Answer:
I think the right answer is option B.
Ill give you 7-12. 7.f 8.e 9. b 10.c 11.d 12. a
The wave length becomes shorter and the pitch becomes higher
Explanation:
If the displacement of an object is proportional to the square of the time taken then the body is moving with uniformly accelerated motion as it will follow Newton's second equation of motion for a particular initial velocity, which can be given by, s=ut+21at2.
hope this is helpful to you
Answer:
The answer is B. It is the one that has the triangle pointing up on the topside of the rope and seems to be a bit bigger than the other triangles.
Explanation:
