Multiple Choice
A stationary 1.67-kg object is struck by a stick.The object experiences a horizontal force given by F = at - bt2,where t is the time in milliseconds from the instant the stick first contacts the object.If a = 1500 N/(ms) and b = 20 N/(ms) 2,what is the speed of the object just after it comes away from the stick at t = 2.74 ms?
A) 3.3 m/s
B) 22 m/s
C) 3.7 m/s
D) 25 m/s
Correct Answer:

Verified
Correct Answer:
Verified
Q38: A 2.00-kg object traveling east at 20.0
Q39: A baseball is thrown vertically upward and
Q40: There must be equal amounts of mass
Q41: A firecracker breaks up into several pieces,one
Q42: A plate falls vertically to the floor
Q44: You are standing on a skateboard,initially at
Q45: In the figure,four point masses are placed
Q46: A 1.2-kg spring-activated toy bomb slides on
Q47: Consider two less-than-desirable options.In the first you
Q48: On a frictionless horizontal table,two blocks (A