A tennis ball is hit over a net with a speed of 45ms^-1 and has a mass of 30g. Calculate the kinetic energy of tennis ball.
K=0.5mv^2 K=0.50.03*(45^2) K=30.4J
LM
Related Physics GCSE answers
All answers ▸What is the power dissipated by a 12 Ohm resistor when 2A of current run through it?
Explain the difference between a longitudinal and transverse wave.
Explain why an ice cube submerged in a drink melts faster than an ice cube on a kitchen surface (the drink, surface and room temperature are all equal). (3 marks)
Define Newton's three laws