A system absorbs 186 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal energy of the system? express the internal energy in kilojoules to three significant figures.

what is the pressure at water level, when density of water p = 1.000 x 10 ^3 kg/m^3 atmospheric pressure at sea level = 1.013 x 10 ^5 pa?

Which is a device that stores electric charge by separating positive and negative charges? A. a conductor B. a dielectric C. a resistor D. a capacitor

If the station is 40 km away, how long does it take for the radio waves to reach you from the station? Answer in units of seconds.

What is a main difference between the Schrodinger model and the bohr atomic model

When two or more forces act on an object at the same time what are they called

a car slows down from 22 m/s to 3 m/s at a constant rate of 3.5 m/s squared. how many seconds are required before the car is traveling at 3 m/s?

An AC generator has 80 rectangular loops on its armature. Each loop is 12 cm long and 8 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.

How fast would the moon need to travel in order to escape the gravitational pull of Earth, if Earth has a mass of 5.98 X 1024 kg and the distance from Earth to the moon is 3.84 x 108 m?

6. A technlclan can be electrocuted when working on HEVs or EVs. A) O True B) O False

You light a light bulb with a 1.5 volt battery. if the bulb has a resistance of 10 ohms, how much current is flowing?