3 years ago

What is Alex Rodriguez nationally

Physics

1 answer:

faltersainse [42]3 years ago

3 0

He is American. Alex Rodriguez

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Efficiency of electrons causes negative charge why?

Paraphin [41]

Answer:

Electron is negatively charged because you don't get work or in simple words charge out of it.

Explanation:

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3 years ago

Why is an increase in speed a curved line on a position vs. time graph but a straight diagonal line on a speed vs. time graph?

guapka [62]

What do you need help with

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3 years ago

A speed skater is sliding across the ice at a speed of 19 m/s when she encounters a rough patch of ice that is 2.0 m wide. As sh

Stells [14]

Answer:

$-9.25 m/s^2$

Explanation:

The motion of the skater is a uniformly accelerated motion, so we can find the deceleration by using the following suvat equation:

$v^2-u^2=2as$

where

v is the final velocity

u is the initial velocity

a is the acceleration

s is the displacement

In this problem, we have:

u = 19 m/s is the initial velocity of the skater

v = 18 m/s is the final velocity of the skater

s = 2.0 m is the displacement

Solving for a, we can find the acceleration:

$a=\frac{v^2-u^2}{2s}=\frac{18^2-19^2}{2(2.0)}=-9.25 m/s^2$

And the negative sign tells us that the acceleration is in the opposite direction to the motion (so, it is a deceleration)

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4 years ago

If you do 200 joules of work using a force of 50 newtons, over what distance was the force applied ?

harina [27]

By using the formula for work, we can derive the force

W = Fd
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If you found that helpful, please rate this as "Brainiest"

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3 years ago

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t= 360.5 seconds

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