Calculate the average speed of a runner who travels 400 m in 50 s.
22 marks
Calculate the kinetic energy of a 1200 kg object moving at 15 m/s.
32 marks
Calculate the speed of a wave with frequency 50 Hz and wavelength 6.8 m.
44 marks
Compare alpha, beta and gamma radiation.
52 marks
Calculate the average speed of a runner who travels 3000 m in 600 s.
62 marks
Calculate the kinetic energy of a 0.16 kg object moving at 30 m/s.
72 marks
Calculate the speed of a wave with frequency 4 × 10¹⁴ Hz and wavelength 7.5 × 10⁻⁷ m.
82 marks
A sample has an activity of 800 Bq. Calculate its activity after 3 half-lives.
92 marks
A car changes speed from 0 m/s to 24 m/s in 8 s. Calculate its acceleration.
102 marks
Calculate the kinetic energy of a 75 kg object moving at 8 m/s.
113 marks
Compare transverse and longitudinal waves, with an example of each.
122 marks
A sample has an activity of 6400 Bq. Calculate its activity after 4 half-lives.
132 marks
A car changes speed from 30 m/s to 10 m/s in 5 s. Calculate its acceleration.
142 marks
Calculate the gain in gravitational potential energy when a 60 kg object is lifted 12 m. (g = 9.8 N/kg)
156 marks
Describe how to measure the speed of water waves in a ripple tank.
163 marks
Complete the decay equation for uranium-238 decaying by alpha emission to thorium (Th).
173 marks
An object starts at 0 m/s and accelerates at 2.5 m/s² over 80 m. Calculate its final speed.
182 marks
Calculate the gain in gravitational potential energy when a 2.5 kg object is lifted 4.2 m. (g = 9.8 N/kg)
193 marks
Explain why light refracts when it enters glass from air.
203 marks
Explain the difference between contamination and irradiation.
213 marks
An object starts at 12 m/s and accelerates at 1.5 m/s² over 50 m. Calculate its final speed.
222 marks
A motor transfers 450 J of useful energy for every 600 J supplied. Calculate its efficiency.
234 marks
Give one use and one hazard of each of: ultraviolet and X-rays.
Finished?
Answer every question to finish (23 left), or finish when the time’s up.
Score 0 / 60 · 0 of 23 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.