What is their total energy at the top of the hill
Course:- Physics
Reference No.:- EM13298394

Assignment Help
Assignment Help >> Physics

1 Equal amounts of heat are added to equal masses of copper and silver at the same initial temperature.

(a) Which metal will have the higher final temperature?

How many times greater will that temperature change be than the temperature change of the other metal?

2 A cylinder of gas is at room temperature (20°C). The air conditioner breaks down, and the temperature rises to 57°C. What is the new pressure of the gas relative to its initial pressure (p1)?

3 A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high.

(a) What is their total energy at the top of the hill?


(b) Assuming there is no friction, what would the total energy be on sliding halfway down the hill?


Put your comment

Ask Question & Get Answers from Experts
Browse some more (Physics) Materials
Note that in supporting the beam, the hinge has to supply a force with components in both the horizontal and vertical directions. What is the tension in the horizontal strin
A spring has k = 96 Nm. use a graph to determine the work needed to stretch it from x=3.8 cm to x=6.1cm, where x is the displacement from its unstretched length.
A point on the surface of a solid sphere (radius = 0.806 m) is attached directly to a pivot on the ceiling. The sphere swings back and forth as a physical pendulum with a smal
A TV remote control emits IR light. If the detector on the TV set is not to react to visible light, What is the shortest-wavelength light that can strike silicon without caus
A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How far is the crate from the a
An emf is induced by rotating a 800 turn, 15.0 cm diameter coil in the earth's 5.00 x 10-5 T magnetic field. What average emf is induced given the plan of the coil is origina
A person walks first at a constant speed of 4.60 m/s along a straight line from point Ato point B and then back along the line from B toA at a constant speed of 2.90m/s. Wha
Jack is a second-grade student. He seems to have no interest in learning, frequently daydreaming in class and frequently disrupting the class by throwing objects at other stud