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Which one of these statements concerning elastic collisions is FALSE?Select one: a. The two objects remain together after
1. 1 answer
2. 587 views
You shoot a 57 gram dart vertically upwards from a catapult with a spring constant of 379 N/m. The catapult is initially
1. 0 answers
2. 547 views
Which one of these statements regarding non-conservative forces is FALSE?Select one: a. A non-conservative force cannot have a
1. 3 answers
2. 1,043 views
Which one of these statements concerning elastic collisions is FALSE?Select one: a. The two objects remain together after
1. 1 answer
2. 607 views
Which one of these statements regarding non-conservative forces is FALSE?Select one: a. A non-conservative force cannot have a
1. 0 answers
2. 839 views
At a certain undisclosed place (probably not on Earth) an Atwood's like experiment gives the graph of 1/t2 vs Δm the slope is
1. 0 answers
2. 354 views
For the system on the diagram, the string is massless, and slides over the pulley without friction. The masses are m1 = 5.7kg
1. 1 answer
2. 490 views
A force 457 Newtons causes a displacement 6.2 metres which is at an angle of 8 degrees to the direction of the force vector.
1. 1 answer
2. 466 views
A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres.What is the
1. 1 answer
2. 536 views
What work is done by a friction force acting on an object?Select one: a. Always negative b. Always positive c. May be positive
1. 1 answer
2. 547 views
You push your backpack, mass 2.8 kg across the desk with a force of 49.3 N. Calculate the acceleration of the backpack. Neglect
1. 1 answer
2. 811 views
What would happen if I did not give a access specifier. Would the class method or attribute be accessible to all other classes?
1. 1 answer
2. 486 views
(a) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find
1. 0 answers
2. 738 views
Gamma rays (γ-rays) are high-energy photons. In a certain nuclear reaction, a γ-ray of energy 0.306 MeV (million
1. 1 answer
2. 744 views
which is larger .007 or .700
1. 2 answers
2. 1,490 views
The profit obtained when x barbecues are sold isP(x) = 100 x − 3x^2 (lnx) dollars . Find the marginal profit when 4 are sold.
1. 2 answers
2. 475 views
What is the homonym for do?
1. 2 answers
2. 465 views
the rotation of earth is a period of 86164 seconds. the earth has a radius of 6380 km. how fast would you be moving due to
1. 0 answers
2. 731 views
if I weigh 177 lb on a stationary scale and stand on that same scale inside an elevator going up at an acceleration of 12 ft/s^2
1. 1 answer
2. 630 views
if I weigh 177 lb on a stationary scale and stand on that same scale inside an elevator going up at an acceleration of 12 ft/s^2
1. 1 answer
2. 651 views
eight burglary suspects, two of whom are guilty, are placed in a line up. suppose that a witness is asked to identify the two
1. 0 answers
2. 896 views
bill and bob are both on the roof of a building 176.4 m high. bill drops a penny straight down at the same instant, bob throws a
1. 0 answers
2. 504 views
bill and bob are both on the roof of a building 176.4 m high. bill drops a penny straight down at the same instant, bob throws a
1. 0 answers
2. 930 views
How is a parent generation of a fern different from the generation that comes before or after it?
1. 0 answers
2. 586 views
Consider a spacecraft whose engines cause it toaccelerate at 5.0 m/s2. (a) What would be the spacecraft’s acceleration at a
1. 2 answers
2. 862 views
A 78-kg parachutist, in the first few secondsof her jump, accelerates at a rate of 7.4 m/s2 [down]. Calculate the force she
1. 1 answer
2. 1,000 views
A dolphin experiences a force of 320 N [up]when it jumps out of the water. The acceleration of the dolphin is 2.6 m/s 2 [up].
1. 2 answers
2. 1,538 views
The Moon has a mass of 7.35 � 1022 kg and itsequatorial radius is 1.74 � 106 m. Earth’s mass is 5.97 � 1024 kg and its
1. 1 answer
2. 2,417 views
Calculate the time required for an astronaut tofree-fall 50 m on the Moon. Please show and explain steps answer is 7.9s
1. 1 answer
2. 682 views
A 7.50-kg turkey standing at the top ofIshpatina Ridge, at 693 m the highest point in Ontario, weighs 73.5 N [down]. Calculate
1. 1 answer
2. 1,144 views
At the 2004 Olympic Games in Athens, DwightPhillips won the gold medal in men’s long jump with a jump of 8.59 m. If the angle
1. 2 answers
2. 2,186 views
a football is thrown to a moving receiver .the football leaves the quarterback's hands 1.75m above the ground with a velocity of
1. 1 answer
2. 927 views
a football is thrown to a moving receiver .the football leaves the quarterback's hands 1.75m above the ground with a velocity of
1. 1 answer
2. 2,540 views
A solid sphere rolls without slipping from rest down a plane at 4.00m long inclined at an angle of 42 degrees with respect to
1. 1 answer
2. 885 views
how do u write a summery
1. 2 answers
2. 389 views
my teacher told me to find something funny about brooklyn. i spent 2 1/2 hours in looking for it but couldn't find anything.
