Author Question: A certain test car can go from rest to 32.0 m/s in 3.88 s. The same car can come to a full stop from ... (Read 61 times)

APUS57 · **on:** Jul 29, 2018

A certain test car can go from rest to 32.0 m/s in 3.88 s. The same car can come to a full stop from that speed in 4.14 s. What is the ratio of the magnitude of the starting acceleration to the stopping acceleration?

A) 0.937
B) 1.07
C) 0.878
D) 1.14

Question 2

The mass of Pluto is 1.31 1022 kg and its radius is 1.15 106 m. What is the acceleration of a freely-falling object at the surface of Pluto if it has no atmosphere? (G = 6.67 10-11 N m2/kg2)

A) 0.661 m/s2
B) 9.81 m/s2
C) 1.62 m/s2
D) 3.72 m/s2
E) 0.140 m/s2