Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Mar 25, 2021

Mara and Ana are twins who are 30 years old. Maria undertakes a round trip to the star Sirius, located 8.7 light years from Earth,

María and Ana are twins who are 30 years old. Maria undertakes a round trip to the star Sirius, located 8.7 light years from Earth, at a speed of 0.95 · c. How old will the two sisters be when Mary returns to Earth?

Step by Step Solution

★★★★★

3.57 Rating (164 Votes )

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

College Physics

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

7th edition

9780321571113, 321601831, 978-0321601834

More Books

Students also viewed these Physics questions

Question

★★★★★

A star is know to be moving away from Earth at a speed of 4 X 104 m/s. This speed is determined by measuring the shift of the Ha line ( = 656.3nm). By how much and in what direction is the shift of...

Answered: 1 week ago

Question

★★★★★

A star is moving away from Earth at a speed of 2.4 108 m/s. Light of wavelength 480 nm is emitted by the star. What is the wavelength as measured by an Earth observer?

Answered: 1 week ago

Question

★★★★★

A spaceship, moving away from Earth at a speed of 0.900c, reports back by transmitting at a frequency (measured in the spaceship frame) of 100MHz. To what frequency must Earth receivers be tuned to...

Answered: 1 week ago

Question

★★★★★

Modify BST to add a method rangeCount() that takes two keys as arguments and returns the number of keys in a BST between the two specified keys. Your method should take time proportional to the...

Answered: 1 week ago

Question

★★★★★

In the Solow model, how does the rate of population growth affect the steady-state level of income? How does it affect the steady-state rate of growth?

Answered: 1 week ago

Question

★★★★★

According to the Electronic Industries Association, questionable returns have become the toughest problem plaguing the consumer electronics industry. Some consumers purchase electronic equipment to...

Answered: 1 week ago

Question

★★★★★

Would you be willing to work with them?

Answered: 1 week ago

Question

★★★★★

Woodland Hotels, Inc., operates four resort hotels in the heavily wooded areas of northern California. The resorts are named after the predominant trees at the resort: Pine Valley, Oak Glen, Mimosa,...

Answered: 1 week ago

Question

★★★★★

Separate customer accounts receivable are called subsidiary accounts. True False

Answered: 1 week ago

Question

★★★★★

The balances in the general ledger accounts of Thunder Graphics are shown below. Instructions On the forms provided in your working papers: 1 . Open the accounts in the general ledger with their...

Answered: 1 week ago

Question

★★★★★

I am looking for a financial mathematics teacher who speaks Spanish to help me with the resolution of an exm on the subject and to get in touch to coordinate the payment and the means of sending the...

Answered: 1 week ago

Question

★★★★★

a) Based on your understanding, what is product decision? (3 marks) (CLO1:PLO1:C2) b) Draw & explain about the 'Product Life Cycle' (12 marks) (CLO2:PLO1:C2)

Answered: 1 week ago

Question

★★★★★

Q1 The following monthly budgeted data are available for the Stark Company: Sales Variable expenses Contribution margin Product A Product B Product C $500,000 $300,000 $900,000 300,000 210,000...

Answered: 1 week ago

Question

★★★★★

Air at 80 and 14.5 psia flows into a hair dryer and is heated by an electrical heating element. Hot air at 176 leaves the dryer through a 2 inch diameter outlet at a volume flow rate of 1.51 ft3/s...

Answered: 1 week ago

Question

★★★★★

How is data analytics being used to enhance food and beverage services in the hospitality industry, particularly in fine dining establishments? please provide a citation

Answered: 1 week ago

Question

★★★★★

Mini-Case: Watch Out All Retailers, Here Comes Amazon; Watch Out Amazon, Here Comes Other Competitors Amazon's sales in 2014 were $88.99 billion, an increase of 19.4 percent over 2013. In fact, its...

Answered: 1 week ago

Question

★★★★★

Richards Corporation uses the weighted-average method of process costing. The following information is available for October in its Fabricating department: Production cost information for the...

Answered: 1 week ago

Question

★★★★★

A company produces earbuds. The revenue from the sale of x units of these earbuds is R = 8x. The cost to produce x units of earbuds is C = 3x + 1500. In what interval will the company at least break...

Answered: 1 week ago

Question

★★★★★

A series RLC circuit has a resistance of 25-, a capacitance of 0.80F, and an inductance of 250 mH. The circuit is connected to a variable-frequency source with a fixed rms voltage output of 12 V. If...

Answered: 1 week ago

Question

★★★★★

An airplane is flying at 150 mi/h (its speed in still air) in a direction such that with a wind of 60.0 mi/h blowing from east to west, the airplane travels in a straight line southward. (a) What...

Answered: 1 week ago

Question

★★★★★

A Gaussian surface has sixteen field lines leaving it when it surrounds a point charge of + 10.0C and seventy-five field lines entering it when it surrounds an unknown point charge. (a) The magnitude...

Answered: 1 week ago

Question

★★★★★

Sandy was a juror in the trial for a man accused of stealing guns from a sporting goods store. The defendant was not very well-spoken and came from a very poor background, but Sandy listened...

Answered: 1 week ago

Question

★★★★★

Which of the following represents the affective component of an attitude? a. I love to go to the clubsit makes me so happy! b. Tonight, were going to that new club downtown. c. It is interesting to...

Answered: 1 week ago

Question

★★★★★

How might someone who unknowingly is committing the fundamental attribution error explain Stanley Milgrams obedience study? a. Subjects in that study were highly influenced by the power of Milgram...

Answered: 1 week ago

Previous Question Next Question