Home
Class 11
PHYSICS
A particle has an initial velocity ...

A particle has an initial velocity ` 3 hati + 4 hat j ` and an acceleration of ` 0 A hati + 0.3 hatj `. Its speed after 10 s is :

A

10 units

B

`7sqrt(2)` units

C

7 units

D

8.6 units

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A particle has an initial velocity of 3hat(i) + 4 hat(j) and an acceleration of 0.4 hat(i) + 0.3 hat(j) . Its speed after 10s is :

A particle has an initial velocity of 3hat(i) + 4 hat(j) and an acceleration of 0.4 hat(i) + 0.3 hat(j) . Its speed after 10s is :

A particle has an initial velocity of 4 hati +3 hatj and an acceleration of 0.4 hati + 0.3 hatj . Its speed after 10s is

A particle has initial velocity (3 hat i+ 4 hat j) and has acceleration (0.4 hat i+ 0.3 hat j) . Its speed after 10 s is.

A particle has an initial velocity 3hati+3hatj and acceleration of 0.41hati+0.3hatj . Its speed after 10s is

A particle has an initial velocity (6hati+8hatj) ms^(-1) and an acceleration of (0.8hati+0.6hatj)ms^(-2) . Its speed after 10s is

A particle has initial velocity of (3hat(i)+4hat(j)) m//s and a acceleration of (4hat(i)-3hat(j)) m//s^(2) . Its speed after one second will be equal to :-

A particle at origin (0,0) moving with initial velocity u = 5 m/s hatj and acceleration 10 hati + 4 hatj . After t time it reaches at position (20,y) then find t & y

A particular has initial velocity , v=3hati+4hatj and a constant force F=4hati-3hatj acts on it. The path of the particle is

A particle has initial velocity (2 vec(i)+3 vec(j)) and acceleration (0.3 vec (i)+0.2 vec (j)) . The magnitude of velocity after 10 seconds will be