Physics help mechanics

Physics
Tutor: None Selected Time limit: 1 Day

a 1200kg car accellerates from 0 to 100 km/hr in 5.8 .

a. calculate the average acceleration in meters per second squared of the car

b. calculate the average force in newtons exerted by the car

Oct 27th, 2014

u =0

v = 100 km/hour = 100*1000/3600 m/s = 27.7778 m/s

a = (v-u)/t = 27.7778/5.8 = 4.789 m/s^2

Force = ma = 1200 kg * 4.789 m/s^2= 5747.13 Kg m/s^2 =5747.13 N

Oct 27th, 2014

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