Calculate the average speed (in km/hr) of Charlie whonruns to the store 4 km away in 30 minutes

Some fish have a density slightly less than that of water and must exert a force (swim) to stay submerged. what force (in n) must a 53.0 kg grouper exert to stay submerged in salt water if its body density is 1013 kg/m3?

When you gain weight, what happens to your mass and to gravity?

How much heat is needed to raise the temperature of 1 kg of iron from 25 degree to 30 degrees?

Mars, which has a radius of 3.4 * 106 m and a mass of 6.4 * 1023 kg, orbits the Sun, which has a mass of 2.0 * 1030 kg at a distance of 2.3 * 1011 m. Which is greater, the tangential speed of Mars's rotation or revolution?

A hair dryer is a pump for air. Do a battery and a Genecon act like pumps for charge? Yes No

To obtain a learner's license, you must be at least years old.

Whats the role of the suns gravity in the solar system

What is the definition for chemical change

What is the asthenosphere made out of? a. Solid Rock b. Liquid Rock c. Liquid Iron d. Solid Iron

An atom of nitrogen has five valence electrons. How could a nitrogen atom become more chemically stable