Question

Define acceleration. Write its SI unit. Express it mathematically.

A boy starting from rest moves with a constant acceleration of 5m/sec2. What is the velocity of

body after 10secs​

Answer 1

Answer:

Acceleration is the rate of change of velocity of an object with respect to time. • An object's acceleration is the net result of all forces acting on the object, as described by Newton's Second Law. • The SI unit for acceleration is metre per second squared (m s−²).

Step-by-step explanation:

Given data,

Acceleration a=5m/s 2

Time t=10m/s

The instantaneous speed define the speed of the body is continuously speed.

Acceleration(a)=

dtdv

instantaneous speed = a×Δt

=5×10

=50 m/s

Answer 2

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