The energy released by burning of 1 litre petrol is?

A 2.9 kg lump of aluminum is heated to 92 C and then dropped into 11.0 kg of water at 5.2 C. Assuming that the lump-water system is thermally isolated, what is the system's equilibrium temperature?

Ikg. Refer to your lab guide and review the data in Table F to complete each statement. The mass of G1 at all times during this trial was The velocity of G1 + G2 after the collision was m/s. The momentum of G1 after the collision was kg. m/s.

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down.

What is toms average speed in the first hallway

7. What does the slope of a position-time graph represent? a. Velocity b. Acceleration c. Displacement d. Position

What happens to the Total Energy as the spring bounce?

IF you are skateboarding and push back with one leg, and, as a result the skateboard moves forward. Which law of motion is being described

Explain why astronomers long ago believed that space must be filled with some kind of substance (the "aether") instead of the vacuum we know it is today.

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

What are the correct units for energy and work