A car starts from rest and travels a distance of 100 m in 10 seconds. The acceleration of the car is
A. 1.0 
B. 2.0
C. 2.5
D. 3.0
E. 3.5
B. 2.0
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Islamic scholars ________.
A. influenced the naming of bright stars B. made detailed studies of the motions of the planets C. developed algebra D. studied and expanded upon older texts in astronomy E. All of these choices are correct.
A particle (charge = +2.0 mC) moving in a region where only electric forces act on it has a kinetic energy of 5.0 J at point A. The particle subsequently passes through point B which has an electric potential of +1.5 kV relative to point A. Determine the kinetic energy of the particle as it moves through point B.
A. 3.0 J B. 2.0 J C. 5.0 J D. 8.0 J E. 10.0 J
What is the mass of 25 cm3 of pure water?
a. None of these b. 25 kg c. 25 g d. 25 mL
Three identical very small 50-kg masses are held at the corners of an equilateral triangle, 0.30 m on each side
If one of the masses is released, what is its initial acceleration if the only forces acting on it are the gravitational forces due to the other two masses? (G = 6.67 × 10-11 N ? m2/kg2) A) 1.9 × 10-8 m/s2 B) 4.2 × 10-8 m/s2 C) 6.4 × 10-8 m/s2 D) 2.5 × 10-8 m/s2 E) 3.7 × 10-8 m/s2