A 950 kg car accelerates from 0 to 33 m/s in 11 seconds. a) Calculate the acceleration of the car b) Calculate the force needed to produce this acceleration c) The car claims a top speed of 110 miles/hr. Explain why there must be a top speed for any car
a) a=v-u/t
= 33/1 = 3
b) F = ma
= 950x3 = 2850
c) Friction and air resistance increases with speed, till frictional = max forward force, then force/acceleration is zero
RB
Related Physics GCSE answers
All answers ▸Explain the difference between a battery and a cell
What energy transfers are involved in you being able to move?
Describe the forces acting on an object on earth falling through the air, and how they change from when the object is first released into the air leading to terminal velocity.
What is a convection current?