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3 years ago

Nuclear energy is..

Physics

1 answer:

AlexFokin [52]3 years ago

4 0

I am going to say

C. Energy contained in the nucleus of an atom

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The bob (weight) at the end of a pendulum has a mass of 0.3 kilograms. The bob is pulled to position B and allowed to swing. It

deff fn [24]

The gravitational potential energy (GPE),is the energy of position given by GPE=mgh

Where m=mass in kilogram, g=acceleration due to gravity, h=height in meters

GPE=0.3×9.8×0.45=1.323J

8 0

3 years ago

Read 2 more answers

If it takes 20n to move a box, how much power will be needed to move the box a diatance

solmaris [256]

The power applied to move the box anywhere is

(20 n) x (distance moved) / (time to move the distance) .

3 0

3 years ago

The brakes on a bicycle apply 95 N of force to the wheels. When the

Veronika [31]

Answer:

idk

Explanation:

idk

6 0

2 years ago

If the value of static friction for a couch is 400N, what could be a possible value of its kinetic friction? *

Dafna11 [192]

Answer:

kinetic friction may be greater than 400 N or smaller than 400 N

Explanation:

As we know that maximum value of static friction on the rough surface is known as limiting friction and the formula of this limiting friction is known as

$F_s = \mu_s N$

now when object is sliding on the rough surface then the friction force on that surface is known as kinetic friction and the formula of kinetic friction is known as

$F_k = \mu_k N$

now we know that

$\mu_k < \mu_s$

so here value of limiting static friction force is always more than kinetic friction

also we know that

initially when body is at rest then static friction value will lie from 0 N to maximum limiting friction

and hence kinetic friction may be greater than static friction or if the static friction is maximum limiting friction then kinetic friction is smaller than static friction

so kinetic friction may be greater than 400 N or smaller than 400 N

5 0

3 years ago

How does exhailing remove waste from the body? Explain the systems that make this happen‚ using complete sentences

aliina [53]

Answer:

The lungs get rid of carbon dioxide and water vapor. The liver gets rid of bile, which, in addition to breaking down fats, is partially made up of the breakdown of red blood cells. The kidneys get rid of toxins from the blood. The large intestine gets rid of undigested food

3 0

2 years ago