Answer:
Part a)

Part b)
T = 4.68 s
Explanation:
Part a)
Shell is fired at speed of 40 m/s at angle of 35 degree
so here we have


since gravity act opposite to vertical speed of the shell so at the highest point of its trajectory the vertical component of the speed will become zero
so at the highest point the speed is given

Part b)
After completing the motion we know that the displacement of the object will be zero in Y direction
so we have




Answer:
it is a force
Explanation:
a force is a push or a pull
<span>On the y-axis (the bottom of the table) hope this helps</span>
The answer is B.
Temperature is just another term for the average kinetic energy of a substance.