Question

If a car is starting form rest and travels with 10 m/s and reaches destination in 20 minutes then ‘u’ of car is ___ m/s​

Answer 1

Explanation:

As the caris starting from rest,

The initial velocity, u = 0 m/s

I hope it helps you. If you have any doubts, then don't hesitate to ask .

Answer 2

Answer:

hey guys

here is your answer

Explanation:

ANSWER

Initial speed of the car is u.

Final speed of the car v=0

Let the retardation of the car be a.

Using v

2

−u

2

=2aS

Or 0−u

2

=2aS

⟹ S∝u

2

(for same a)

Given : S=40m u

′

=2u

∴

S

S

′

=

u

2

(u

′

)

2

=2

2

Or

40

S

′

=4

⟹ S

′

=160m

I hope this answer will help you