Answer:
C.
Measure the wear on his treads before and after riding a certain number of laps.
Answer: 0j
Explanation:
At that point potential energy is zero and kinetic energy is maximum.. P. E=mgh=0
B) The velocity of a car reduced from 50 km/h to 35 km/h over one minute. <span>B) The velocity of a car reduced from 50 km/h to 35 km/h over one minute. </span>
Since an alpha particle has 2 protons and no negative particles (electrons) to balance the net charge, its charge is
Q=2(1.6e-19)=3.2e-19C.
The force on a charged particle is F=QE so
(3.2e-19C)(600N/C)=1.92e-16N