20 m/s
2 J
A proton (mass m = 1.67 10-27 kg) is being accelerated along a straight line at 2.1 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 4.2 cm.
(a) What is its speed?
1 . m/s
(b) What is the increase in its kinetic energy?
2 . J
1 answer
1 answer