car 1 moves in the positive x-direction at 50mph, and car 2 moves in the positive x-direction at 70mph (both measured with respect to the ground). Imagine now that car 2 (originally moving at 70mph) starts to accelerate forward at t=0 at a rate of 1 mph per second (1 mph/s). What is car 2's velocity wrt the ground at t=1s?
car 1 moves in the positive x-direction at 50mph, and car 2 moves in the positive x-direction at 70mph (both measured with respect to the ground). Imagine now that car 2 (originally moving at 70mph) starts to accelerate forward at t=0 at a rate of 1 mph per second (1 mph/s). What is car 2's velocity wrt the ground at t=1s?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 4.6CYU: Check Your Understanding A boat heads north in still water at 4.5m/s directly across a river that is...
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car 1 moves in the positive x-direction at 50mph, and car 2 moves in the positive x-direction at 70mph (both measured with respect to the ground).
Imagine now that car 2 (originally moving at 70mph) starts to accelerate forward at t=0 at a rate of 1 mph per second (1 mph/s).
What is car 2's velocity wrt the ground at t=1s?
Expert Solution
Step 1
Given data:
- Velocity of car 2 is u=70 mph.
- Acceleration of car 2 is a=1 mph/s.
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