ \sf{Na_{3} P}}[/tex]

Answer:

Ideal machines are said to have parts which are weightless , frictionless and strings if any are inextensible. Practical machines have parts which have weights, friction and it causes some loss of work done. So these are the differences between Ideal Machine and Practical Machines.

less oxygen?

Explanation:

Answer:

if there was less plants, there would be more carbon dioxide (and less oxygen) because they wouldnt be using it up for food.

Explanation:

Yes. This is indeed the location of an object.

Answer:

wdym

Explanation:

not much information

Answer:

You are exactly right. The molecules in hot air are moving faster than the molecules in cold air. Because of this, the molecules in hot air tend to be further apart on average, giving hot air a lower density. That means, for the same volume of air, hot air has fewer molecules and so it weighs less

Using Newtons second law

[tex]\\ \sf\longmapsto Force=Mass\times Acceleration[/tex]

[tex]\\ \sf\longmapsto Force=kgm/s^2[/tex]

[tex]\\ \sf\longmapsto Force=Newton(N)[/tex]

C. It is answered by observation and evidence.

Good scientific explanations are defined, measurable and controllable. They can be answered by an experiment.

Answer:

F = 15N

Explanation:

The explanation is on the above photo.

Answer:

.54 grams = .054 dekagrams

Explanation:

Answer:

It is experimental. She will testing or investigating on children. So yeah, it is experimental

Answer:

Explanation:

They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns, to describe the device's ability to measure temperature from a distance. Infrared thermometers are a subset of devices known as "thermal radiation thermometers".

Answer:

uujjjjjctc7tox7txr9ll8rz8lr5xl8r6l8dl85x8rl5x8rl5x8rl5xrx8l58rk5xr8l5xr6l8xr68lc

Answer:

- 7.088 m/s²

Explanation:

As we know that,

★ Acceleration = Change in velocity/Time

→ a = (v - u)/t

Here,

→ a = (10.9 m/s - 27.7 m/s)/2.37 s

→ a = -16.8/2.37 m/s²

→ a = -7.088 m/s² [Answer]

Negative sign denotes that the velocity is decreasing.

Answer:

[tex]\boxed {\boxed {\sf -7.09 \ m/s^2}}[/tex]

Explanation:

We are asked to find the acceleration of a car. Acceleration is the change in velocity with respect to time. We will use the following formula:

[tex]a= \frac {v_f-v_i}{t}[/tex]

In this formula, [tex]v_f[/tex] is the final velocity, [tex]v_i[/tex] is the initial velocity, and [tex]t[/tex] is the time. The car slows down from 27.7 meters per second to 10.9 meters per second in 2.37 seconds. Therefore:

Substitute the values into the formula.

[tex]a= \frac{ 10.9 m/s-27.7 m/s}{2.37 \ s}[/tex]

Solve the numerator.

[tex]a= \frac{-16.8 \ m/s}{2.37 \ s}[/tex]

Divide.

[tex]a= -7.088607595 \ m/s/s[/tex]

[tex]a= -7.088607595 \ m/s^2[/tex]

The original measurements of velocity and time have 3 significant figures, so our answer must have the same. For the number we found, that is the hundredth place. The 8 in the thousandth place tells us to round the 8 in the hundredth place up to a 9.

[tex]a \approx - 7.09 \ m/s^2[/tex]

The acceleration of the car is approximately -7.09 meters per second squared. The acceleration is negative because the car is slowing down.

An LCR circuit is a circuit which has Inductors , Capacitor and Resistors connected to each other in an specific way.

An RLC circuit is an electrical circuit consisting of a resistor, an inductor, and a capacitor, connected in series or in parallel. The name of the circuit is derived from the letters that are used to denote the constituent components of this circuit, where the sequence of the components may vary from RLC.

Acceleration = v^2 / r

Acceleration = 30^2/25

Acceleration = 900/25

Acceleration = 36 m/s^2

Answer:

A light emitting diode (a semiconductor diode which glows when voltage is applied.

Answer:

a. Same force magnitude

Answer:

jh7j7j678j

Explanation:

[tex]-\frac{\sqrt{(x^{\frac{1}{2} }+1)(x^{\frac{1}{2} }-1) } }{x^{\frac{1}{2} }-1}[/tex]