Answer:
Explanation:
Let consider a car travelling at a speed 
. The ratio of final kinetic energy to initial kinetic energy:
The final speed is:
Answer:
attracted
Explanation:
opposite charges attract each other when the rub against each other
If the box is moving at constant velocity, net force must be zero, so:
F + fr = 0
fr = -F
<u>fr = -40 N</u>
Answer: <em> a). Grip</em>
The grip is the important thing to be consider for golfer. It is the most fundamental important aspects to the game, because it provides the solid contact.
Applying the correct grip, results in better golf shots and an increased confidence to the golfer, to address the ball in the right direction.
Simply the grip is the pressure applied to the club with the hand such that the golfer feels comfortable to make a brilliant shot.
