A system uses 2,380 J of energy to do work as 12,900 J of heat are added to the system. What is the change in internal energy of the system?

You want to prevent charges from moving off of a charged metal sphere. Which statement accurately describes the material you need? O A. It has a low resistance and is a conductor. O B. It has a high resistance and is an insulator. O C.

A wood block, after being given a starting push, slides down a ramp at a constant speed. what is the angle of the ramp above horizontal? suppose that μk = 0.35.

The main difference between speed and velocity involves A. gravity. B. weight. C. direction. D. distance.

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. Why do ice cubes inside a freezer tend to shrink over time? A. The ice dissolves oxygen from the air, forming a denser crystalline matrix. B.

Determine the velocity of car A with respect to car B. A) - 80 km hr B) - 20 km hr C) 20 km hr D) 80 km hr

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?