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3 years ago

How long will it take an object to hit the ground if dropped from 100 meters

Physics

2 answers:

mash [69]3 years ago

8 0

Answer:

The answer depends on what object you are dropping. Are you dropping a balloon or a car? (I'm joking 'bout that one.) If the mass of the object is very little, then it might drop slower. If the mass is bigger, then it might drop faster.

Good luck!

Explanation:

My name is Ann [436]3 years ago

4 0

Answer:10.24

Explanation: well, the acceleration of gravity is 9.8m/s².So, gravity pulls objects down at this rate

so now we divide 100/9.8 and we get our answer which is 10.24 seconds(APPROX)

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2 years ago

Was the color orange named after the fruit or was the fruit named after the color

Marizza181 [45]

Answer:

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3 years ago

When turned on, a fan requires 5.0 seconds to get up to its final operating rotational speed of 1200 rpm. a) How large is the fi

vova2212 [387]

Answer:

125.6 rad/s

25.12 rad/s²

Explanation:

t = time required by the fan to get up to final operating speed = 5 sec

w = final operating rotational speed = 1200 rpm

we know that :

1 revolution = 2π rad

1 min = 60 sec

w = $1200\frac{rev}{min}\frac{2\pi rad}{1 rev}\frac{1 min}{60 sec}$

w = $\frac{1200\times 2\pi }{60}\frac{rad}{s}$

w = 125.6 rad/s

w₀ = initial angular speed = 0 rad/s

α = angular acceleration

using the equation

w = w₀ + α t

125.6 = 0 + α (5)

α = 25.12 rad/s²

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3 years ago

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ryzh [129]

True.
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