Questions With A+ Answers
A frog leaps vertically into the air and encounters no appreciable air
resistance. Which statement about the frog's motion is correct?
A) On the way up its acceleration is 9.8 m/s^2 directed upwards,
and on the way down its acceleration is 9.8m/s^2 directed
upwards.
B) On the way up and the way down its acceleration is 9.8 m/s^2
directed downwards, and at the highest point its acceleration is
zero.
C) On the way up, on the way down, and at the highest point its
acceleration is 9.8 m/s^2 directed downwards.
D) At the highest point of the motion it reverses the direction of its
acceleration.
E) We do not have enough information to know. -
correct answer ✅C) On the way up, on the way down, and at the
highest point its acceleration is 9.8 m/s^2 directed downwards.
A car traveling at a velocity v takes a distance d to stop after the
brakes are applied. What is the stopping distance if the car initially
travels at a velocity 2v? Assume that the acceleration due to
braking is the same in both cases.
A) 2d
B) 4d
, Auburn Physics Final Common Exam
Questions With A+ Answers
C) 0.5d
D) 0.25d
E) d -
correct answer ✅B) 4d
A person gives a box a shove so that it slides up a ramp, then
reverses its motion and slides down. The direction of the force of
friction is
A) Always down the ramp.
B) Up the ramp and then down the ramp.
C) Always up the ramp.
D) Down the ramp and then up the ramp.
E) Perpendicular to the slope at all times. -
correct answer ✅D) Down the ramp and then up the ramp.
A small sports car collides head on with a massive truck. Which
vehicle experiences the greater impact force?
A) The car.
B) The truck.
C) They both experience a force which has the same magnitude.