A bowling ball of mass 7.5 kg travelling at 10 m sec-rolls off a horizontal table 1 m high. (Assume the acceleration due to gravity is 10 m sec-?, and the effects of air resistance may be ignored unless otherwise stated.) a Calculate the ball's horizontal velocity just as it strikes the floor. b What is the vertical velocity of the ball as it strikes the floor? c Calculate the velocity of the ball as it reaches the floor. d What time interval has elapsed between the ball leaving the table and striking the floor? e Calculate the horizontal distance travelled by the ball as it falls.

A bowling ball of mass 7.5 kg travelling at 10 m sec-rolls off a horizontal table 1 m high. (Assume the acceleration due to gravity is 10 m sec-?, and the effects of air resistance may be ignored unless otherwise stated.) a Calculate the ball's horizontal velocity just as it strikes the floor. b What is the vertical velocity of the ball as it strikes the floor? c Calculate the velocity of the ball as it reaches the floor. d What time interval has elapsed between the ball leaving the table and striking the floor? e Calculate the horizontal distance travelled by the ball as it falls.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

9- A bowling ball of mass 7.5 kg travelling at 10 m sec-irolls off a
horizontal table 1 m high. (Assume the acceleration due to gravity is
10 m sec-2, and the effects of air resistance may be ignored unless
otherwise stated.)
a Calculate the ball's horizontal velocity just as it strikes the floor.
b What is the vertical velocity of the ball as it strikes the floor?
c Calculate the velocity of the ball as it reaches the floor.
d What time interval has elapsed between the ball leaving the table
and striking the floor?
e Calculate the horizontal distance travelled by the ball as it falls.

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