WP6-Find time using physics formula
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Part of video series
Lesson Description:
This is a Word Problem you solve by writing an equation and factoring.
Word Problem 6 - Physics ball falling application-Use the formula given to do this problem. A ball is thrown on a hard surface and bounces straight up. The initial velocity of the rebound is 64 feet per second. How many seconds later will the ball hit the ground?
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How can you use the formula h = vt - 16t^2 to solve a Physics / math word problem?
- If a ball is thrown on a hard surface and bounces straight up, and the initial velocity of the rebound is 64 ft/s, how many seconds later will the ball hit the ground?
- How do you solve Physics word problems that use quadratic equations?
- How do you write a quadratic equation for a Physics word problem?
- How do you solve the equation 0 = 64t - 16t^2?
- How do you know when you can eliminate an answer that does not make sense in a word problem?
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Staff Review
This problem shows the connection between math and Physics. The equation h = vt - 16t^2 is used to create and solve a quadratic equation for the situation of a bouncing ball. This tutorial is great for showing how to solve a basic Physics problem.
