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AleksandrR [38]
2 years ago
9

A stuntman drives a car off the edge of a rooftop and jumps mid-air to reach his safety net.

Physics
1 answer:
lara31 [8.8K]2 years ago
7 0

Answer:

Acceleration is towards the center of the earth

Explanation:

khan

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A solid disk has a mass of 162 kg and a radius of 1.30m. This
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Answer:

754.3 m

Explanation:

The moment of inertia of the solid disk:

I = mR^2/2

Where m is the disk mass and R is the radius of the disk.

I = 162*1.3^2/2 = 136.89 kgm^2

The angular kinetic energy of the disk is then:

E_k = I\omega^2/2 = 136.89 * 18^2/2 = 22176.18 J

By law of energy conservation, this energy is converted to potential energy to pick up the 3kg block

let g = 9.8 m/s2

E_p = m_bgh = 22176.18 J

where m_b = 3 kg is the mass of block

3*9.8h = 22176.18

h = \frac{22176.18}{3*9.8} = 754.3 m

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The answer is d because you have to make sure that everything is right
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B)8

Explanation:

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