A 10-kg block is pushed across a horizontal surface with a horizontal force of 30 N against a friction force of 10 N. The acceleration of the block is
A) 1 m/s2.
B) 2 m/s2.
C) 5 m/s2.
D) 10 m/s2.
E) none of the above
Answer: B
Physics & Space Science
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A. 1/8 B. 1/2 C. 1/64 D. 1/4
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A) prism. B) diffraction grating. C) either of these D) neither of these
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Fill in the blank(s) with correct word
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