Answer:
F. 0J
Explanation:
At the objects highest point in the trajectory the KE = 0 since this trajectory is completely vertical with no x-component but its PE would be greatest at this point.
KE = (1/2)mv²
KE = 0; because velocity equals 0
PE = m*g*h
PE = 1kg*(9.81m/s^2)*10m
PE = 98.1J