A 4.00 kg rock is rolling 10.0m/s find its kinetic energy

Why are sound waves in air characterized as longitudinal?

What is the resistivity of a wire that is made of copper versus one that is made of polystyrene and what does that resistance say about their conductivity?

A sample of gas in a 3.0 l container has a pressure of 4.0 atm. if this container is connected to a 5.

Light of intensity 2.00 W/m2 passes through the pupil of one of your eyes and eventually falls on your retina. The radius of the pupil is controlled by the iris. In a human eye, the radius of the pupil can vary from about 1.0 mm to about 3.5 mm.

When the blood flows through the capillary bed, most of the plasma will return to the heart through the venules. What happens to the plasma that does not travel to the venules? It is removed by the lymphatic vessels. It is lost as heat.

A minibus drives 212 km in 2 hours 10 minutes. What is its average speed in kilometers per hour?

What is the charge of plasma? A. Positive B. Negative C. Neutral

Examine the situation. Lloyd is studying the effect of breakfast cereal on the health of rats. He suspects that the cereal may be unhealthy. He feeds rats various amounts of breakfast cereal over a six-week period.

An electron travels into a 0.5 T magnetic field perpendicular to its path, where it moves in a circular arc of diameter 0.028 m. What is the kinetic energy of the electron?

What feels the strongest pull toward Earth and why? a box containing 10 baseballs or a box containing 15 baseballs?