Question

a car of mass 1000kg produces a force of 500 N over a distance of 49 m .if initially the car is at rest find I) final velocity ii) time in which car accelerates​

Answer 1

Answer:

M= 1000KG

F=500N

S (or distance) =49M

U(or initial velocity) =0 m/s

i) FINAL VELOCITY=

a(or acceleration)= F/M

500/1000 m/s²=1/2m/s²

v²-u²=2as

v²=u²+2as

v²=0+2×1/2×49

v=7m/s

first answer completed.

ii) time taken

v=u+at

t= v-u/a

t=7/1/2 second

=14s

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