A heat engine receives 1240 J of heat and exhausts 910 J per cycle of the engine what net work does the engine perform during the cycle? a) 0 J

b) 330 J

c) 910 J

d) 2150 J

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?