40% - calculate Ek
1) A car that travels at a speed of 20m/s and has a mass of 1200 kg.
40% - calculate Ek
2) A year 11 pupil with a mass of 55kg swinging back on their chair and falling off it at a speed of 0.6m/s.
40% - calculate Ek
3) A runner with a mass of 62kg running at a speed of 0.8m/s.
40% - calculate Ek
4) A tennis ball travelling at a speed of 46m/s with a mass of 0.58kg.
40% - calculate Ek
5) A dog running across a field at a speed of 1.2m/s with a mass of 3.2kg.
50% - calculate v
1) Bus travelling through town, with a mass of 5040kg and kinetic energy of 493900J.
50% - calculate v
2) A lift travelling up to the top floor of the Empire State building with a mass of 4200kg and a kinetic energy of 4116J.
50% - calculate v
3) Bird flying towards its nest with a mass of 0.25kg and a kinetic energy of 40.5J.
50% - calculate v
4) A Wii remote flung from a hand through a TV, with a kinetic energy of 1.44J and a mass of 4.5kg.
50% - calculate v
5) Hot air balloon with a kinetic energy of 76550J and a mass of 1890kg.
60% - calculate m
1) Automatic door closing 0.2m/s, with a kinetic energy of 1.6J.
60% - calculate m
2) Wind turbine blade with a kinetic energy of 104040J, turning at 6m/s.
60% - calculate m
3) Aeroplane travelling at 75m/s with a kinetic energy of 843700J.
60% - calculate m
4) Canoe moving down the river with a kinetic energy of 5J and a speed of 0.5m/s.
60% - calculate m
5) Child riding a bike at a speed of 6m/s, with a total kinetic energy of 1224J. If the mass of the child is 30kg, what is the mass of the bike?