Difficult to tackle a heavier player travelling at the same speed?
because their body mass.
is
mere
the stick. in terms of kinetic energy and work
b) a hockey player traps a fast ball with deft use of the stick. in terms of ki
done, why is it more difficult to stop a faster ball that is otherwise identical
because the veloci
c) a car of mass 800 kg is travelling at 30 m/s (almost im
elling at 30 m/s (almost 70 mph). the car then brakes suddenly
and stops with a braking distance of 75 m. find:
i) the initial kinetic energy of the car 360oo gu bolo 360o
ii) the final kinetic energy of the car 300oooj
iii) the change in kinetic energy of the car 330,00oj
iv) the work done on the car by the brakes
v) the braking force on the car.