A 300 g glass thermometer initially at 20 ◦C
is put into 297 cm3
of hot water at 83 ◦C.
Find the final temperature of the thermometer, assuming no heat flows to the
surroundings. The specific heat of glass is
0.2 cal/g ·
◦ C and of water 1 cal/g ·
◦ C.

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline