Question

please solve this question​ no.2 find acceleration of the car

Answer 1

Answer:

Explanation:

(1)STARTING FROM REST INDICATES;

INITIAL VELOCITY , U = 0 M/S

FINAL VELOCITY , V = 20 M/S

TIME TAKEN , T = 10 SEC

ACCELERATION, A = ?

ACCORDING TO NEWTON'S LAWS OF MOTIO

V = U+A*T

20 = 0+A*10

A = 20/10

A = 2 M/S²

(2) INITIAL VELOCITY ,U = 20 M/S

FINALLY COMES TO REST:

FINAL VELOCITY , V = 0 M/S

TIME TAKEN , T = 5 SE C

ACCELERATION = ?

ACCORDING TO NEWTON'S LAWS OF MOTION;

V = U+A*T

0 = 20+A*5

5*A = - 20

A =  - 4 M/S²

RETARDING ACCELERATION = 4 M/S²

HOPE THIS HELPS.

Answer 2

Answer:

-4 m/s squared

Explanation:

just put values of u, v, t in equation v=u+at, you'll get a.

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