Heat is ________
a. a measure of the average kinetic energy of molecules in an object
b. a property of an object
c. the energy transferred between bodies due to a temperature difference
d. the specific heat of an object
c
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Where must an object be placed with respect to a converging lens of focal length 30 cm if the image is to be virtual, and three times as large as the object?
What will be an ideal response?
You push on a block on frictionless ice with a force of 8 N, causing it to accelerate at 2 m/s2 . The mass of the block is
a. 2 kg. b. 4 kg. c. 8 kg. d. 16 kg. e. 6 kg.
Determine the viscosity and the kinematic viscosity of water at 300 K and 350 K.
What will be an ideal response?
The absorption lines we find in quasar redshifts that arise from intervening gas clouds show even larger redshifts than the quasar spectra, due to dust absorption
Indicate whether the statement is true or false