Explanation:it is beause they are sharper and also have less surface area and therefore more pressure
Energy is transfered when its moved from one object to another. The rate of energy transfered is called power. Work is the transfer of energy from one object to another.
Answer:
the velocity is changing therefore the acceleration is changing too.
Explanation:
Answer:
Your displacement would be
s = 22.5 m
s=1/2(v+u)t
Answer:
5.5 to 7 Mohs
Explanation:
Glass ranks around 5.5 to 7 Mohs, but sapphire crystal has a hardness of 9 Mohs, making it only slightly less hard than diamond.
