Question

7. A car is moving on a straight road due north with a
uniform speed of 50 km h-1 when it turns leſ through
90°. If the speed remains unchanged after turning, the
change in the velocity of the car in the turning process is
(1) zero
(2) 50/7 km h-' in S-W direction
(3) 50v2 km h' in N-W direction
(4) 50 km h-i due west​

Answer 1

7. A car is moving on a straight road due north with a

uniform speed of 50 km h-1 when it turns leſ through

90°. If the speed remains unchanged after turning, the

change in the velocity of the car in the turning process is

(1) zero

(2) 50/7 km h-' in S-W direction

(3) 50v2 km h' in N-W direction

(4) 50 km h-i due west