3. Complete the chart below to show the speed at which each object would hit the ground if dropped from a height of 75m. hammer paper ball marble m/s m/s m/s 4. What was the hammer's speed after falling for 1s? m/s
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3. Complete the chart below to show the speed at which each object would hit the ground if dropped from a height of 75m.
4. What was the hammer's speed after falling for 1s?
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- 3. Arock is dropped from a rest position at the top of a cliff and free falls to the valley below. Assuming negligible air resistance, use the equations on free fall motion to determine the distance fallen and the instantaneous speeds after each second. Indicate these values on the odometer (distance fallen) and the speedometer views shown to the right of the cliff. Round all odometer readings to the nearest whole number. Show a sample calculation below: t= 0s 000 tere 4030 t-ls 005 metere 3s rtere etere c. If the falling time of a free-falling object is doubled, the distance fallen increases by a factor of - Show proof of your answer.NoneYou stand on the top of a tall building and throw a baseball directly downwards. When the baseball leaves your hand, it has a speed of 6 m/s. (Assume there is no air resistance for this problem) a. Four seconds after you throw it, what is the acceleration of the baseball? Show your work and explain your steps. b. Four seconds after you throw it, what is the velocity of the baseball? Show your work and explain your steps.
- . A cyclist rides 3000 m west (negative x direction) and then turns around and rides 2000 m east (positive x direction). (Draw pictures to help with your calculations.) 1. What is his displacement? Answer: 2. What is the magnitude of his displacement? 3. What is the distance traveled? Please show work.. Thank you so much5. The velocity-time graph of an object is shown below. Figure out the total change in position (displacement) of the object. Show your work. Displacement meters. +47 V e +2 i 01 6. 8. 10 Time (s ec) y -2 m's 4question part d is 100 mA not 100 Ma. Please help solve part d. Thanks!
- 5. You roll a ball along a table. It rolls for 8 seconds and travels 2 meters. How fast was it rolling? Show your work.Rate of Change/Slope Assessment Refer to the graph showing Dawn's trip to the store (measured in metres from home over time in minutes). Dawn's Trip To TheStore 1000 800 600 400 200 10 15 20 25 Time (min) 1. When is she moving fastest? Calculate her fastest speed (slope). 2. When did she stop? How does this appear on the distance time graph? 3. Which section of the graph has a negative slope/rate of change? What does it mean in this situation? 4. If the vertical axis label was changed to Distance traveled in metres (instead of distance from home) would this change the appearance of the last section of the graph? If so draw the new section on the graph. Distance from Home (m)