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3 years ago

11

You drop a coin from the top of a hundred story building (1000 m). If you ignore air resistance, 1-how fast will it be falling r

ight before it hits the ground? 2- How long does it take to hit the ground?

1 answer:

Over [174]3 years ago

7 0

Answer:

a. the speed is 141.4m/s

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marusya05 [52]

Answer:

with the 2 north poles it will repulse with the north and south it will retract

Explanation:

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3 years ago

What evidence supports the conclusion that a chemical reaction has occurred?

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Answer:

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Explanation:

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2 years ago

When most chemical reactions take place, some ____ in the reactants must be broken, a process that requires energy.

BabaBlast [244]

Answer:

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3 years ago

Read 2 more answers

What are (a) the kinetic energy, (b) the rest energy, and (c) the total energy of a 1.50 g particle with a speed of 0.600 c ?

MAVERICK [17]

Kinetic energy = 1/2 m v^2 = 1/2 x1.5 x10^-3 x 0.36

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3 years ago

A wave oscillates 5.0 times a second and has a speed of 4.0m/s what is the frequency of this wave

Viefleur [7K]

Answer:

The frequency of the wave is 5.0Hz

Explanation:

The frequency of a wave is the number of oscillations or revolutions made in a second.

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3 years ago