A ball moves and its motion is represented by following equation: x=30+ 40t+ 60t^2+40t^3 a) Find the expression and express the acceleration and velocity of the ball. b) At what time its velocity equals 10m/s?
A ball moves and its motion is represented by following equation: x=30+ 40t+ 60t^2+40t^3 a) Find the expression and express the acceleration and velocity of the ball. b) At what time its velocity equals 10m/s?
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 28P: A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km....
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A ball moves and its motion is represented by following equation:
x=30+ 40t+ 60t^2+40t^3
a) Find the expression and express the acceleration and velocity of the ball.
b) At what time its velocity equals 10m/s? and at that time what it is acceleration.
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