Calculate the kinetic energy of a proton moving at 95% of the speed of light. (c = 3x10^8 m/s, m_p = 1.67x10^-27 kg) [4 marks]

KE = 0.5mv[1] v = 3x10* 0.95 = 2.85x10[1] KE = 0.5 * 1.67x10-27 * (2.85x108)2  [1] KE = 6.782 x10-11 J [1]

TF

Related Physics A Level answers

All answers ▸

A hot air balloon is travelling at a speed of 5.0m/s at an angle of 60.0 degrees up from the horizontal. Find the vertical and horizontal components.


Explain what happens in terms of current induced as a magnet enters a solenoid in a closed circuit, and as it leaves.


How can I measure the orbital period of a satellite around Earth?


Why does an ice skater spin faster when they hold in their arms?