A car is travelling with a constant speed of 5 m/s. suddenly superman comes and starts pushing from behind providing a constant acceleration of 5 m/ $s^{2}$ . Find the velocity of the car after 2 sec.

10 m/s

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25 m/s

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15 m/s

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35 m/s

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Solution

The correct option is C
15 m/s

u = 5 m/s

a = 5 m/ $s^{2}$ v = u + at

t = 2 sec v = 5 + 5 $\times$ 2 = 15 m/s

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A car is travelling with a constant speed of 5 m/s. suddenly superman comes and starts pushing from behind providing a constant acceleration of 5 m/ $s^{2}$ . Find the velocity of the car after 2 sec.

Q. A car starts with

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and accelerates with constant acceleration of

5 \frac{m}{s^{2}}

. Find the final speed achieved by the car after

10

sec.

Q. A car starts from rest and acceleration at

4 {m / s}^{2}

for

5 s

. After that it moves with constant velocity for

25 s

and then retards at

2 m / s^{2}

until it comes to rest. The total distance travelled by the car is

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A car is travelling with a constant speed of 5 m/s. suddenly superman comes and starts pushing from behind providing a constant acceleration of 5 m/s2. Find the velocity of the car after 2 sec.

The correct option is C 15 m/s u = 5 m/s a = 5 m/s2 v = u + at t = 2 sec v = 5 + 5 × 2 = 15 m/s

A car is travelling with a constant speed of 5 m/s. suddenly superman comes and starts pushing from behind providing a constant acceleration of 5 m/ $s^{2}$ . Find the velocity of the car after 2 sec.

The correct option is C
15 m/s

u = 5 m/s

a = 5 m/ $s^{2}$ v = u + at

t = 2 sec v = 5 + 5 $\times$ 2 = 15 m/s