Correct answer choice is:
D. A frequency higher than the original frequency.
Explanation:
This is a true case of Doppler's effect. The Doppler effect can be defined as the effect originated by a traveling source of waves in which there is a visible higher variation in pulse for observers towards what the source is progressing and a visible descending shift in rate for observers from what the source is dropping.
Answer:
Explanation:
Momentum is the mass of a moving body times its velocity. It can be transferred from one object to another
B nitrogen stays in order so it can't change movement
Are both intertwined. exercise and you will feel brand new!!!
Answer:
2.72*10-3 Joules
Explanation:
From Newton's second law of motion
F=ma

given


the angular velocity is


