Question

SECTION A (Mark the correct answer) One light year is the distance traveled by light in one year. The speed of light may be taken as 3.0 x 108 m/s. How far is one light year in terms of kilometers. Which of the following equations is dimensionally consistenta a) x = vt + y at b) v = y at c) v = at + y at d) x2 = 2a(v-vo) e) None of these. Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 3.74 + 4.2 + 3.046 a. 10.986 b. 10.99 c. 10.9 d. 11.0 4. A cereal box has the dimensions of 10 cm x 24 cm x 28 cm. what is its volume in cubic meters 5. Convert an acceleration of 9.8 m/s? into miles/hour Gasoline costs $2.50 per gallon. What is its price per liter. 1 liter is 0.264 gallon.

Question 2

Answer 1

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