Question
A kid with a mass of 30 kg slides down a slide 2.5 meters high from rest
a. What was his speed at the bottom?
b. If his speed was only 1 m/s at the bottom, how much energy was lost due to friction?
a. What was his speed at the bottom?
b. If his speed was only 1 m/s at the bottom, how much energy was lost due to friction?
Answers
Henry
a. V^2 = Vo^2 + 2g*h
Vo = 0.
g = 9.8 m/s^2.
V = ?
b. PE-KE = M*g*h - 0.5M*V^2 = Energy lost.
V = 1 m/s.
Vo = 0.
g = 9.8 m/s^2.
V = ?
b. PE-KE = M*g*h - 0.5M*V^2 = Energy lost.
V = 1 m/s.