An object is dropped from a tower, 171 ft above the ground. The object's height above ground t sec into the fall is s=171-16t2². a. What is the object's velocity, speed, and acceleration at time t? b. About how long does it take the object to hit the ground? c. What is the object's velocity at the moment of impact? The object's velocity at time t is The object's speed at time t is The object's acceleration at time t is ft/sec² (Simplify your answer.) ft/sec. It takes sec for the object to hit the ground. (Round to the nearest tenth.) The object's velocity at the moment of impact is (Round to the nearest tenth.) ft/sec. ROCCRE

An object is dropped from a tower, 171 ft above the ground. The object's height above ground t sec into the fall is s=171-16t2². a. What is the object's velocity, speed, and acceleration at time t? b. About how long does it take the object to hit the ground? c. What is the object's velocity at the moment of impact? The object's velocity at time t is The object's speed at time t is The object's acceleration at time t is ft/sec² (Simplify your answer.) ft/sec. It takes sec for the object to hit the ground. (Round to the nearest tenth.) The object's velocity at the moment of impact is (Round to the nearest tenth.) ft/sec. ROCCRE

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Description: An object is dropped from a tower, 171 ft above the ground. The object's height above ground t sec into the fall is s=171-16t2².a. What is the object's velocity, speed, and acceleration at time t?b. About how long does it take the object to hit the

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 64P: An express train passes through a station. It enters with an initial velocity of 22.0 m/s and...

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