Question

A bus was moving with velocity of 72km/hr it after 10seconds its acceleration became 1.5m/s2.Calculate its final velocity​

Answer 1

Answer:

• 72km/hr × 5/18 = 20m/s

_______✨

Given :

u = 20m/s

a = 1.5m/s^2

t = 10s

v = ?

formula : v = u + at

solution :

v = 20m/s + 1/2 * 1.5m/s^2 * 10s

v = 20m/s + 1/2 * 15m/s

v = 20m/s + 7.5m/s

v = 27.5m/s

___ final velocity = 27.5m/s

Answer 2

Answer:

u= 72 km/h

$u \: = \: 72 \times \frac{5}{18}$

u= 20 m/s

t= 10 sec

a= 1.5m/s²

v= u + at

v = 20 + 1.5 × 10

v = 20 + 15

v = 35 m/s

Step-by-step explanation:

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