The greatest problem with the use of nuclear power to generate electricity is its:

A person weighs 650N what is the mass of the person

4. A train is travelling at a speed of 60 km / h. Brakes are applied so as to produce a uniform acceleration of - 0.5 m / s2 . Find how far the train will go before it is brought to rest.

Your town is considering building a nuclear power plant. Describe at least two advantages and two disadvantages of this project. Based on these factors would you recommend that they continue with the project or consider other options?

What is the gravitational attraction between Mass A (200kg) and Mass B (500kg) ? 12m distance between the two masses.

A gas is compressed from an initial volume of 5.40 L to a final volume of 1.20 L by an external pressure of 1.00 atm. During the compression the gas releases 128 J of heat. Part A What is the change in internal energy of the gas?

Two lamps one rated 40W at 220 V and the other 60W at 220 V are connected in parallel to the electric supply at 220V.

A 45.0-kg person steps on a scale in an elevator. The scale reads 460 n. What is the magnitude of the acceleration of the elevator?

The entropy of a hot baked potato decreases as it cools. is this a violation of the increase of entropy principle? explain.

When aluminum-27 is bombarded with a neutron, a gamma ray is emitted. what radioactive isotope is produced?

A sonar device on a ship sends ultrasound waves under the water to locate a sunken ship. It takes the ultrasound wave 0.6 seconds to travel from the device to the sunken ship and back again. How far below the surface is the sunken ship?