A slice of bread contains about 125 kcal. If specific heat of a person were 1.00 kcal/kg/°C, by how many °C would the temperature of a 65.0-kg person increase if all the energy in the bread were converted to heat?
a. 3.85°C
b. 0.96°C
c. 1.92°C
d. 2.40°C
e. 1.44°C
c
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The creation of elements inside a star is called ______________
Fill in the blank(s) with correct word
Ancient astronomers often had difficulty explaining _____, the occasional westward motion of the planets
a. parallax b. eccentrics c. retrograde motion d. deferents e. epicycles
The precipitation of and crystallization of evaporite minerals is very similar to the crystallization of minerals from a magma. The first evaporite minerals to precipitate (crystallize) are those with the
A) lowest solubility. B) highest melting point. C) lowest silica content. D) highest solubility.
A particle (q = 3.0 mC, m = 20 g) has a speed of 20 m/s when it enters a region where the electric field has a constant magnitude of 80 N/C and a direction which is the same as the velocity of the particle. What is the speed of the particle 3.0 s after it enters this region?
a. 68 m/s b. 44 m/s c. 56 m/s d. 80 m/s e. 36 m/s