How do I know if this object can remain at rest?
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How do I know if this object can remain at rest? Please explain step-by-step.
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- What is the gravitational force experienced by mass C in the figure below? A :3 kg 7 6 B 5 kg 4 M=2 kg 2 →x(m) 12345 6789 10Two dots are marked in a disc that is rotating around its center. One of them is 3 cm further than the other to the center of the disc and moves at a constant speed that is 2.5 times as fast as the other. What is the distance from the center of the disc to this far point?At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.52 gg? Assume the spaceship's diameter is 29 mm , and give your answer as the time needed for one revolution (see the figure (Figure 1)). Express your answer using three significant figures and include the appropriate units.
- An intergalactic spaceship arrives at a distant planet that rotates on its axis with a period of T = 31 hours. The mass of the planet is M = 2.1 • 1025 kg. The spaceship enters a circular orbit with an orbital period that is equal to the planet's period for the rotation about its axis, T. a. Enter an expression for the radius of the spaceship’s orbit. b. Calculate the orbital radius in meters.The Velocity of the Moon The velocity of the Moon relative to the center of the Earth can be approximated by - v = (945m/s){-sin[(2.46 x 10-6 radians/s)t]} +cos[(2.46 x 10-radians/s)t]ŷ where t is measured in seconds. (The time required for the Moon to complete one orbit is 29.5 days.) 1 Part A To approximate the instantaneous acceleration of the Moon at t = 0, calculate the x and y components of the average acceleration between the times t=0 and t = 0.100 days. Enter the x and y components of the average acceleration separated by comma. az, ay = ΜΕ ΑΣΦ Submit Request Answer ? m/s² Part B To approximate the instantaneous acceleration of the Moon at t = 0, calculate the x and y components of the average acceleration between the times t = 0 and t = 0.0100days Enter the x and y components of the average acceleration separated by comma. az, dy = ΕΠΙ ΑΣΦ Submit Request Answer 0 ? m/s²I am lost on the step by step in step #2: can you please break them down. thanks! The acceleration due to gravity at altitude h is given by gh = GMR + h2= GM(R+3.30R)2= 1(4.30)2×GMR2= 118.49×9.8 m/s2= 0.530 m/s2 The acceleration of meteoroid due to earth's gravitation is equals to 0.530 m/s2
- An astronaut with a mass of 75.8kg, finds herself 34.7m from her spaceship. The only way for her to return to the ship is to throw her 0.450kg wrench directly away from the ship. If she throws the wrench with a speed of 20.3m/s, how many seconds does it take her to reach the ship?An object moves freely upward. The acceleration at maximum height is I am confused. When at max velocity, velocity is zero. But at that point gravity is negative or -g, magnitude is g. Is accleration at maximum height zero? Please explain the rest.Convert the below quantities to degrees (do not enter the degree symbol in the answer box): 4T/7 rad: Number 8.83 rev: Number O 6.287479 rev: 39.52 O Convert the below quantities to radians: 231 degrees: Number rad rad Convert the below quantities to radians/second. 219 rev/min: Number 725 degrees/hour: Number rad/s rad/s
- Which of the following are part of the first postulate of Einstein's Special Theory of Relativity? Time and weight are relative to the motion of the observer. All the laws of physics are the same in all inertial frames of reference. Absolute motion can always be detected. a I only b II only c III only d I, II, and IIITwo identical planets (in size and mass) named Nutron and Cruton, orbit their star, Ensalada, in circular orbits about its equator. Cruton is 3 times further away than Nutron is. How does Cruton’s orbital speed compare with Nutron’s? Group of answer choices a) It is faster. b) It is the same. c) It is slower d) Cannot be determined from given information.