Answer:
It’s 18.0 m/s
Explanation:
Use acceleration formula then plug in 9.8 and 1.84s
Answer:
a. one-fourth its original value.
Explanation:
Sound is threated as a spherical wave. The intensity of the sound is inversely proportional to the area of the wavefront (). Therefore, it is inversely proportional to the square of the distance (r) to the sound source. So, if you double your distance, the intensity of the sound reduces to one-fourth its original value.
Answer:
See below.
Explanation:
The difference between these two is that a wave is a disturbance of some quantity in space or intermediate while a particle has a definite mass concentrated on a small area.
Answer:
255.61 m
Explanation:
Use in downwards direction from the moment of flight till the car hits the bottom.
As the car fly off the cliff the velocity of the car in vertical direction will be zero.