Speed is the rate at which something covers a distance; velocity is the same but it takes into account whether it goes forwards or backwards; and acceleration is the rate of an increase in speed.
Here’s my work to your question. I used Newton’s Second Law and a kinematics equation to arrive at the answer.
The correct answer is c because B) is a vector which includes both velocity and direction
Answer:
H = 109.2 TJ.
Explanation:
Please see the attachment below.