BVBA=RA=RBData: VB 30 km/s, RA 10,000,000 km, RB = 30,000,000 km Problem 2: Consider the configuration and the data in the Figure below. A planet orbits a star in an ellipticalorbit. The mass of the planet is much less than the mass of the star. The maximum and minimum distancesthat the planet reaches with respect to the star are known, and are specified in the figure.a) Find the torque made by gravitational force from A to B.Option A: Option B:Option C:Option D:b) Find the velocity of the planet at A.Option A: Option B:Option C:Option D:c) Find the centripetal acceleration of the planet at B.Option A: Option B:Option C:Option D:

Given data:rB=30000000kmrA=10000000kmand,vB=30km/s Part a: The torque made by the gravitational…

Answered: B VB A = RA = RB Data: VB 30 km/s, RA…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 48P: An ultracentrifuge accelerates from to 100,000 rpm in 2.00 min. (a) What is the average angular...

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An ultracentrifuge accelerates from to 100,000 rpm in 2.00 min. (a) What is the average angular acceleration in rad/s2 ? (b) What is the tangential acceleration of a point 9.50 cm from the axis of rotation? (c) What is the centripetal acceleration in m/s2 and multiples of g of this point at full rpm? (d) What is the total distance travelled by a point 9.5 cm from the axis of totation of the ultracentrifuge?
A proton is accelerated in a cyclotron to 5.0106m/s in 0.01 s. The proton follows a circular path. If the radius of the cyclotron is 0.5 km, (a) What is the angular momentum of the proton about the center at its maximum speed? (b) What is the torque on the proton about the center as it accelerates to maximum speed?
Which of the following statements is correct regarding Kepler's three laws of planetary motion? Angular momentum of any planet about an axis through the Sun and perpendicular to the orbital plane is not invariant during its motion. Planets move in elliptical orbits with the sun not being at its center. O Orbital period of a planet is directly proportional to its distance from the sun. O Kepler's laws are valid only for planets in the solar system.
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Radius of Earth, RE: 6,3781366E+06 mMass of Earth, ME: 5,9721426E+24 kg A spacecraft is in circular orbit around the Earth at an altitude h. Find the angular speed, tangential speed and period of the motion. Assume that the Earth is perfectly spherical and only force acting to the spacecraft is the gravitational attraction force by the Earth. I need a deteailed answer
The 5.0 kg, uniform, horizontal rod is seen from the side. What is the gravitational torque about the point shown? Use g = 10 m/s². (Hint: It means the point shown is the pivot - rotational axis. Clearly draw the free-body diagram with the pivot, force, and r.) 25 cm 75 cm
A satellite is in an elliptical orbit, with a perigee of 2.0 earth radii and an apogee of 6.6 earth radii. If its velocity is 2.10 km/s at apogee, what is its velocity at perigee? Provide your answer in km/s. Hint: Make use of the conservation of angular momentum. A. 6.2 km/s B. 6.9 km/s C. 8.0 km/s D. 8.8 km/s
A ball is released from rest and rolls without sliding on an inclinedramp, for this to be possible it must be given that: a) The radius of the ball is much smaller than the length of the ramp. b) You need to know the mass and radius of the ball in order to provide an answer. c) The ramp is very smooth. d) The ramp is rough.
Asteroids X, Y, and Z have equal mass of 3.0 kg each. They orbit around a planet with M = 6.20×1024 kg. The orbits are in the plane of the paper and are drawn to scale. с Z r Submit Answer S The three asteroids orbit in the same clockwise direction. The angular velocity of Y at n is .... that at i. The period of X is .... that of Y. The period of Y is that of Z. The angular velocity of Z at r is .... that at s. The angular momentum of X at s is .... that at e. The angular momentum of Y is .... that of Z. The angular velocity of Y at r is .... that of Z at r. Tries 0/20
1978M1. An amusement park ride consists of a ring of radius A from which hang ropes of length éwith seats for the riders as shown in Figure I. When the ring is rotating at a constant angular velocity o each rope forms a constant angle 0 with the vertical as shown in Figure II. Let the mass of cach rider be m and neglect friction, air resistance, and the mass of the ring, ropes, and seats. In the space below, draw and label all the forces acting on rider X (represented by the point below) under the constant rotating condition of Figure II. Clearly define any symbols you introduce. a. b. Derive an expression for o in terms of A, 4 0 and the acceleration of gravity g. Determine the minimum work that the motor that powers the ride would have to perform to bring the system c. from rest to the constant rotating condition of Figure II. Express your answer in terms of m, g, 4 0, and the speed v of each rider.
Question 1 a) Calculate the linear velocity (in m/s) of the earth’s rotation about its axis if its equatorial radius is 6378 km. b) If ‘N’ is the rotational frequency of an object in revolutions per hour, write the expression for the angular velocity (speed), for this object in revolutions per second in terms of ‘N’. (Express your answer in simplest terms and standard form).
Q2: Three planets of identical mass m are interacting gravitationally (no other force). These planets are assumed to be at the vertices of the triangle with all sides of length L. Consider the motion of any one of the planets about the center of mass COM of the system, determine the special angular velocity that will keep L constant.

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