Question

A car attains a velocity of 36kmh-1 after accelerating uniformly from the rest in 5 second. Find the distance travelled by a car.

Answer 1

Danielochich Samaritan

We can calculate this question using the kinematic equations (SUVAT equations):

⇒Since in this question we have the initial velocity, from rest(u = 0 km/hr) and final velocity(v = 36km/hr) and time of 5 seconds, we will use the following kinematic equation:

S = 1/2 ( u + v) t  

where S is the distance( displacement), u is the initial velocity ( 0 km/hr), v is the final velocity(36km/hr) and t is time taken(5 secs).

convert 36km/hr to m/s  ⇒ 36km/hr × 10/36  = 10m/s

S = 1/2 ( 0 + 10) 5

S = 1/2 × 10 × 5

S = 5 × 5

S = 25 meters

Therefore the distance traveled by this car is 25 meters.