1. 3 answers
2. 506 views
orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a
1. 0 answers
2. 504 views
How many moles S are required to prepare 800 liters of SO2 gas in a synthesis reaction?
1. 0 answers
2. 396 views
One train left the station and traveled toward its destination at a speed of 65 miles per hour. Later, another train left the
1. 1 answer
2. 783 views
Following the Spanish -American War. and espeacially in regard to American occupation of the philippines, most anti-imperialists
1. 1 answer
2. 1,299 views
If a pencil costs 300% more than an eraser and the eraser costs 25 cents, what is the cost of the pencil?
1. 1 answer
2. 513 views
Which of the following is true with regards to The Navigation Acts by the eighteenth century?A- In general, the colonist
1. 1 answer
2. 735 views
A standard die is rolled three times. What is the probability that a prime numberis rolled on exactly one of the three rolls?
1. 1 answer
2. 536 views
1. Which set represents a Pythagorean triple?A:2,5,6 B:6,8,10 C:8,8,128 D:8,10,256 2. What is the hypotenuse of a right triangle
1. 2 answers
2. 574 views
How much energy is stored in a 9V battery rated at 10 A hour?
1. 1 answer
2. 426 views
A 150-L water heater is rated at 8 kW .If 20 percent of its heat escapes, how long does the heater take to raise the temperature
1. 0 answers
2. 933 views
what is 21/2 x 1/2
1. 1 answer
2. 279 views
A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of
1. 0 answers
2. 501 views
When 1 g of gasoline is burned in an engine, about 48 kJ of heat is produced. How much mass is lost in the process? Do you think
1. 1 answer
2. 1,153 views
The acceleration of gravity on the surface of Venus is 8.9m/s^2. Would a ball thrown upward on Venus return to the ground sooner
1. 1 answer
2. 2,543 views
A force of 20 N gives an object an acceleration of 5m/s^2. (a) What force would be needed to give the same object an
1. 0 answers
2. 811 views
1. A 16-foot ladder on ground level is leaning against a house. If the base of the ladder is placed 5.0 feet from the house,
1. 2 answers
2. 1,126 views
ms.sue,thank you for the answer, but i have to discribe the things Juan Ponce De Leon discovered in his journey to the new land!
1. 1 answer
2. 1,015 views
what did Juan Ponce De Leon discover in his journey to the new world: plants,animals,people,land?
1. 1 answer
2. 529 views
If a hiker walks trail B (1 mile in length) at 6 mph and trail C (3 mils in length) at 2 mph, what is the hiker's overall
1. 1 answer
2. 1,071 views
Jerome, Kevin, & Seth shared a submarine sandwich. Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich and Seth ate
1. 3 answers
2. 4,733 views
matching graphs inequailty
1. 1 answer
2. 759 views
how do you find out the vertex when graphing inequalities of quadratics in equations like this y<x^2-16it factors out to like
1. 0 answers
2. 438 views
another word for nothing more than? For example, if you say that advice is nothing more than
1. 1 answer
2. 903 views
how is 7-3i + 7+3i = 14/1we're doing sum and product of roots, and i don't get how this is equal to 14
1. 2 answers
2. 396 views
4x/5-x=x/15-20/3=
1. 1 answer
2. 253 views
What is the angular momentum of a figure skater spinning at 4.4 with arms in close to her body, assuming her to be a uniform
1. 0 answers
2. 510 views
A class of 11 students taking an exam has a power output per student of 122 W. Assume that the initial temperature of the room
1. 1 answer
2. 930 views
If a water heater has a capacity of 54.4 gallons and a 4910 W heating element, how much time is required to raise the
1. 1 answer
2. 705 views
Fe(s) +Pb^2 (aq)---->Fe ^2+ (aq) +Pb(s) which reactant has been oxidized
1. 1 answer
2. 431 views
in the recent presidential election, romney's comment "binders full of woman" really offended people. why were people so
1. 1 answer
2. 466 views
13. Scan this line from Cowley's poem: "its hills bent low within my reach." How many feet does this line contain?A. 5 B. 7 C. 6
1. 4 answers
2. 792 views
5. As we find with most songs, in poetry[A. there's no specific point of view.] B. each couplet must rhyme. C. sound and content
1. 2 answers
2. 787 views
2. In The Call of the Wild, the bond between Buck and Thornton is best explained by observing thatA. dog and man were like
1. 3 answers
2. 960 views
what fraction of an original sample of a radioactive isotope remains after three half-lives have passed?1/8?
