Question

An object starts its motion with rest . It has acceleration 5m/s ² .Calculate. 1. velocity after 5 sec. 2.displacement in 5 sec 3.average velocity in first five seconds 4.displacement in fifth second.​

Answer 1

Answer:

Initial velocity u=0 acceleration a=1ms

−2

Time interval t = 4 seconds

Distance travelled =s=ut+

2

1

at

2

s=0×4+

2

1

×1×4

2

=0+

2

1

×1×16

=8m.

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