Question 15
Patrick released a toy car from the top of a ramp as shown below.
When Patrick released the toy car from A, the toy car travelled down a rough
surface and hit the gong with a resounding clash. Which of the following
changes would cause the sound from the gong to decrease?
(1) Release the toy car from C instead of A
(2) Use a toy car with a greater mass
(3) Increase the distance from D to E
(4) Use a ramp with a rougher surface
A. (1) (2) and (3) only
B. (1) (2) and (4) only
C. (1) (3) and (4) only
D. (2) (3) and (4) only
When Patrick released the toy car from A, the toy car travelled down a rough
surface and hit the gong with a resounding clash. Which of the following
changes would cause the sound from the gong to decrease?
(1) Release the toy car from C instead of A
(2) Use a toy car with a greater mass
(3) Increase the distance from D to E
(4) Use a ramp with a rougher surface
A. (1) (2) and (3) only
B. (1) (2) and (4) only
C. (1) (3) and (4) only
D. (2) (3) and (4) only