1. 1 answer
2. 660 views
A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the
1. 2 answers
2. 6,735 views
4. Which pope wanted Christians to unite to redress what he saw as an imbalance of power between Christianity and Islam?A. Pope
1. 2 answers
2. 1,362 views
13. _______ was the first thinker to postulate that numbers are real, not abstractions.A. Hui Shih [B. Pythagoras] C. Parmenides
1. 1 answer
2. 404 views
12. The Chinese philosopher Xunzi wrote that if a person attempted to cure rheumatism by beating a drum and sacrificing a pig to
1. 5 answers
2. 489 views
11. Which of the following is not one of the new thoughts of or about God that were formulated in the Axial Age?A. Many Gods B.
1. 1 answer
2. 1,138 views
8. What strategy did Buddhist and Christian missionaries employ to spread their faith that Muslims didn't?A. Conversion of kings
1. 2 answers
2. 492 views
7. In the development of the Roman Empire, the Romans treated citizenship asA. a benefit worthy only of peoples who had freely
1. 5 answers
2. 1,428 views
6. After its conquest by Alexander the Great, the government of the Persian EmpireA. was transformed into a democratic monarchy.
1. 1 answer
2. 630 views
5. What religion, which had potentially universal appeal, was created by Gautama Siddhartha in India?[A. Buddhism] B. Hinduism
1. 1 answer
2. 629 views
3. What geographic feature at times made life difficult for the Moche of South America?A. Mountains [B. Desert] C. Lack of
1. 2 answers
2. 1,169 views
2. In forming his government, Asoka recruited what group to serve as bureaucrats?A. Traditional Brahman elites [B. The Buddhist
1. 1 answer
2. 525 views
1. Which of the following were major items of trade in the West African states of Ghana and Gao?A. Bananas and copper B. Cacao
1. 1 answer
2. 797 views
6. During division in cellular reproduction, the DNA and cytoplasm of the parent cell is distributed to twoA. chromosomes. B.
1. 0 answers
2. 454 views
The metabolic oxidation of glucose, C6H12O6, in our bodies produces CO2, which is expelled from our lungs as a gas.C6H12O6(aq) +
1. 1 answer
2. 2,658 views
explain why elements in a group on the periodic table have similar chemical properties?
1. 0 answers
2. 490 views
She will always see the truthan adverb is "always" or "will always"? please help
1. 1 answer
2. 294 views
In "The Adventure of Dying Detective" what is Mr. Culbertson Smith's motivation?A) To become Sherlock Holmes' partner B) To kill
1. 0 answers
2. 1,025 views
In The Adventure of Dying Detective,it is true Inspector morton was signaled to come to sherlock Holmes' room when watson yelled
1. 0 answers
2. 432 views
can someone explain how to do this problem, please.6x^2 + 13x +2 + 0
1. 2 answers
2. 317 views
A photocell is a device used to measure the intensity of light. In a certain experiment, when light of wavelength 530 nm is
1. 0 answers
2. 568 views
8. Often applied to politicians, the term _______ suggests hiding one's feelings while obscuring or "spinning" facts.A. simulate
1. 2 answers
2. 604 views
13. One who is intrepid[A. is brave and fearless.] B. is reckless and foolhardy. C. practices self-honesty. D. doesn't stumble
1. 1 answer
2. 371 views
9. A person described as perspicacious is[A. smart and perceptive.] B. inclined to be optimistic. C. inclined to be pessimistic.
1. 1 answer
2. 402 views
4. Someone who is urbane isA. tireless. B. poised. C. witty. [D. friendly.]
1. 3 answers
2. 322 views
19. The treatment based on the theory of pressure on blood vessels and nerves isA. osteomyelitis. B. chiropody. [C. osteopathy.]
1. 1 answer
2. 389 views
18. Which of the following sentences is grammatically correct?A. That field belongs to my wife and I. B. My brother Billy and me
1. 1 answer
2. 591 views
3r/4=1/3 what is r please explain
1. 1 answer
2. 275 views
Tom has somee cubes that are two proudest cm on each side. How many of them will fit into a box that is a cube with each side
1. 1 answer
2. 424 views
18. John and I are going to the store. Would you like to come along with[A. me and him?] B. I and him? C. him and I? D. him and
1. 3 answers
2. 328 views
17. Psyche, the Greek root of "psychology" and "psychosis" meansA. diseased condition. [B. mind or spirit.] C. medical healing.
1. 1 answer
2. 533 views

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