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3 years ago

12

What is elastic potential energy and give and a example

1 answer:

VMariaS [17]3 years ago

5 0

Answer:

Many objects are designed specifically to store elastic potential energy, for example: The coil spring of a wind-up clock. An archer's stretched bow. A bent diving board, just before a divers jump

Explanation:

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You exert of force of 75 newtons on a rock. You push and you push, but you can't budge it. You are exhausted! How much work did

Rama09 [41]

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects. When the interaction ceases, the two objects no longer experience the force. Forces only exist as a result of an interaction

7 0

4 years ago

Read 2 more answers

A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 110 m above the

zysi [14]

Answer:

The distance is 709.5 m.

Explanation:

Given that,

Speed = 150 m/s

Distance = 110 m

Suppose, How far short of the target should it drop the package?

We need to calculate the time

Using equation of motion

$s=ut+\dfrac{1}{2}gt^2$

$t^2=\dfrac{2s}{g}$

Where, g = acceleration due to gravity

t = time

Put the value into the formula

$t=\sqrt{\dfrac{2\times110}{9.8}}$

$t=4.73\ sec$

We need to calculate the distance

Using formula of distance

$d= vt$

Put the value into the formula

$d=150\times4.73$

$d=709.5\ m$

Hence, The distance is 709.5 m.

8 0

3 years ago

Whats the measure of how much energy a sound wave carries, the loudness of a sound?

musickatia [10]

Decibels I believe? I’m not 100% sure

6 0

3 years ago

At the point of fission, a nucleus of 235U that has 92 protons is divided into two smaller spheres, each of which has 46 protons

Gwar [14]

Answer:

Force = 3481.1 N.

Explanation:

Below is an attachment containing the solution.

7 0

3 years ago

An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force actin

umka2103 [35]

Answer:

F = 91.27 N

Explanation:

Parameters given:

Charge of alpha particle, q = +2.0e = $2.0 * 1.60217662 * 10^{-19}$ = $3.204 * 10^{-19} C$

Charge of gold nucleus, Q = +79e = $79 * 1.60217662 * 10^{-19}$ = $1.266 * 10^{-17} C$

Distance between the alpha particle and gold nucleus, r = $2.0 * 10^{-14} m$

Electric force is given as:

F = $\frac{kqQ}{r^2}$

where k = Coulomb's constant

Therefore:

$F = \frac{9 * 10^9 * 3.204 * 10^{-19} * 1.266 * 10^{-17}}{(2.0 * 10^{-14})^2} \\\\\\F = 91.27 N$

The electric force acting on the alpha particle when the alpha particle is $2.0 * 10^{-14} m$ from the gold nucleus is 91.27 N.

7 0

3 years ago