At t=0, a ball is thrown with an initial velocity of magnitude 15ms-1 at 75° to the horizontal (upwards). a) Calculate the magnitudes of the vertical and horizontal components of its initial velocity. b) Calculate the magnitude of the vertical component of velocity of the ball at t=0.5s. c) Calculate the magnitude of the vertical component of velocity of the ball at t=2.0s. d) Which way is the ball moving at this time? e)What is the magnitude of the horizontal component of velocity at t=2.0s?
At t=0, a ball is thrown with an initial velocity of magnitude 15ms-1 at 75° to the horizontal (upwards). a) Calculate the magnitudes of the vertical and horizontal components of its initial velocity. b) Calculate the magnitude of the vertical component of velocity of the ball at t=0.5s. c) Calculate the magnitude of the vertical component of velocity of the ball at t=2.0s. d) Which way is the ball moving at this time? e)What is the magnitude of the horizontal component of velocity at t=2.0s?
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.3P: If a projectile is fired from the origin of the coordinate system with an initial velocity υ0 and in...
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At t=0, a ball is thrown with an initial velocity of magnitude 15ms-1 at 75° to the horizontal (upwards).
a) |
Calculate the magnitudes of the vertical and horizontal components of its initial velocity. |
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|
b) |
Calculate the magnitude of the vertical component of velocity of the ball at t=0.5s. |
|
c) |
Calculate the magnitude of the vertical component of velocity of the ball at t=2.0s. |
|
|
d) Which way is the ball moving at this time? |
e)What is the magnitude of the horizontal component of velocity at t=2.0s? |
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