Questions asked
Nishant Kumar
Numerade educator
A TV set is pushed a distance of 4 m with a force of 62 N that is in the same direction as the set moves. How much work, in J, is done on the set?
A 4-kg ball has a momentum of 10 kg ∙ m/s. What is the ball's speed in m/s?
A ball is moving at 2 m/s and has a momentum of 13 kg ∙ m/s. What is the ball's mass in kg?
The average momentum of a 80-kg runner who covers 268 m in 51 s is __ kg ∙ m/s.
If you exert 193 J in 2 s, your power output is ___ W.
Nicholas Mogoi
Consider a hydraulic press. When the input piston is depressed 11 cm, the output piston is observed to move 3.5 cm. On the same press, an input force of 123 N can raise no more than ___ N
Ankur S
t takes 98 J to push a large box 2 m across a floor. Assuming the push is in the same direction as the move, what is the magnitude of the force on the box, in N?
A 4.2-kg mass has 148 J of potential energy with respect to the ground. Approximately how far, in m, is it located above the ground?
Ashar Tanveer
An object is pulled northward with a force of 5 N and northward with a force of 11 N. The magnitude of the net force on the object is ___ N.
It takes 6 s for a stone to fall to the bottom of a mine shaft. How deep (m) is the shaft?