Question

a racing car has a uniform acceleration of 4 meter per second. what distance will it cover in 10 second after start
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Answer 1

Answer:

Solution :

Here, acceleration, a=4ms−2, time taken, t=10s

initial velocity, u=0, distance, s=?

From s=ut+12at2, s=0×10+12×4(10)2= 200m

Answer 2

Given:

 Initial velcoity=u= 0 m/s

Time= t=10 sec

uniform acceleration=a=4m/s²

Distance =s=?

From second equation of motion:

S=ut+1/2at²

=0x10+1/2x4x[10]²

=2x100

=200m.

∴Distance it will cover in 10sec after start is 200m

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