Question

A particle moving with uniform acceleration along x -axis is at x1=10m and x2=20m at t=6s and t=10s respectively.If its velocity att =6s is 0.5ms^(-1) its acceleration is​

Answer 1

Explanation:

❀ʀᴇǫᴜɪʀᴇᴅ ᴀɴsᴡᴇʀ

❀ Solution :-

➥ s

n

distance travelled in n sec-distance travelled in (n-1) sec

s

n

=(u

1

n+

2

1

an

2

)−(u

1

(n−1)+

2

1

a(n−1)

2

)

=u

1

+

2

1

a(n

2

−(n−1)

2

)

=u

1

+

2

a

(+2n−1)

=u

1

+an−

2

a

Comparing with: s

n

=0.4n+9.8

a=0.4,u

1

−

2

0.4

=9.8

u

1

−

2

0.4

=9.8

u

1

=10 m/s

Answer 2

Acceleration is 10 metre per second