Question

A car aquires a velocity of 72 km / h in 10 sec from rest .Find (a) acceleration,(b) the average velocity and (c) the distance travelled in this time​

Answer 1

Answer:

The answer is explained below

Explanation:

(a) First change the velocity in m/s

$72 \times 1000 \div 3600 = 20$

$a = \frac{change \: in \: velocity}{total \: time}$

a= 20-0/10

a= 2m/s²

(b) v= 20+0/2

V= 10 m/s

(c) S= vt

S= 10×10

S= 100m

Answer 2

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