A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the vertical impulse the catapult receives from the rock is
A)5.1 × 104 N s.
B)6.1 × 104 N s.
C)8.0 × 104 N s.
D)5.0 × 105 N s.
E)6.0 × 105 N s.

Question

A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the vertical impulse the catapult receives from the rock is
A)5.1 × 104 N s. 
B)6.1 × 104 N s. 
C)8.0 × 104 N s. 
D)5.0 × 105 N s. 
E)6.0 × 105 N s.

Quizplus · Accepted Answer

The Answer of A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the vertical impulse the catapult receives from the rock is
A)5.1 × 104 N s. 
B)6.1 × 104 N s. 
C)8.0 × 104 N s. 
D)5.0 × 105 N s. 
E)6.0 × 105 N s.

A Catapult Fires an 800-Kg Rock with an Initial Velocity