Question

A particle starts with a velocity of 5 m/s and moves with a uniform acceleration of $m/s^-{2}$

1) Its velocity after 4s is _____.
A) 10 m/s
B) 15 m/s
C) 20 m/s
D) 25 m/s

2) Distance travelled in 4s is _____.
A) 20m
B) 30m
C) 40m
D) 35m

3) Distance travelled by a 4th second is _____.
A) 13.75m
B) 12.5m
C) 13m
D) None

Answer 1

Answer:

What is the acceleration?