App Logo

No.1 PSC Learning App

1M+ Downloads
The motion of a moving car is given bythe equation a =t³ + 3t² + 5 where 'a' is the acceleration in m/sec and t is the time in seconds. The velocity of the car after 2 seconds will be:

A4 m/sec

B8 m/sec

C2 m/sec

D22 m/sec

Answer:

D. 22 m/sec


Related Questions:

What are the minerals, responsible for large volume decrease in soil on drying in clayey soils?
The presence of reflector in nuclear power plants results in
The line joining the centre of the eyepiece and the optical centre of objective is called
The sand stone is

Compared to mild steel cast iron has 

1. High compressive strength 

2. High tensile strength 

3. Low compressive strength  

4. Low tensile strength