Question

A ball hangs from a string inside a rail road car moving along a straight track. The string is observed to be inclined towards the rear of the car making a constant small angle with the vertical. It shows that the car is
a. moving with an uniform acceleration
b. moving with an uniform velocity
c. moving with uniform retardation
d. moving with an acceleration which is increasing uniformly​

Answer 1

ANSWER

b. moving with an uniform velocity

Answer 2

Answer:

B . moving with uniform velocity

Explanation:

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