subject

Physics, 29.08.2019 19:40 iajiborode8944

Why is the h-r diagram useful in plotting the life cycles of stars?

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 21.06.2019 21:00

The density of a liquid could be found by using

Answers: 2

question

Physics, 21.06.2019 22:40

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Answers: 2

question

Physics, 22.06.2019 08:00

Which notation is used to represent an alpha particle? a. b. c. d.

Answers: 1

question

Physics, 22.06.2019 08:40

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Answers: 1

You know the right answer?

Why is the h-r diagram useful in plotting the life cycles of stars?...

Questions

question

Mathematics, 13.12.2019 17:31

Sarah enjoys cutting lawns and charges $20 for each small lawn and $30 for each large lawn. sarah earned $140 for mowing 6 yards. write a system of eq...

question

Mathematics, 13.12.2019 17:31

What is the sum of the series? ∑i=153i enter your answer in the box....

question

Mathematics, 13.12.2019 17:31

The width of a rectangular garden is 9 feet, and its length is 12 feet. three of these expressions equal the perimeter of the garden, in feet. which e...

question

Mathematics, 13.12.2019 17:31

If the average(arithmetic mean) of 5 and r is 7 and the average of 3 and s is 3 , what is the average of r and s? a) 3 b) 5 c) 6

question

Business, 13.12.2019 17:31

There is a plan to install a continuous loop conveyor system with a total length of 1000 ft and a speed of 50 ft/min. the conveyor will have carriers...

question

Physics, 13.12.2019 17:31

Asolid conducting sphere of radius r carries a charge q. calculate the electric-field energy density at a point a distance r from the center of the sp...

question

Business, 13.12.2019 17:31

There are only three stocks in the economy. stock a has 20 shares outstanding and a price per share of $10. stock b has 15 shares outstanding and a pr...

question

Business, 13.12.2019 17:31

The four perspectives in the balanced scorecard are (1) financial, (2) customer, (3) internal process, and (4) learn...

question

Business, 13.12.2019 17:31

You've worked out a line of credit arrangement that allows you to borrow up to $55 million at any time. the interest rate is 0.55 percent per month. i...

question

Business, 13.12.2019 17:31

Mary cooper just purchased 180 shares in the all-american fidelity fund. the purchase cost for each share was $13. if this fund charges a 3 percent lo...

question

Physics, 13.12.2019 17:31

At a festival, spherical balloons with a radius of 140.cm are to be inflated with hot air and released. the air at the festival will have a temperatur...

question

Physics, 13.12.2019 17:31

Two cylinders with the same mass density rc = 713 kg / m3 are floating in a container of water (with mass density rw = 1025 kg / m3). cylinder #1 has...

question

Business, 13.12.2019 17:31

Pearl, inc. has prepared the operating budget for the first quarter of the year. the company forecast sales of $45,000.00 in january, $55,000.00 in fe...

question

Business, 13.12.2019 17:31

On january 3, 2011, austin corp. purchased 25% of the voting common stock of gainsvilleco., paying $2,500,000. austin decided to use the equity method...

question

Mathematics, 13.12.2019 17:31

The following data represent the discrete probability distribution for the number of stars that reviewers have a first edition statistics reference bo...

question

Business, 13.12.2019 17:31

"proceeds" from the sale of bonds represent a. the amount of the debit to cash in the journal entry recording the sale. b. the amo...

question

Computers and Technology, 13.12.2019 17:31

Suppose you have a risc machine with a 2.8 ghz clock (i. e., the clock ticks 2.8 billion times per second). this particular computer uses an instructi...

question

Biology, 13.12.2019 17:31

In experiment 5, how did the shape of the epidermal cells in the outer skin surface slide compare to the shape of the epidermal cells in the skin cros...

question

History, 13.12.2019 17:31

As one of the most constructive pieces of military legislation ever adopted in the united states, the national defense act of 1920 rejected the theory...

question

Social Studies, 13.12.2019 17:31

An experiment on the phonemic restoration effect would most likely include: a) two similar-sounding letters (e. g., "t" and "c"). ...

More questions: Physics Another questions