Answer:
The answer is choice A.
Explanation:
Assuming you are in a situation with a gravitational field. You can divide the motion of the bullet into two components. One horizontal and the other in the vertical.
Light will travel more slowly in a material with a higher index of refraction
Answer:
C. The lower legs are levers, and the knees are fulcrums. The ankles hold the loads.
Explanation:
Answer:
Explanation:
Given
mass of box=60 kg
distance=7.9 m

Force is parallel to displacement
coefficient of kinetic energy 
Work done by Force



Work done by Friction force



negative sign indicates that force is opposite to displacement
Work due to Weight and Normal reaction is zero as the force is perpendicular to Displacement