Answer:
Gravitational potential=mgh
=50×10×2.5
=1250J
option a
So that international people don't mistake units for others. ex 1 inch could be mistaken for 1 cm in non American countries
Answer:
D.
Explanation: multiply the total driving time by the total distance
1.97 E-7 m should be right. I took this a while ago.
Answer:
Explanation:
The formula for kinetic energy Ke=1/2mv^2 where Ke is kinetic energy, m=mass, and v= velocity.
If the kinetic energy is increased that means that there must be an increase in mass or velocity. However, since the velocity is squared that means that velocity affects the kinetic energy of the object more than the mass does.