The specific heat (c) of copper is 0.39 J/g °C. What is the temperature

change (At) when 100 Joules of heat (Q) is added to 20 grams?

What will be the amount of heat required to raise the temperature of 3 kg of paraffin by 10 degree C if 44000joules of heat energy is required to raise the temperature of 1 kg of paraffin by 20 degree C

A camcorder has a power rating of 16 watts. If the output voltage from its battery is 7 volts, what current does it use? Answer and units?

5. The statement, "Mass can neither be created nor destroyed is the?

The space shuttle releases a satellite into a circular orbit 710 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?

How do scientists know that dark matter exists? a. it absorbs radio waves. b. it emits electromagnetic radiation. c. it exerts a gravitational pull on other matter. d. it blocks the light coming from other objects.

What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart. (A) 4.5*10-9N (B) 5.6*10-9N (C) 7.4*10-9N (D) 8.0*10-9N (E) 10.5*10-9N

A 1100 kg car pushes a 1800 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N.

The model that describes a Sun-centered solar system is called theA. laws of motion. B. geocentric model. C. heliocentric model. D. general theory of relativity.

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 20.0 m/s. Then the truck travels for 20.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.

which of the following best describes the amount of natural resources found here in the united states. coal is the only natural resources found in abundance in the US. Natural resources here are lacking and must all be imported to the us.