The satellite has an engine that fires for a short time and increases the tangential speed of the satellite to 1.2vo. As a result, the satellite enters an elliptical orbit. You may assume that during firing, the satellite does not noticeably change the distance from the center of Earth. d. Determine the kinetic, gravitational potential, and total mechanical energies of the satellite-Earth system at the point of closest approach.
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- 7) you and your company are designing a merry-go-round for the company's summer picnic so that all the kids can have fun too. You want to be sure the kids move at a speed of 4 m/s so that they have fun and feel the wind as they ride. However, you do not want it moving faster than 12 rpm so that the kids don't get motion sick. What minimum diameter platform will you need for this merry-go-round? a) 0.65 m b) 6.37 m c) 1.44 m d) 12.5 m e) 3.18 mQuestion 1 An Earth satellite has a speed 28,070 km/h when it is at its perigee of 220km above Earth's surface. Find the apogee distance, its speed at apogee, and its period of revolution. 4 Question 28. One radian equals approximately Your answer 9. If a 14 kg box is raised to a height of 4.0 m on Earth, what is its gravitational potential energy relative to the ground? Your answer Submit Never submit passwords through Google Forms. This form was created inside of Newport News Public Schools. Report Abuse
- Titan completes one orbit about Saturn in 15.9 days and the average Saturn-Titan distance is 1.22 x 10° m. Calculate the angular speed o of Titan as it orbits Saturn. rad/s =What the best answer3. An audio CD rotates at 150 rpm (revolutions per minute). What is the linear speed of a small scratch on the CD that is 10 cm from the center in cm/s? Show the step by step solution.
- A planet orbits its star in an elliptical orbit. Which of these quantities do not change as the planet orbits? O None of these quantities change as the planet orbits. O All of these quantities change as the planet orbits. O The planet's angular momentum O The planet's potential energy O The planet's kinetic energyTwo solid spheres of radius R and mass m are initially separated by a distance d such that the two centres of mass are separated by d+3R as shown below. The spheres are initially at rest, but the gravitational force accelerates them towards each other until they collide.a) Calculate the initial mechanical energy of the system.b) Calculate the gravitational potential energy of the system at the moment they collide.c) Derive an expression for v. State carefully what physical law you are applying.d) Show that, in the limit d >> R, the velocity v is independent of d.4. A pinball of mass M and radius R is pushed against a spring of spring constant k. The spring is compressed a distance D and the pinball machine ramp is inclined at an angle 0. The spring is then released. The pinball is a solid metal sphere that rolls without slipping. a. Determine the speed of the pinball as it leaves the spring. Hint: the spring force is not constant so you cannot use constant acceleration kinematics. Use conservation of mechanical energy instead. b. What is the distance that the pinball would go up the ramp before coming back down?
- < 8 of 18 Exercise 13.35 an Review I Constants A thin spherical shell has radius rA = 3.00 m and mass mA = 35.0 kg. It is concentric with a second thin spherical shell that has radius TB =7.00 m and mass mg = 60.0 kg Part A What is the net gravitational force that the two shells exert on a point mass of 0.0200 kg that is 2.00 m from the common center of the two shells (inside both shells)? Express your answer with the appropriate units. HÀ ? F= Value Units Submit Request Answer • Part B What is the net gravitational force that the two shells exert on a point mass of 0.0200 kg that is 5.00 m from the common center of the two shells (in the space between the two shells)? Express your answer with the appropriate units. HÀ F = Value Units Submit Request Answer • Part C What is the net gravitational force that the two shells exert on a point mass of 0.0200 kg that is 8.00 m from the common center of the two shells (outside both ahelle2 MacBook Air DII 80 888 F10 F11 F12 F7 esc F3 F4 F5 F6…lo completes one orbit about Jupiter in 1.77 days and the average Jupiter-Io distance is 4.22 x 10° m. Calculate the angular speed w of Io as it orbits Jupiter. W =What is the gravitational potential energy in joules of the sphere where it starts from rest at the top of the ramp. what is the angular speed of the sphere at the foot of the ramp.