A 1300 kg elevator is lifted at a constant speed of 1.3 m/s through a height of 22 m. How much work is done (a) by the tension in the elevator cable and (b) by gravity?

A skater increases her speed uniformly from 2.0 meters per second to 7.0 meters per second over a distance of 12 meters. the magnitude of her acceleration as she travels this 12 meters is

Why is freshly distilled or deionized water used in this standardization?

What is the result of two displacement vectors having opposite directions? Question 10 options: The resultant is the sum of the two displacements, having the same direction as the smaller vector.

A 9.0-V battery moves 20 mC of charge through a circuit running from its positive terminal to its negative terminal. How much energy was delivered to the circuit?

A temperature of a 50 kg block increases by 15°C when 337,500 J of thermal energy are added to the block. a. What is the specific heat of the object? show your work with units.

Ways that charges can be transferred

If you drive at 100 km/hr for six hours how far will you go

Chemical bonds are formed from the attractive force of atoms for electrons. What is the force called?

How resistance, current, and voltage behave in a series circuit.?

A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son