A planet is moving at constant speed in a circular orbit around a star. In one complete
Question:
A planet is moving at constant speed in a circular orbit around a star. In one complete orbit, what is the net amount of work done on the planet by the star’s gravitational force: positive, negative, or zero? What if the planet’s orbit is an ellipse, so that the speed is not constant? Explain your answers.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (16 reviews)
For a circular orbit the work done is zero We can see this in either of two ways ...View the full answer
Answered By
Dorcas Juliet
I am a proficient tutor and writer with over 4 years experience, I can deliver A+ works in all fields related to business and economics subject. Kindly hire me for excellent papers
4.70+
10+ Reviews
51+ Question Solved
Related Book For
University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
Question Posted:
Students also viewed these Physics questions
-
A swimming duck paddles the water with its feet once every 1.6 s, producing surface waves with this period. The duck is moving at constant speed in a pond where the speed of surface waves is 0.32...
-
A freight train consists of an engine and several identical cars on level ground. Determine whether each of these statements is correct or incorrect and explain why. (a) If the train is moving at...
-
Suppose that a typical automobile engine operates at an efficiency of 25%. One gallon of gasoline releases approximately 150 MJ of heat when it is burned. (A megajoule, MJ, is a million joules.) a....
-
Marcus is the HR manager for United Airlines, an Illinois-based company. One of his employees has recently become disabled and is unable to fulfill the essential functions of his current position,...
-
Mogadore Manufacturing had a 1.25 operating leverage factor when sales were $60,000. The company's contribution margin ratio was 25%. What were the company's fixed expenses?
-
Derive the equation for y D (t) for an SSB system assuming that the noise is expanded about the frequency f x = f c 1/2W. Derive the detection gain and (SNR) D . Determine and plot S nc (f) and S ns...
-
A single cylinder, four stroke C.I. engine has the following data : bore \(=10 \mathrm{~cm} ;\) stroke \(=11 \mathrm{~cm}\), brake torque \(=28 \mathrm{Nm}\), speed \(=1600 \mathrm{rpm} ;\) i.m.e.p....
-
How should Mr. Kitchen approach the current situation? What are the strengths and weaknesses of Trip 7?
-
Based on the information given answer the following: What Cape Fear could do to improve operations for 2022, and how their operations differ from Wilmington Health. Do not repeat information given in...
-
a. Richard and Anna Wilson are married and file a joint return, Richard is 47 years of age, and Anna is 46. Richard is employed by Telstar Corporation as its controller, and Anna is self-employed as...
-
There is strong evidence that Europa, a satellite of Jupiter, has a liquid ocean beneath its icy surface. Many scientists think we should land a vehicle there to search for life. Before launching it,...
-
Which takes more fuel: a voyage from the earth to the moon or from the moon to the earth? Explain.
-
Considering the insurance benefits needed to provide $ 40,000 over the next 15 years, plus the additional $ 330,000 of insurance coverage, what amount of insurance coverage is needed?
-
3. A battery-powered toy travelling at 2.2 m/s drives off a diving board which is at a height above the water. If the impact speed of the toy is 7.3m/s, find the height of the diving board above the...
-
The lowest resonant frequency, in a certain string clamped at both ends, is 50 Hz. When the string is clamped at its midpoint, what is the lowest resonant frequency? (Ans: 100 Hz)
-
Let's say an object moves along the x - axis with the following velocity given as, vx(t) = (a +43 t - 3y ++ 76 t5), where a, , y, and 8 are just constants. (A) Determine an expression for the...
-
9. An aluminum rod with resistivity, p, is shaped into a circular loop such that the rod diameter, d, is much smaller than the radius of the loop, a. The loop is placed in the presence of an...
-
The position of a particle is given by the vector 51 + 102. Find its distance from the origin. Express your answer correct to two decimal places. (the question is equivalent to asking what is the...
-
One of two alternatives will be selected to reduce flood damage in a rural community in central Arizona. The estimates associated with each alternative are available. Use B/C analysis at a discount...
-
Solve for the equilibria of the following discrete-time dynamical systems Pr pt+1 = Pr+2.0(I-Pr)
-
A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of the pencil lead 12.0 cm from the mirror surface and the end of the eraser 21.0 cm from the mirror...
-
The thin glass shell shown in Fig. E34.12 has a spherical shape with a radius of curvature of 12.0 cm, and both of its surfaces can act as mirrors. A seed 3.30 mm high is placed 15.0 cm from the...
-
A person swimming 0.80 m below the surface of the water in a swimming pool looks at the diving board that is directly overhead and sees the image of the board that is formed by refraction at the...
-
Once you've chosen your company or product, explain why you would not purchase from that company or that product. Be sure to give an argument making use of moral principles to support your statements.
-
What mechanisms do you employ to monitor and evaluate the effectiveness of strategic plans, utilizing key performance indicators (KPIs) and other performance measurement tools to gauge progress and...
-
Your elderly neighbor places a bag of corn kernels on your doorstep each morning. The first day, the bag contained 1 kernel of corn, the second day it contained 2 kernels of corn, 4 kernels of corn...
Study smarter with the SolutionInn App