Which of Earths layers is made up of liquid metal

Tim, with mass 53.5 kg, climbs a gymnasium rope a distance of 4.7 m. The acceleration of gravity is 9.8 m/s2. How much potential energy does Tim gain? Answer in units of J

Which of the following supplies the heat for the hot reservoir in a car's engine? mixing gasoline with air cooling the exhaust gases igniting the gas-air mixture venting the exhaust gases

A machine part is undergoing SHM with a frequency of 3.20 Hz and amplitude 1.80 cm. How long does it take the part to gofrom x=0 to x = - 1.80 cm?

Which of the following will happen when the force with which an object pushes down on the ground is equal and opposite to the force with which the ground pushes it up?

The planets stay in orbit due to A. kinetics B. friction C. gravity D. mass

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?