Question

an object at rest starts moving with uniform acceleration of 1ms-2

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Answer 1

Explanation:

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.

Answer 2

Explanation:

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.