What is terminal speed When a skydiver has reached terminal speed what is the are resistance equal to assignment help

1. What is terminal speed? When a skydiver has reached terminal speed, what is the are resistance equal to? What is the skydiver’s acceleration? Be sure to use at least 3 to 4 complete content related sentences.

2. A force is a push or a pull. Newton’s third law further defines the meaning of force. Be sure to explain using at least 3 to 4 complete content related sentences.

3. The sun radiates about 3.6 x 1026 joules of energy each second. How much mass does the lose each second? Show all of your work and be sure all numbers must be clearing identified and explain in your work.

4. Provide the time dilation equation found in Section 15.4 of the text. Explain each step of the derivation.

5. You sit at the outer rim of a Ferris Wheel that rotates 2 revolutions per minute (RPM). What would your rotational speed be if you were instead clinging to a position halfway from the center to the outer rim. Be sure to provide at least 3 to 4 complete content related sentences and show any work needed to support your answer.

6. At the outer edge of a rotating space habitat, 130 m from the center, the rotational acceleration is g. What is the rotational acceleration at a distance of 65 m from the center of the habitat? Be sure to show all work and steps to support your answer.

7. A car traveling at 60 km/h will skid 30 m when its brakes are locked. If the same care is traveling at 180 km/h, what will be the skidding distance? Be sure to show all work to support your answer.

8. At what height does a 1000-kg mass have a potential energy of 1J relative to the ground? Be sure to show all work to support your answer.

9. A bicycle travels 15 km in 30 minutes. What is its average speed? Be sure to show all work to support your answer.

10. What is the average acceleration of a car that goes from rest to 60 km/h in 8 seconds? Be sure to show all work to support your answer.

11. What speed must you toss a ball straight up so it takes 4 s to return to you? Be sure to show all work to support your answer.

12. Assume that a 15-kg ball moving at 8 m/s strikes a wall perpendicularly and rebounds elastically at the same speed. What is the amount of impulse given to the wall? Be sure to show all work to support your answer.

13. A net force of 1.0N acts on a 4.0-kg object, initially at rest, for 4.0 seconds. What is the distance the object moves during the same time? Be sure to show all work to support your answer.

14. What is the energy equivalent of 5.0 kg of mass? Be sure to show all work to support your answer.

1. Stand with your heels and back to the wall and lean over and touch your toes…. What happens??? Yep, you topple. Which would help you in completing this task, stronger legs or longer feet. Use 2 to 3 complete content related sentences to defend you answer.

2. Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. His classmate, Jordan, disagrees. Alec “proves” his point by dropping two pieces of paper, one crumpled and the other not. Sure enough, the crumpled piece falls faster. Has Alec proven his point? Use at least 2 to 3 complete content related sentences to explain.

3. Calculate the speed in m/s at which the moon revolves around the Earth. Note: the orbit is nearly circular.

4. Using at least 3 to 4 complete content related sentences describe the first and second postulate of special relativity.

5. You are playing catch with a friend in a moving train. When you toss the ball in the direction the train is moving, how does the speed of the ball appear to an observer standing at rest outside the train? Be sure to use at least 3 complete content related sentences to explain.

 

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