A thermodynamic system undergoes a process in which its internal energy decreases by 500 joules. At the same time, 220 joules of work is done on the system. What is the amount of heat transferred to or from the system? 280 joules

A gorilla is hanging motionless on a tree branch. If the gorilla's weight is 400 Newtons, what must be the tension in the tree branch?

Two lovers are parked 10.0m from the edge of a cliff in a car whose mass, including that of the occupants is 100kg. A jealous suitor ties a rope to the car's bumper and a 50. kg rock to the other end of the rope.

What can you infer about the prefix "thermo-" from the word "thermoregulation?" A It refers to the brain reser to the brain It refers to temperature It refers to feedback It refers to nerves and hormones

A 375-g stone hangs from a thin light string that is wrapped around the circumference of a pulley with a moment of inertia of 0.0125 kg ∙ m2 and a radius of 26 cm.

A 160.0 km long electric power line made out of copper is installed during the Spring months at an average temperature of 10.2 °C. 1) What is the change in the length of the power line on a hot summer day, when the temperature is 32.

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?