A box slides down a 25.0° slope under its own weight. The coefficient of kinetic friction between the box and the slope is 0.350. What is the acceleration of the box?
A) 1.03 m/s2
B) 2.06 m/s2
C) 1.22 m/s2
D) 2.20 m/s2
E) 2.44 m/s2
A
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Which color of light has the lowest energy photons?
A) red B) yellow C) green D) blue E) orange
3.0 moles of gas expand from an initial volume of 0.040 m3 to a final volume of 0.085 m3 while the temperature of the gas is kept fixed at 300 K. How much work is done by the system?
A) 5.6 kJ B) 6.6 kJ C) 7.6 kJ D) 8.6 kJ E) 14 kJ
Kepler relied heavily on the telescopic observations of Galileo in developing his laws of planetary motion
Indicate whether the statement is true or false
You roll a ball off a table and at the same time drop a second ball straight down from the edge of table. The second ball reaches the ground ____________ the first ball reaches the ground
a. before b. at the same time that c. after d. before or after, depending on the masses, e. cannot be determined