- 6.6 Free Fall Explained (pages 93-95 31. Look at the two books resting on a shelf cle the llustration shown below. letterme the two is true. each statement about the two books that a. Both books have the same mass. b. Both books exert the same force on the shelf. c. Both books exert the same pressure on the shelf. d. Both books have the same weight. 32. An object __ d in air that experiences no air resistance is said to be in 33. A1-kg river rock and a 10-kg small boulder are dropped from the back of at the same time Identify which rock will strike the ground first. 35. Circle the letter of each statement about freely falling objects that is true. a. They all fall with the same acceleration. b. The net force acting on them is their weight. c. Their weight-to -mass ratios are always the same. d. Their acceleration is g, the acceleration due to gravity. 34 __ on the object is __ 6.7 Falling and Air Resistance (pages 95-97) 36. Identify the conditions needed for a feather and coin to fall at the same rate. __ 37. Circle the letter of each factor that affects the amount of air resistance experienced by an object. a. time in contact with the air c. surface area of object b. speed of object through the air d. weight of object 38. Circle the letter that describes the forces that are in balance when an object reaches its terminal speed. a. mass and air resistance b. air resistance and friction c. friction and mass d. weight and air resistance 39. Define terminal speed and terminal velocity. __
- 4. An object is experiencing an acceleration of 3.0m/s^2 while traveling in a circle at a velocity of 18.0m/s What is the radius of its motion? Formula
- If the index of refraction for acrylic is 1.49, how fast is light moving as it passes through the acrylic wedge?
- 1) Sources of energy other than fossil fuel are called which of the following? A: Alternative sources of energy B: Geothermal energy C: Solar energy D: Water energy 2) Water energy can be harnessed by using which of the following tools? A: Windmills B: Waterwheels C: Aqua cells D: Hydroelectric wheels 3) The earth's internal heat is called which of the following? A: Solar energy B: Core energy C: Geothermal energy D: Steam energy 4) Which of the following is a device that converts sunlight into electric energy? A: Solar cells B: Solar panels C: Converters D: Hydro panels 5) Which of the following is a tool used to trap or concentrate sunlight to be used for ener A: Solar cells B: Solar panels C: Solar devices D: Solar censors 6) Which of the following is NOT an alternative source of energy? A: Water B: Wind C: Sun D: Plants __ __
- Drawing circuit diagrams You'll be given a written description of the circuit -identify the types of devices in the circuit. -Use a ruler when drawing wires. Question: Draw a circuit that contains one cell, a switch, and a bulb. Series Circuits all go out" Draw a circuit diagram that contains a cell connected in series with a switch and 3 bulbs connected in series. square
