Q10.17: which of the following statements concerning simple harmonic motion is false? a : a restoring force acts on an object in simple harmonic motion that is directed in the same direction as the object's displacement. b : a restoring force acts on the object that is proportional to the object's displacement from its equilibrium position. c : during simple harmonic motion, the net force on the object is zero when it is at its equilibrium position. d : the displacement versus time graph for an object in simple harmonic motion resembles the sine or cosine function. e : the amplitude of the motion of an object in simple harmonic motion is the maximum distance the object moves from its equilibrium position.

1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.