Question

. If a vehicle is travelling at 110 kph, what distance does the vehicle travel during the driver's reaction time? 2. If a vehicle is travelling at 110 kph, what is the total distance travelled before the vehicle stops? 3. If a vehicle is travelling at 110 kph, how long does it take to stop the vehicle completely? 4. If a vehicle is travelling at 110 kph, what is the distance travelled while the brakes are being applied?

HURRAY!!!​

Answer 1

Answer:

We know,

v

2

−u

2

=2as

Given,

s=20m,v=1,u=4

a=

40

−15

=

8

−3

F=ma=

8

−60

=−7.5N

Magnitude=7.5N