Questions Asked

gifty91:
A wheel 90.0 cm in diameter accelerates uniformly from 205 rpm to 390 rpm. If in this process a point on the edge of this wheel have travel…
 updated one year ago
 5 replies
 No Medals Yet

gifty91:
Superman dangles his watch from a thin piece of string while he is taking off from the ground horizontally at a constant acceleration a. He…
 updated one year ago
 3 replies
 1 Medal

gifty91:
A 59 kg man stands still in an elevator moving with a constant speed of 1.9 m/s.
a) if the down going elevator comes to rest with a constan…
 updated one year ago
 1 reply
 1 Medal

gifty91:
A 50 kg person is standing on a bathroom scale in an elevator moving upward.
a.) if the scale reads 56 kg, what is the magnitude of upward …
 updated one year ago
 7 replies
 No Medals Yet

gifty91:
A boy is practicing tennis by hitting a ball at a wall. He hits the ball at 0.75 m above the ground. The initial speed of the ball is 20.0…
 updated one year ago
 7 replies
 No Medals Yet

gifty91:
Here's another one; Kenny throws a basketball which has an initial speed v0. When the ball gets to its mininum speed sometime before strikin…
 updated one year ago
 No Medals Yet