Efficiency = useful energy out / total energy in x 100
= 100/400 x 100
=0.25 x 100
= 25%
25%
the answer is c) the speed and direction of travel must be constant
Answer:
The Taurus "bull" is home to 500 stars, six of which are visible to the naked eye.
Explanation:
Answer:
Newton's third law is: For every action, there is an equal and opposite reaction.
Explanation:
The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.
Answer:
because each row increases in atomic mass by a specific number, so anything over five is in the second row.