An 80.0 kg person is riding in an elevator that is accelerating at 2.40 
downward. The apparent weight of the 80.0 kg person measured on a scale in the elevator
A. 592 N.
B. 639 N.
C. 784 N.
D. 855 N.
E. 976 N.
A. 592 N.
You might also like to view...
Satellite Motion: A satellite that is in a circular orbit 230 km above the surface of the planet Zeeman-474 has an orbital period of 89 min. The radius of Zeeman-474 is 6.38 × 106 m. What is the mass of this planet? (G = 6.67 × 10-11 N ? m2/kg2)
A. 5.0 × 1024 kg B. 5.5 × 1024 kg C. 6.0 × 1024 kg D. 6.5 × 1024 kg
The temperature of the layer of gas that produces the visible light of the Sun is
A) 3,500 K B) 5,800 K C) 12,300 K D) 300,000 K E) 15 million K
According to inflation theory, parallel lines appear to remain parallel because
A) the universe is so unbelievably large. B) mass has the effect of balancing the natural curvature of space-time. C) space is inherently flat. D) the universe is so very old.
The key process of a laser is
a. stimulated emission. b. Bremsstrahlung. c. electron diffraction. d. microwave absorption.