Answer to Question #339 in Mechanics | Relativity for Sakshi Chawla

Mechanics | Relativity

Question #339

A body moving along a straight line at 20m/s undergoes an acceleration of 4m/s2. Find its speed after 2 seconds.

Expert's answer

The speed is v=v0+a*t=20+4*2=28m/s.

Learn more about our help with Assignments: Mechanics Relativity

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A ball is dropped from a height of 100m at the same time another ball is thrown verticaly upwards wi
2. According to third law of motion we say that "action and reaction are equal in magnitude but op
3. A box with mass M slides down a ramp with friction coefficient u at a constant velocity. What is the
4. I do not understand waves fully. Can you explain?
5. A man, though slowly, can bring a heavy barge on the water into motion, if he pulls by the rope tied
6. To take a swing with a sitting person at a large angle, it is necessary to exert considerable force.
7. Can a resultant of three equal magnitude forces applied at one point equal zero?