Question

Q-1 A body moving with a speed of 5ms^1 is subjected to an acceleration of 20ms^2 Calculate the speed of the body after 10 seconds .

Answer 1

HEY!!

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▶Initial speed, u = 5m/s

▶Acceleration, a = 20m/s^2

▶Time taken, t  = 10s

✴Using equation of motion,

v = u + at

 = 205 m/s

✴For distance, you use either either of the equation of motion

✔s = ut + 1/2at^2 0r v^2 - u^2 = 2as

✔s = 5×10+1/2×20×100

so s=1050 meter (1km)approx

thanks.....

Answer 2

Answer:

v = 205m/s

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