The only two forces acting on a body have magnitudes of 20 N and 35 N and directions that differ by 80°. The resulting acceleration has a magnitude of 20 m/s2. What is the mass of the body?
a.
2.4 kg
b.
2.2 kg
c.
2.7 kg
d.
3.1 kg
e.
1.5 kg
b
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A. 6 B. 18 C. 26 D. 30 E. 4
Besides Earth, which of the terrestrial planets and/or their satellites show(s) evidence for the possible existence of liquid water flowing on its surface in the past?
What will be an ideal response?
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A) 1/300,000 of a second (0.0000033 s) B) 1/ 6000 of a second (0.00015 s) C) 1/2 of a second (0.5 s) D) 1/50 of a second (0.02s)
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Fill in the blank(s) with correct word