A boxed 15.0kg computer monitor is dragged by friction 5.50m up along the moving surface of a conveyor belt inclined at an angle of 36.2 degrees above the horizontal. If the monitor's speed is a constant 2.20cm/s , how much work is done on the monitor by friction, gravity, and the normal force of the conveyor belt?

a) W friction = J

b) W gravity = J

c) W N = J

Rocío strikes a 0.058-kg golf ball with a force of 272n and gives it a velocity of 62.0m/s. how long was ricío club in contact with the ball?

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

Which feature of a heating curve indicates a change ofn state