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

Question 21

Multiple Choice

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 horizontal impulse the catapult receives from the rock is


A) 5.1 × 104 N 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 horizontal 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. s.
B) 6.1 × 104 N 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 horizontal 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. s.
C) 8.0 × 104 N 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 horizontal 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. s.
D) 5.0 × 105 N 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 horizontal 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. s.
E) 6.0 × 105 N 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 horizontal 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. s.

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