Question

An object of mass m is moving along x-axis such that its position x is proportional to t½ where t is time, then magnitude of its acceleration is​

Answer 1

Answer:

Explanation:An object of mass m is moving along x-axis such that its position x is proportional to t½ where t is time, then magnitude of its acceleration is​.

Answer 2

-5 m/s

2

average acceleration a=

t

v

2

−v

1

eq(1)..

intial velocity is the slop of the graph in between the 0 to 2sec

v

1

=

2

40

=20ms

−1

final velocity os the slop of the graph in between the 6-8sec

v

2

=−

2

40

=−20ms

−1

total time is 8sec.

put v_{1}and v_{2} in eq(1)

a=

8

−20−20

=

8

−40

=−5ms

−2