physics homework due in 4 hours

ps104_01_hw1.doc

1. The figure below depicts two forces F1 and F2, whose magnitude is expressed in N.

(i) Calculate the magnitude of force F2.

(ii) Calculate the two components of the sum F1 + F2.

2. Simplify the following fractions:

(i) (ii)

(iii) (iv)

3. Convert 23.5 Gs into ms. Express the answer in scientific notation.

4. Convert 12 fm into Km. Express the answer in scientific notation.

5. What are the SI units of torque?

6. Given formula KE = 1/2 mv2, solve it for v.

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