The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes it 0.90 s to reach the floor. What is the mass m of the other block? The pulley has no appreciable mass or friction
A) 60 kg
B) 54 kg
C) 48 kg
D) 42 kg
Answer: A
Physics & Space Science
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What is the average kinetic energy of an oxygen molecule in a gas with a temperature of 300K?
a. 
b. 
c. 
d. 
e. 
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The figure shows a graph of the acceleration of a 125-g object as a function of the net force acting on it. What is the acceleration at points A and B?
What will be an ideal response?
Physics & Space Science
The Fahrenheit scale has a ______________ degree size than the Celsius scale
Fill in the blank(s) with correct word
Physics & Space Science
Which of the following order from largest to smallest is incorrect?
a. void, supercluster, star b. filament, planet, asteroid c. wall, star, planet d. void, solar system, cluster
Physics & Space Science