Inside a certain house the temperature is 72F. Your little sister leaves the frint door open in the middle of winter, outside it is - 20F. Which way will thermal energy be transferred, into or out of the house?

a force of 20 N acted on a ball thereby imparting an impulse of 70 Ns to the ball. For how long did the force act on the ball?

Where does the sun rise at 0 degrees latitude during the winter and summer solstices?

A 2.00 g coin, which has zero potential energy at the surface, is dropped into a 10.0 m well. after the coin comes to a stop in the mud, what is its potential energy with respect to the surface?

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work W would you need to do on the electron? Enter your answer numerically in joules.

If an individual eats foods that do not contain any dairy and only drinks soy milk he or she most likely had a problems digesting

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.