ufl.instructure.com | Exam 1: PHY2053: Physics 1, Fall 2017, (1) Study Edge on F

Question

ufl.instructure.com | Exam 1: PHY2053: Physics 1, Fall 2017, (1) Study Edge on Facebook Quiz: AG-Prelab Chegg Study Guided Solutions UF FLORIDA Account Question 9 0.5 pts Dashboard An acceleration in the positive direction always means that a moving object is speeding up. Courses True 28 Groups False Calendar DQuestion 10 0.5 pts Inbox Two carts are traveling at the same speed in the same direction. The first cart's speed doubles in a specified time. The second cart's speed triples in the same time. The magnitude of the average acceleration of the first cart is greater than the magnitude of the average acceleration of the second cart. Help O True O False

Explanation / Answer

Q9. False,

if the initial velocity and acceleration are in opposite direction, then the object can have positive acceleration with decreasing speed.

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