The ratio of the density of a material to the density of water is the __________
Fill in the blank(s) with correct word
specific gravity
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Newton's Second Law in 1 Dimension: A 40-kg crate is being lowered with a downward acceleration is 2.0 m/s2 by means of a rope.(a) What is the magnitude of the force exerted by the rope on the crate?(b) What would be the magnitude of the force exerted by the rope if the crate were being raised with an acceleration of 2.0 m/s2?
Fill in the blank(s) with the appropriate word(s).
As the temperature of a radiation emitting blackbody becomes higher, what happens to the peak wavelength of the radiation?
a. increases b. decreases c. remains constant d. is directly proportional to temperature
What is wave interference, and the two types of wave interference?
What will be an ideal response?
The half-life of 3H is 12 years. About how long does it take for 7/8 of a sample of that radionuclide to decay?
a. 3 years b. 24 years c. 4 years d. 36 years