subject

Physics, 13.12.2021 20:30 juanmias

PLEASE HELP 25 PTS A 91 kg hockey player is skating at 5.50 m/s. Another hockey player of equal mass, moving at 8.1 m/s in the same direction, hits him from behind. They slide off together. a. What is the total mechanical energy and momentum of the system before the collision? b. What is the velocity of the two hockey players after the collision? c. How much was the system’s kinetic energy decreased in the collision?

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 03:00

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Answers: 1

question

Physics, 22.06.2019 06:30

=force × distance a. work b. velocity c. pressure d. momentum

Answers: 1

question

Physics, 22.06.2019 09:30

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

Answers: 2

question

Physics, 22.06.2019 15:30

What is a subatomic particle with a negative charge and very little mass?

Answers: 1

You know the right answer?

PLEASE HELP 25 PTS A 91 kg hockey player is skating at 5.50 m/s. Another hockey player of equal mass...

Questions

question

Mathematics, 12.03.2020 06:35

As part of her architecture project. Amira built a replica of the Dome of the Rock. It is an octagonal prism with a hemispherical dome situated in the...

question

Business, 12.03.2020 06:35

"The 12% bonds payable of Keane Co. had a carrying amount of $832,000 on December 31, 2006. The bonds, which had a face value of $800,000, were issued...

question

English, 12.03.2020 06:35

1. Select one of the stories or poems in this unit and identify the author's purpose for writing. Then, identify the theme of that same story or poem....

question

Mathematics, 12.03.2020 06:35

8 g(x)=−3x−8g, left parenthesis, x, right parenthesis, equals, minus, 3, x, minus, 8 g ( g(g, left parenthesis ) = 10 )=10right parenthesis, equals, 1...

question

Business, 12.03.2020 06:35

Some firms find it attractive to target "niches" because: Group of answer choices There are more potential customers in niches. Niches are typically l...

question

Biology, 12.03.2020 06:35

Some operons have both a positive and negative control mechanism built into the DNA sequence of the operon. That means both an activator protein and a...

question

Mathematics, 12.03.2020 06:35

Write the equation of a line in slope intercept form that contains the points (-5,-4) and (-4,-5)....

question

Mathematics, 12.03.2020 06:36

13 Yachts A and B depart from the same point. Yacht A sails 11 km on the bearing 034°. Yacht B sails 14 km on the bearing 124°...

question

Business, 12.03.2020 06:36

1) An investment will pay $205,000 at the end of next year for an investment of $183,000 at the start of the year. If the market interest rate is 8% o...

question

Physics, 12.03.2020 06:36

If you assume that EF = 0.65 eV, calculate the occupation probability for an electron at room temperature (300K) and at an energy of E = 2EF. Give a n...

question

Business, 12.03.2020 06:36

Characteristic Component Symbol Over the past several years, Germany, Japan, and Switzerland have had lower interest rates than the United States due...

question

Computers and Technology, 12.03.2020 06:36

"Write a program that displays the appropriate shipping charge based on the region code entered by the user. To be valid, the region code must contain...

question

History, 12.03.2020 06:36

1. Write three journal entries from the perspective of a delegate to the Constitutional Convention. Date each entry. Address each of these topics in o...

question

Engineering, 12.03.2020 06:36

/* Function findBestVacation * duration: number of vacation days * prefs: prefs[k] indicates the rate specified for game k * plan: array with 366 posi...

question

Mathematics, 12.03.2020 06:36

Rewrite each sum as a single rational number. -12 + (-8/9)...

question

Mathematics, 12.03.2020 06:36

You solve a system of two linear equations by substitution. Your work results in a third equation, which leads you to conclude that the system has inf...

question

History, 12.03.2020 06:36

1. How did the Zulu Kingdom rise to power? (Topic 6.3)...

question

Engineering, 12.03.2020 06:36

(d) Suppose two students are memorizing a list according to the same model dL dt = 0.5(1 − L) where L represents the fraction of the list that is memo...

question

English, 12.03.2020 06:36

1 Point Which type of logical fallacy does the following sentence show? The Lord of the Rings is my favorite trilogy because it's so...

question

Business, 12.03.2020 06:36

Which of the following items should be capitalized in the cost of equipment? Installation and testing of equipment Freight to deliver the equipment In...

More questions: Physics Another questions