Question

guys plss help I want all 3 ans plsssss​

Answer 1

Answer:

1.) d

2.) 12 seconds

3.) d

Answer 2

Answer:

1) (c) shows uniform motion. (a) shows non-uniform motion with increasing speed and (b) shows non-uniform motion with decreasing speed. (d) shows that the object is at rest, because the distance is same but the time is increasing.

2) (a) Number of oscillations = 48

Time = 4 minutes = (4×60) seconds = 240 seconds

Time period = 240/48 = 5 seconds

3) (d) Speed of B is greater than that of A, D and C.