3 years ago

A 50N girl pushes a 10,000 N car with force of 200N. What is the force the car pushes back at the girl? *

1 answer:

8 0

Answer:

200N

Explanation:

EVERY FORCE IS OPPOSED BY AN EQUAL FORCE, REGARDLESS OF THE WEIGHT OF THE OBJECTS APPLYING THE FORCE.

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FrozenT [24]

Answer: 39.2 m/s

Explanation:

You can use the kinematic equation:

$v_f^2=v_i^2+2a*d$

We know the final velocity because it says it came to a stop. So now all we gotta do is plug in.

$0^2=v_i^2+2(-10)(76.7)\\v_i^2=1,534\\v_i=\sqrt{1534} \\=39.166 m/s$

4 0

3 years ago

shutvik [7]

-Slow down
-Speed up
-Turning
Hope this helps

8 0

3 years ago

melamori03 [73]

Answer:

The only parameter that changes is mass m

It is only necessary to calculate the ratio Eh/Ee

$m_{h}=3m_{e}\\E_{h}=\frac{3m_{e}v^{2}}{2}\\E_{e}=\frac{m_{e}v^{2}}{2}\\\frac{E{h}}{E{e}}=3$

The kinetic energy of the heavy paricle is three times the kinetic energy of an electron

5 0

3 years ago

algol13

Electric force from electomagnetic force and force of gravity from gravitational force

4 0

3 years ago

natta225 [31]

Answer:

volume

Explanation:

Identical size means volume will be the same in each calculation of

density = mass / <u>volume</u>

3 0

2 years ago