A car accelerates uniformly from rest to a
speed of 21.5 km/h in 6.9 s.
Find the distance it travels during this time.
Answer in units of m
v= v₀ + at
v₀=0
a=v/t=21500/3600•6.9 =0.87 m/s²
s= at²/2 = 0.87•6.9²/2=20.6 m
speed of 21.5 km/h in 6.9 s.
Find the distance it travels during this time.
Answer in units of m
v₀=0
a=v/t=21500/3600•6.9 =0.87 m/s²
s= at²/2 = 0.87•6.9²/2=20.6 m