Question

3. A car of mass 1000kg changes its velocity from 18km/h to 54km/h in 8 seconds. Find
the force exerted by the engine.
Please ans only if u know
Answer with complete steps please please
I will mark brainliest and also follow you,Pls help it's urgent ​

Answer 1

Given :-

• m = 1000kg
• u = 18km/h = 5m/s
• v = 54km/h = 15m/s
• t = 8 seconds

Solution :-

a = $\frac{v-u}{t}$ = $\frac{15-5}{8}$ = $\frac{5}{4}$ m/s²

Force = ma = 1000kg x $\frac{5}{4}$ m/s² = 1250 N