The universal gravitational constant G was first measured
A) before Newton's time.
B) by Newton himself.
C) after Newton's time.
Answer: C
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The car lift in a gas station operates with an air pressure of 2000 kPa. The piston of the car lift has a diameter of 30.0 cm. What is the mass of the largest car that the lift can raise?
A. 8,750 kg B. 9,450 kg C. 10,300 kg D. 14,400 kg E. 17,500 kg
A 12-nC charge is distributed uniformly along the y axis from y = 0 to y = 4 m. Which of the following integrals is correct for the x component of the electric field at x = 2 m on the x axis?
A.
B.
C.
D.
E.
Which of the following can be classified as "heat engines":
A) geothermal power plant B) wind turbines C) hydroelectric power plant D) All of the above. E) None of the above.
When the noonday Sun is overhead in London, England, on April 15, what are the standard time and date in San Francisco?