contestada

a car is running with the velocity of 72km h.What will be its velocity after 5m/s.If its accleration is -2m/s²

Respuesta :

Answer: 30 m/s

Solution:
aliishaa1020

Answer:

30 m/s

Explanation:

Given: initial velocity( vo ) = 72 km/hr (20 m/s) with an acceleration(a) of 2 m/s 2 and with a time of 5 sec.

Find: >>>Finial velocity( vf ) ?

Use this kinematic equation: vf=vo+(a⋅t)

vf=20+(5⋅2)

vf=30m/s