A minibus of mass 1,500 kg travelling at a constant velocity of 72 km/h collides head-on with a stationary car of mass 900 kg. The impact takes 2 seconds before the two move together at a constant velocity for 20 seconds. Calculate a) The common velocity b) The distance moved after the impact c) The impulsive force d) The change in kinetic energy

/in /by

A minibus of mass 1,500 kg travelling at a constant velocity of 72 km/h collides head-on with a stationary car of mass 900 kg.

The impact takes 2 seconds before the two move together at a constant velocity for 20 seconds.

Calculate

a) The common velocity

b) The distance moved after the impact

c) The impulsive force

d) The change in kinetic energy

You might also like
) Suggest a suitable doping material for n-type semi-conductor.
) What do you understand by the term doping?
What is the difference between intrinsic and extrinsic semi-conductors?
Holes are majority carriers in …
A body is uniformly accelerated from rest to a final velocityof 100m/s in 10 seconds. Calculate the distance covered.
The radius of the effort piston of a hydraulic lift is 1.4 cm while that of the load piston is 7.0 cm. This machine is used to raise a load of 120 kg at a constant velocity through a height of 2.5 cm. given that the machine is 80% efficient, calculate; a) The effort needed b) The energy wasted using the machine
A man uses an inclined plane to lift a 50 kg load through a vertical height of 4.0 m. the inclined plane makes an angle of 300 with the horizontal. If the efficiency of the inclined plane is 72%, calculate; a) The effort needed to move the load up the inclined plane at a constant velocity. b) The work done against friction in raising the load through the height of 4.0 m. (take g= 10 N/kg)
A fixed mass of gas occupies 1.0 × 10-3 m3 at a pressure of 75 cmHg. What volume does the gas occupy at 17.0 0C if its pressure is 72 cm of mercury?