A 300 slug spacecraft is at rest in deep space, far from any gravity sources. Suddenly, an explosion breaks it up into two pieces. Some time later one of the pieces (100 slug) has moved 150 miles from the point of explosion. In this same time, how far would the other piece move?
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- At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.58 gg? Assume the spaceship's diameter is 25 mm , and give your answer as the time needed for one revolutionAn astronaut, whose mission is to go where no one has gone before, lands on a spherical planet in a distant galaxy. As she stands on the surface of the planet, she releases a small rock from rest and finds that it takes the rock 0.480 s to fall 1.90 m. If the radius of the planet is 8.60 * 107 m, what is the mass of the planet?Two manned satellites approaching one another, at a relative speed of 0.250 m/s, intending to dock. The first has a mass of 4.00x103 kg, and the second a mass of 7.50x103 kg. Calculate the final velocity (after docking) by using the frame of reference in which the first satellite was originally at rest. Group of answer choices 0.218 m/s 0.195 m/s 0.172 m/s 0.163 m/s
- A girl, having a mass of 15 kg, sits motionless relative to the surface of a horizontal platform at a distance of 5 m from the platform's center. If the girl speed is 2 m/s. What is the normal force that affects the girl?A space vehicle is traveling at 4450 km/h relative to the Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 82 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the speed (km/h) of the command module relative to Earth after the separation? (Note: this answer requires slightly higher precision than normal.)A rotating star collapses under the influence of gravitational forces to form a pulsar. The radius of the pulsar is 5.00 × 10−4 times the radius of the star before collapse. There is no change in mass. In both cases, the mass of the star is uniformly distributed in a spherical shape. If the period of the star’s rotation before collapse is 4.00 × 104 s, what is its period after collapse?
- 7) Two manned satellites approaching one another, at a relative speed of 0.550 m/s, intending to dock. The first has a mass of 5.00 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. (a) Calculate the final velocity (after docking) in m/s by using the frame of reference in which the first satellite was originally at rest. (Assume the second satellite moves in the positive direction. Include the sign of the value in your answer.) _____m/s (b) What is the loss of kinetic energy (in J) in this inelastic collision? _____ J (c) Repeat both parts by using the frame of reference in which the second satellite was originally at rest. final velocity (m/s) _____ m/s loss of kinetic energy (J) _____ J Explain in detail why the change in velocity is different in the two frames, whereas the change in kinetic energy is the same in both.A space is traveling at 4300 km/hr relative to Earth. When the exhausted rocket motor is. disengaged. and sent backward with a speed of 82 km/hr relative to the command module. The mass of the rocket motor is 4 time the mass of the module. What is the speed of the command module relative to the earth just after the separation. Answer in km/hr.OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in the floor, and you can see that you re in a rocket which has just taken off from the surface of an alien planet. By taking careful measurements out that window you determine that the rocket is accelerating upward at 6.98 m/s^2. When you drop a ball from a height of 2.33 m, it hits the floor 0.378 s later. What is the value of g for the alien world below you? 25.6 m/s^2 42.4 m/s^2 34.0 m/s^2 38.4 m/s^2
- Two manned satellites approaching one another, at a relative speed of 0.200 m/s, intending to dock. The first has a mass of 5.00 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. a. Calculate the final velocity (after docking) in m/s by using the frame of reference in which the first satellite was originally at rest. (Assume the second satellite moves in the positive direction. Include the sign of the value in your answer.) m/s b. What is the loss of kinetic energy (in J) in this inelastic collision? J c. Repeat both parts by using the frame of reference in which the second satellite was originally at rest. final velocity (m/s) m/sloss of kinetic energy (J) J Explain why the change in velocity is different in the two frames, whereas the change in kinetic energy is the same in both.NASA is expected to send a 2600-kg satellite 450 km above the earth’s surface. (a) What is its radius? (b) What speed will it have? (Hint: Earth’s mass is 5.97 × 1024 kg central of the earth is 6380 km)In a 2-body system, a space craft is in a circular orbit at a fixed radius B (450*10^8) around a central star of mass M (6*10^120) Determine the total energy and angular momentum of the circular orbit. (v/m = -E/m) and angular momentum (l/m) Both of these values are normalised by the mass of the spacecraft.