Which sentence contains italicized words that are used as an infinitive phrase?
a. mark wanted to go, but not today.
b. tom went there for some flour.
c. jane parked her car behind a truck.
d. kelly went to the grocery store.

Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?