Question

3. A bus is moving on a straight road towards north
with a uniform speed of 50 km/hour, then it turns left
through 90°. If the speed remains unchanged after
turning, the increase in the velocity of bus in the
turning process is
(a) 70.7 km/h along south-west direction
(b) zero
(c) 50 km/h along west
(d) 70.7 km/h along north-west direction​

Answer 1

Answer:

Explanation:

A bus is moving on a straight road towards north with a uniform speed of 50 km//hour turns through 90^(@). If the speed remains unchanged after turning, the increase in the velocity of bus in the turning process is. 70.7 km/hour along north-west direction.