Suppose you are playing hockey on a new-age ice surface for which there is no friction between the ice and the hockey puck. You wind up and hit the puck as hard as you can. After the puck loses contact with your stick, the puck will
A) start to slow down.
B) speed up a little, and then move at a constant speed.
C) not slow down or speed up.
D) speed up a little, and then slow down.
C
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Provided following are stages that occurred during the formation of our solar system. Rank these stages from left to right based on when they occurred, from first to last.
What will be an ideal response?
Dana uses a rope to pull a box that weighs 600 N across a level surface with constant velocity. The rope makes an angle of 40° above the horizontal and the tension in the rope is 400 N. What is the coefficient of friction?
a. 0.89 b. 0.88 c. 2.00 d. 1.19 e. 0.84
When a car of mass accelerates from 10.0 m/s to some final speed, 4.00 × 105 J of work are done on it by the frictional force exerted on the car by the road's surface. Find this final speed
A) 28.0 m/s B) 22.4 m/s C) 25.2 m/s D) 30.8 m/s
What is thermal conductivity?
What will be an ideal response?