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3 years ago

What is the scientific definition of energy that relates it to work

Physics

2 answers:

Elza [17]3 years ago

8 0

Transferring the movement and energy into one object and putting it in another. Hope that helps.

Tems11 [23]3 years ago

3 0

Energy is the ability to do work

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What would be the formula if you<br> wanted to solve for the<br> acceleration?

VMariaS [17]

Answer:

acceleration = final velocity - initial velocity / time

V-U/T

Explanation:

Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt.

7 0

3 years ago

An object is released from rest and falls a distance h during the first second of time. How far will it fall during the next sec

Viefleur [7K]

Answer:

E. 3h

Explanation:

We know that

u = 0 m/s.

velocity after t = 1s

v = u+gt = 0+9.81 x 1s= 9.81 m/s

distance covered in 1st sec

= =>> ut+0.5 x g x t²

=>>0 + 0.5x 9.81 x 1 = 4.90m

Let 4.90 be h

distance travelled in 2nd second will now be used

So velocity after t = 1s

=>>1 x t+ 0.5 x g x t²

=>9.81x 1 + 0.5 x 9.81 x 1 = 3 x 4.90

So since h= 4.90

Then the ans is 3x h = 3h

3 0

3 years ago

What kind of model is shown below?

Rudiy27

D. a foot model

btw this is a joke right cuz there ain’t no picture lol

7 0

3 years ago

1. If the atomic number is 25, how many protons does it have?

ololo11 [35]

1. 25
2. 55-25 = 30

Hope this helps! :)

7 0

4 years ago

A vertical spring with k=490N/m is standing on the ground. You are holding a 5.0kg block just above the spring, not quite touchi

WARRIOR [948]

Answer:

Compression in the spring, x = 0.20 m

Explanation:

Given that,

Spring constant of the spring, k = 490 N/m

Mass of the block, m = 5 kg

To find,

Compression in the spring.

Solution,

Since the block is suddenly dropped on the spring gravitational potential energy of block converts into elastic potential energy of spring. Its expression is given by :

$mgx=\dfrac{1}{2}kx^2$

Where

x is the compression in the spring

$x=\dfrac{2mg}{k}$

$x=\dfrac{2\times 5\times 9.8}{490}$

x = 0.20 m

So, the compression in the spring due to block is 0.20 meters.

5 0

3 years ago