An astronaut has a mass of 70 kilograms on earth. What her mass be on Mars? What would her weight be on Mars? The value of gravity (g) on Mars is 3.7 m/s squared

State a source of direct current

If one were driving a car with a velocity of - 30 km/h, that would mean that: they were driving at 30 km/h but in the reverse gear they were driving to the west or south (a predetermined negative) they were traveling back in time velocity cannot be

Two powerboats are about to cross paths. what should the boat on the starboard (right do?

Water evaporates off lakes. Winds blow across the planet. Where does the energy come from for these and other weather processes? A. Heat from the Earth's core. B. Solar energy. C. Cold currents in the ocean. D. Rising cool air creating a cold front.

In the photoelectric effect, it is found that incident photons with energy 5.00ev will produce electrons with a maximum kinetic energy 3.00ev. What is the threshold frequency of this material?

When is there zero net force on an object?

The bending of light when it travels from one material to another is called deflection refraction reflection correction

Seismic waves are divided into what two types

What is a volumetric flask

What will happen if you rub two different materials together?