The specific heat of copper is 0.385 j/g•°c. Which equation would you use to caculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°c to 29°c?

A 5.0-cm by 7.0-cm rectangular coil has 100 turns. Its axis makes an angle of 65° with a uniform magnetic field of 0.55 T. What is the magnetic flux through this coil?

A 500 kg piano is being lowered into position by a crane while two people steady it with ropes pulling to the sides. Bob's rope pulls to the left, 15° below horizontal, with 500 N of tension. Ellen's rope pulls toward the right, 25° below horizontal.

How could the toaster serve as an example of Conduction energy transfer?

Calculate the power of a motor that draws a current of 2 A when connected to a 12 volt battery.

What is the net force experienced by the rope? Include both the magnitude and direction

The puzzle box is traditionally associated with the work of

A 0.95-kg sample of water at 11°C is in a calorimeter. You drop a piece of steel with a mass of 0.39 kg at 212°C into it.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.

justin pushes basket of toys with 50N of force for 3 meters in 100 seconds. how much work did he do on the basket

In general, what can be said about metals.