Answer: 1.96 m/s
Explanation:
Given
Mass of Professor
Velocity of professor
mass of chair
velocity of chair
Suppose after the collision, v is the common velocity
Conserving momentum
Answer:
A force of μk⋅60N is needed to keep a 60-newton rubber block moving across level, dry asphalt in a straight line at a constant speed.
Explanation:
Answer:
an average of 92,955,807 miles
Explanation:
Answer:
The efficiency is just 0.016
Explanation:
The efficiency is given by the useful energy ÷ by the total energy.
1 W is the same that 1 joule per second
If you do the math:
1.6/100=0.016