What is the average speed of a train that covers 80 km in 1 h, 200 km in 2 h, and 420 km in 4 h?

A physics class conducting a research project on projectile motion constructs a device that can launch a cricket ball.

Alfred wegener was the one who made contiental drift theory?

A capacitor that is initially uncharged is connected in series with a resistor and an emf source with E = 120 V and negligible internal resistance. Just after the circuit is completed, the current through the resistor is 6.7*10-5 A.

Describe how glacial deposition occurs.

A cylindrical object can roll down an incline, as shown in Figure 1. The incline is slightly less than one meter in length. A group of students wants to determine the acceleration of the object while it is rolling down the incline.

The push of energy given to electrons in a circuit is known as what?

How many calories would you burn if you walked for 120 minutes at a pace of 3-mph?

What force oppose other forces and slow objects down?

What are used by organisms for long-term energy storage

What is the thermal energy of an object? the total kinetic energy of its particles the total potential energy of its particles its total temperature the total kinetic and potential energies of its particles