5 marksFoundation
A student drops a ball of mass 0.20 kg from a height of 1.5 m.
Gravitational field strength = 9.8 N/kg.
.1Which energy store of the ball decreases as it falls?
[1 mark] .2Calculate the energy transferred from this store as the ball falls 1.5 m.
[2 marks] .3Assume all of this energy is transferred to the ball's kinetic store.
Calculate the speed of the ball just before it hits the ground.
[2 marks] 3 marksFoundation
A runner completes one lap of a 400 m track in 80 s.
.1Calculate the runner's average speed.
[2 marks] .2What is a typical walking speed?
[1 mark] 5 marksFoundation
The graph shows a wave on a rope at one instant.
036912151821242730−3−2−1123Distance in cmDisplacement in cm
.1Which of these is a longitudinal wave?
[1 mark] .2Use the graph to determine the amplitude of the wave.
[1 mark] .3Use the graph to determine the wavelength of the wave.
[1 mark] .4Describe the difference between a transverse wave and a longitudinal wave.
[2 marks] 4 marksFoundation
A motorbike accelerates from rest to 20 m/s in 8.0 s.
.1Calculate the acceleration of the motorbike.
[2 marks] .2Another bike accelerates at 4.0 m/s² for 3.0 s. Calculate its change in velocity.
[2 marks] 3 marksFoundation
An atom of sodium has an atomic number of 11 and a mass number of 23.
.1Give the number of protons in the sodium atom.
[1 mark] .2Calculate the number of neutrons in the sodium atom.
[1 mark] .3What is the overall charge of the nucleus of a sodium atom?
[1 mark] 