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Sphinxa [80]
3 years ago
12

What happens to the bulb when the battery changes from 1.5V to 9v?

Physics
1 answer:
timofeeve [1]3 years ago
4 0

Answer:

it gets brighter because the volta increases

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What is the difference between kinetic and mechanical energy?
Wittaler [7]
Kinetic energy is energy that is in motion, thats all I remember
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Which pair of objects would have the LEAST gravitational attraction to each other?
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the brakes on a car do 240000j of work in stopping the car. if the car travels a distance of 40m while the brakes re being appli
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3 years ago
A man stands on a platform that is rotating (without friction) with an angular speed of 1.0 rev/s; his arms are outstretched and
Airida [17]

Answer:

Explanation:

Given

N_1=1 rev/s

angular velocity \omega =2\pi N_1=6.284 rad/s

Combined moment of inertia of stool,student and bricks =6\ kg.m^2

Now student pull off his hands so as to increase its speed to suppose N_2 rev/s

\omega _2=2\pi N_2  

After Pulling off hands so final moment of inertia is

I_2=2\ kg-m^2

Conserving angular momentum  as no external torque is applied

I_1\omega _1=I_2\omega _2

6\times 6.284=2\times \omega _2

\omega _2=18.85\ rad/s

N_2=3 rev/s

7 0
3 years ago
Explain why it is dangerous to jump from a fast moving train
Sergeu [11.5K]

Answer:

When you jump off a train, you jump off a certain height and your downwards (vertical) velocity is zero. But your forward (horizontal) velocity is not. You will hit the ground on split second with your horizontal velocity practically the same as the train.

Explanation:

you be in serious injury.

7 0
3 years ago
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