Compare functions of the telescope and the microscope

A tennis ball is moving at a velocity of + 54 m/s before a tennis player returns it with a velocity of - 58 m/s. If the ball was in contact with her racket for 0.

A copper wire has a length of 1.50 m and a cross sectional area of 0.380 mm2. If the resistivity of copper is 1.70 ✕ 10-8 Ω · m and a potential difference of 0.700 V is maintained across its length, determine the current in the wire (in A).

In which state (s) does water have a definite mass volume and shape

A frog hops at 2.45 m/s a distance of 2.11 m. How long does it take?

Find the angle (above the horizontal) at which a projectile achieves its maximum range, if y=y0.

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?