You release the object, what is the period of oscillation of the mass/spring system? Using yt=Acos(wt), what is the expression of the vertical motion along the y-axis? What is the maximum speed of the oscillating object? What is the maximum kinetic energy? Do these values make sense from the values in part b?
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Please answer questions 3, 4 and 5!
- A 780 g object is hung from a spring with a force constant of 30 N/m. What is the displacement of the spring from equilibrium length if it is hanging vertically
- Now, the mass in question a is being pulled downward by an additional 9 cm. What is the potential energy?
- You release the object, what is the period of oscillation of the mass/spring system?
- Using yt=Acos(wt), what is the expression of the vertical motion along the y-axis?
- What is the maximum speed of the oscillating object? What is the maximum kinetic energy? Do these values make sense from the values in part b?
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- Astronomers using a 2.0-m-diameter telescope observe a distant supernova-an exploding star. The telescope's detector records 7.5 x 10-¹1 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 5.5 x 10³7 W for the first 10 s of the explosion. Part A How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 x 108 m/s. Express your answer in light years. ► View Available Hint(s) VE ΑΣΦ xa Xb b d=2.86 108 √x x x Submit Previous Answers < Return to Assignment x Provide Feedback IXI ? X.10n X Incorrect; Try Again; 5 attempts remaining It seems that you have used the telescope's diameter instead of its radius in your calculations. You may need to review Area Calculations for a Circle. lyA block attached to an ideal spring oscillates without friction on a horizontal table. A student makes the following measurements on the block: •k =56.91 •m =6.26 • A= 1.6 Vmax= 4.16 • Vave= 0.73 What is the maximum potential energy of the mass-spring system? Round off your final answer to two decimal places. Add your answer1. A crane lifts a 75kg mass a height of 8 m. Calculate the gravitational potential energy gained by the mass (g = 9.8 N/kg). 2. A compressed spring has the potential energy of 20 J and its spring corstant is 200 N/m Calculate the displacement of the spring. 3. The vertical spring is linked to a load of mass 5 kg which is compressed by 10m Determine the force constant of the spring. 4. Explain how gravitational potential energy relates to the position/configuration of the system 5. Explain how elastic potential energy relates to the position/configuration of the system 6. Explain the difference between work and energy.
- Astronomers using a 2.0-m-diameter telescope observe a distant supernova-an exploding star. The telescope's detector records 7.5 x 10-11 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 5.5 x 1037 W for the first 10 s of the explosion. Part A How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 x 108 m/s. Express your answer in light years. ► View Available Hint(s) d= IVE ΑΣΦ Submit ? lyPendulum: The _200 gʻ*bob" of a _1.2_m long pendulum is pulled back so that the string makes an angle of 15° from the vertical. A.) Determine the speed of the "bob" at the lowest point of the swing. B.) Determine the height at which the velocity of the “bob" will be 2 Vmax. 15°1. A 1.75 kg ball rolls down an incline into a spring. The ball starts from rest at a height of 3.10 m above the spring and the spring constant is 185 m a. If the spring is compressed 65 cm when the ball comes to rest against the spring, was energy conserved? b. How much work was done by non-conservative forces in this case? c. How far would the spring be compressed if the work done by non-conservative forces was zero?
- Please show work please… Thank you!There is a 2.02 kg box at three points in time. Initial the box is moving to the left at 12 m/s. A. How much kinetic energy is does the box have while moving to the left in time 1? _________ JoulesB.The box then hits into a spring with a spring constant of 534 N/m. At the point of max compression all of the boxes kinetic energy goes into elastic potential energy. How much is the spring compressed at that point ______ metersSuppose that during each step, the leg of the student, which is 0.90 meters long, swings through a total distance of 2.0 m. At the end of the swing, this foot rests on the ground for 0.2 s before the other leg begins its swing. a. At what speed does this student walk? (Think carefully about how far forward the student moves at each step.) b. The swinging leg reaches its maximum speed at the bottom of its arc. How many times faster is this maximum leg speed (measured with respect to the ground) than the average walking speed?
- A. 2. The above diagram shows a cyclist at different positions as she cycles over a humpback bridge. The cyclist has maximum Kinetic Energy at and maximum Potential energy at DELLUse graphing software to create a graph of Potential Energy on the vertical axis versus Applied Force on the horizontal axis for the spring with a spring constant of 100 N/m. Add the data for the other two sets of spring constants to the same graph with polynomial trendlines for each data set. Include a graph title and axis titles with appropriate units. Data Table 4: Energy Displacement Applied Force (N) (m) Spring Constant 100 N/m Spring Potential Energy (J) 0.200 20 0.600 60 1.000 100 -0.400 -40 -0.600 -60 Spring Constant 200 N/m 0.200 40 0.600 120 1.000 200 -0.400 -80 -0.600 -120 Spring Constant 350 N/m 0.200 70 0.600 210 1.000 350 -0.400 -140 -0.600 -210 過 2.0 18 50 8.0 18 4 36 100 16 36 7 63 175 -0.400 -6001. Which of the following is NOT an example of potential energy? a. A running woman b. An incredibly compressed spring G. A tightly stretched rubber band d. An apple dangling off a branch 2. A ball drops from a height h. What more do we need to calculate initial potential energy? a. Elasticity of the Ball b. Mass c. Final Velocity d. Horizontal Displacement