Question
Asked Oct 16, 2019

A 100-kg block is being released from rest from a height of 1.0m. It then takes 0.90 s to reach the floor. What is the mass m of the other block? The pulley has no appreciable mass or friction.

 

m
100 kg
1.0 m
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m 100 kg 1.0 m

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check_circleExpert Solution
Step 1

Given

M 100 kg
h 1 m
t 0.9 s
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M 100 kg h 1 m t 0.9 s

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Step 2

According to Newton law of equation

1
S ut at
2
S hand u-0
1
h
2
2h
2x1
(0.9)
a 2.5 m/s2
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1 S ut at 2 S hand u-0 1 h 2 2h 2x1 (0.9) a 2.5 m/s2

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Step 3

Free body di...

та
T
Ма
T
m
mg
Mg
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та T Ма T m mg Mg

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Tagged in

Science

Physics

Newtons Laws of Motion

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