6. A ball is thrown straight horizontally from a cliff with a speed of 18 m/s. It lands 45 meters from the base of the cliff. a. What is the height of the cliff? b. What is the horizontal component of the ball's velocity as it reaches the ground? c. What is the vertical component of the ball's velocity as it reaches the ground? d. What is the magnitude of the ball's velocity as it reaches the ground?

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

The least penetrating form of radiation is