How did you measure viscosity in the lab?

5. A certain spring that obeys Hooke's Law stretches 30 cm when a load of 0.35 N is added to it. How much energy is stored in the spring when it is compressed 5.0 cm?

What determines all the star's properties such as its temperature, size, brightness and life span? a. Weight b. Mass c. Diameter d. Luminosity

What causes a falling skydiver to slow down after the parachute opens?

What are physical forms in which a substance can exist?

Pairs of magnets are shown in the diagram. Bar magnets lined up vertically side by side in pairs. The first pair is labeled W with the north pole beside the south pole of the second.

The outer planets are small, rocky planets with iron cores. True or False

A car is traveling 15m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. what is it's acceleration?

Una pelota de béisbol es arrojada verticalmente hacia arriba desde la azotea de un edificio con una velocidad de 20m/s.

Suppose you had one circuit with a 9V battery connected to two 100 ohm light bulbs in series. and a second circuit with a 9V battery connected to two 100 ohm light bulbs in parallel.

Which mechanical waves needs a medium to travel through?