Which has more PE an elephant 2 meters in the air or an elephant 10 meters in the air? Explain.

To which is the watt is equal? A. Joules/second B. Joules/coulomb C. Volts/second D. Amps/coulomb E. Volts/amps

considere que o calor específico de um material presente nas cinzas seja c=0,8j/gc. Supondo que esse material entre na turbina a 20c, a energia cedida a uma massa de m=5g do material para que ele atinja uma temperatura de 800c é igual a

The orientation of which of the following does not influence the phases of the moon? a. Earth c. Sun b. the moon d. Stars

A helium tank holds a volume of. 02 m^3 at a pressure of 15.5*10^6 Pa and a temperature of 293 K. How many spherical balloons with a radius of. 11 m can be filled with this much helium if the temperature remains constant? Answer unit is Balloons

The people in a location in Florida have reduced their water usage drastically since the last few months. People are taking shorter showers, turning off lawn sprinklers, and reusing water left over from cooking.

Compare the Lagrangian method with the Newton-Euler method in detail.

A plane is flying east at 135 m/s. The wind accelerates it at 2.18 m/s^2 directly northeast. After 18.0s, what is the magnitude of the displacement of the plane?

The same constant force, F, is applied to two blocks. The first block has a mass of M and the second block has a mass of 2M. Both blocks are initially at rest and the force acts on each of them for the same period of time, t.

Which of the following is an example of the strong nuclear force acting in an atom? A. A proton repelling a proton B. A neutron attracting a neutron C. A neutron repelling an electron D. An electron attracting a proton

Does the air in our atmosphere have mass?