After 6 seconds its velocity will be: A) 7 m/s north B) 7 m/s south C) 43 m/s north D) 20 m/s north E) 20 m/s south 2. A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s 2 south. The SI base unit for mass is: A) gram B) pound C) kilogram D) ounce E) kilopound mi is equivalent to 1609 m so 55 mph is: A) 15 m/s B) 25 m/s C) 66 m/s D) 88 m/s E) 1500 m/s ĥ Answer Key 1. A cubic box with an edge of exactly 1 cm has a volume of: A) 10 9 m 3 B) 10 6 m 3 C) 10 3 m 3 D) 10 3 m 3 E) 10 6 m A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of: A) 0.20 m 3 B) 0.14 m 3 C) m 3 D) m 3 E) m A nanosecond is: A) 10 9 s B) 10 9 s C) s D) s E) s 19.

The order of magnitude of the number of these marbles that can be placed in a jar with a radius of 3 cm and a height of 10 cm is: A) 10 B) 10 2 C) 10 4 D) 10 6 E) 19 8 ģ = A) B) C) D) E) The number of significant figures in 15.0 is: A) 1 B) 2 C) 3 D) 4 E) = A) 29 B) 28.8 C) 28.9 D) E) The order of magnitude of the number is: A) 2 B) C) 10 2 D) 10 1 E) = A) B) C) D) E) Ĥ 16. Which of the following is closest to a yard in length? A) 0.01 m B) 0.1 m C) 1 m D) 100 m E) 1000 m 10. There is no SI base unit for area because: A) an area has no thickness hence no physical standard can be built B) we live in a three (not a two) dimensional world C) it is impossible to express square feet in terms of meters D) area can be expressed in terms of square meters E) area is not an important physical quantity 9. A cube with an edge of 1.5 ft has a volume of: A) m 3 B) m 3 C) 10.5 m 3 D) m 3 E) 0.21 m 3 8. The SI standard of length is based on: A) the distance from the north pole to the equator along a meridian passing through Paris B) wavelength of light emitted by Hg 198 C) wavelength of light emitted by Kr 86 D) a precision meter stick in Paris E) the speed of light 7. The SI standard of time is based on: A) the daily rotation of the earth B) the frequency of light emitted by R 86 C) the yearly revolution of the earth about the sun D) a precision pendulum clock E) none of these Ģ 6. Which of the following weighs about a pound? A) 0.05 kg B) 0.5 kg C) 5 kg D) 50 kg E) 500 kg 5. Suppose A = B n C m, where A has dimensions length time, B has dimensions length 2 time 1, and C has dimensions length time 2. A square with an edge of exactly 1 cm has an area of: A) 10 6 m 2 B) 10 4 m 2 C) 10 2 m 2 D) 10 4 m 2 E) 10 6 m 2 3. A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of: A) m 2 B) m 2 C) m 3 D) m 2 E) m 2 2. 1 PHY101 Solved MCQ'S For Exam Name: Date: 1.

Phy 101 exam questions