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johnny

Questions (142)

An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The
1. 6 answers
2. 2,334 views
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency
1. 5 answers
2. 1,612 views
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been
1. 1 answer
2. 1,309 views
At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
1. 2 answers
2. 995 views
A 72 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing,
1. 3 answers
2. 1,189 views
Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars
1. 1 answer
2. 707 views
A firefighter with a weight of 722 N slides down a vertical pole with an acceleration of 3.11 m/s2, directed downward.(a) What
1. 2 answers
2. 3,943 views
A 72 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing,
1. 1 answer
2. 907 views
A 38 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 16 m apart bu connected by a rope of negligible
1. 1 answer
2. 965 views
An object is hung from a spring balance attached to the ceiling of an elevator cab. The balance reads 60 N when the elevator is
1. 3 answers
2. 1,347 views
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency
1. 2 answers
2. 554 views
An electron has a constant acceleration of 2.0 m/s2. At a certain instant its velocity is 10.9 m/s.(a) What was its velocity 2.5
1. 1 answer
2. 450 views
The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The
1. 1 answer
2. 497 views
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been
1. 2 answers
2. 747 views
At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
1. 2 answers
2. 1,503 views
A mass M is split into two parts, m and M - m, which are then separated by a certain distance. What ratio m/M maximizes the
1. 2 answers
2. 981 views
The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of these two forces? (The average
1. 1 answer
2. 1,695 views
3-1/2y=8x what is the slope and y-intercept
1. 2 answers
2. 405 views
okay I need to find the slope for8x=7y+63
1. 1 answer
2. 326 views
whose philosophies do you think most advanced Western religiousthought.
1. 1 answer
2. 413 views
What is the difference between domain and range? Describe a real life situation that could be modeled by a function.
1. 0 answers
2. 581 views
What similarities and differences do you see between functions and linear equations, Are all linear equations functions? Is
1. 1 answer
2. 1,313 views
what is the slope and y-intercept of the line y= -2/3x-12
1. 3 answers
2. 454 views
A .288 g sample of an unknown monoprotic organic acid is dissolved in water and titrated with a .115 M sodium hydroxide
1. 3 answers
2. 3,315 views
If you are given a 2.0 M solution of sucrose, describe in detail how you would make the following solutions (include specific
1. 4 answers
2. 2,114 views
I have to do a powerpoint project about "Reducing Waste". Although Im stumped on how to organize it. So can someone think of an
1. 1 answer
2. 415 views
Suppose you are starting an office-cleaning service. You have spent $315. To clean an office, you use $4 worth of supplies. You
1. 1 answer
2. 927 views
Your math teacher tells you that next week's test is worth 100 points and contains 38 problems. Each problem is worth either 5
1. 2 answers
2. 1,376 views
I have to make a game based on theperiodic table Here are the standards we could put in the game: Students know how to relate
1. 0 answers
2. 716 views
I don't understand this paragraph, can anyone explain it to me?If a large amount of energy is needed to remove an electron from
1. 1 answer
2. 754 views
i don't understand this paragraph, can anyone explain it to me?If a large amount of energy is needed to remove an electron from
1. 1 answer
2. 1,159 views
what is the molecular structure around oxygen in water?
1. 1 answer
2. 397 views
x+2y=32x+3y=7
1. 1 answer
2. 274 views
Halleys Comet. Rmin =8.9 x 10^10 mPeriod of orbit = 2.4 x 10^9 sec 1)What is value of K for Halley's comet? 2)Whats the average
1. 0 answers
2. 457 views
Halleys Comet. Rmin =8.9 x 10^10 mPeriod of orbit = 2.4 x 10^9 sec 1)What is value of K for Halley's comet? 2)Whats the average
1. 2 answers
2. 811 views
what weighs a thousand pounds on monday but weightless by friday??...please help
1. 4 answers
2. 459 views
the hubble telescope has a mass of 1.5 x 10^4 kg and its orbiting the earth 596 km above the ground surface.the earths radius is
1. 1 answer
2. 1,030 views
Continue...previous questionb)what normal force would the car experience on the top of a circular hill of radius 20.0m when it
1. 1 answer
2. 419 views
A 2000 kg car negotiates a curve of radius 40.0m on a level road. The static friction coefficient between the tires and the
1. 2 answers
2. 712 views
what is an important theme in the odyssey,Part 2?Describe the events that illustrate this theme?You need to go to
1. 3 answers
2. 2,176 views
A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is
1. 0 answers
2. 856 views
A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is
1. 1 answer
2. 1,589 views

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