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A 70.3-kg person puts on a life jacket, jumps into the water, and floats. The jacket has a volume of 3.07 x 10-2 m3 and is
1. 1 answer
2. 666 views
A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to
1. 0 answers
2. 972 views
The drawing shows a 156-kg crate hanging from the end of a steel bar (S = 8.1 x 1010 N/m2). The length of the bar is 0.117 m,
1. 1 answer
2. 2,468 views
A dynamics cart with a mass of 1.70kg on a horizontal table is attached to a suspended mass of 0.40kg and released from rest. If
1. 0 answers
2. 535 views
A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the
1. 0 answers
2. 1,162 views
A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore
1. 1 answer
2. 1,311 views
A man holds a 185-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position
1. 1 answer
2. 1,537 views
The wheels, axle, and handles of a wheelbarrow weigh W = 57 N. The load chamber and its contents weigh WL = 674 N. The drawing
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2. 757 views
A beam of particles is directed at a 0.017-kg tumor. There are 2.4 x 1010 particles per second reaching the tumor, and the
1. 0 answers
2. 555 views
A space station consists of two donut-shaped living chambers, A and B, that have the radii shown in the figure. As the station
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2. 1,244 views
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the
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2. 740 views
Suppose the surface (radius = r) of a cylindrical space station is rotating at 29.1 m/s to provide artificial gravity. What must
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2. 8,708 views
Curve A is banked at 11.2 °, and curve B is banked at an angle of 15.2 °. A car can travel around curve A without relying on
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2. 591 views
Car A uses tires for which the coefficient of static friction is 0.333 on a particular unbanked curve. The maximum speed at
1. 3 answers
2. 1,287 views
A ball is dropped from rest at the top of a 5.89-m-tall building, falls straight downward, collides inelastically with the
1. 2 answers
2. 1,472 views
A 2.20-kg ball, moving to the right at a velocity of +1.27 m/s on a frictionless table, collides head-on with a stationary
1. 4 answers
2. 2,565 views
A 220-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 26.6°
1. 1 answer
2. 5,611 views
A rocket blasts off from rest and attains a speed of 59.4 m/s in 14.1 s. An astronaut has a mass of 66.7 kg. What is the
1. 1 answer
2. 535 views
solve:cot(2theta/3)= -sqrt3 Please help, I don't know how to start and how to set it up.
1. 2 answers
2. 2,337 views
A rocket blasts off from rest and attains a speed of 59.4 m/s in 14.1 s. An astronaut has a mass of 66.7 kg. What is the
1. 0 answers
2. 555 views
The mass of a robot is 6930 kg. This robot weighs 2520 N more on planet A than it does on planet B. Both planets have the same
1. 3 answers
2. 1,737 views
A ball is thrown upward at a speed v0 at an angle of 59.0¢ª above the horizontal. It reaches a maximum height of 7.5 m. How
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2. 619 views
An airplane with a speed of 85.3 m/s is climbing upward at an angle of 45.0 ° with respect to the horizontal. When the plane's
1. 2 answers
2. 520 views
An airplane with a speed of 85.3 m/s is climbing upward at an angle of 45.0 ° with respect to the horizontal. When the plane's
1. 1 answer
2. 491 views
An Olympic long jumper leaves the ground at an angle of 18.7 ° and travels through the air for a horizontal distance of 7.04 m
1. 1 answer
2. 1,244 views
An airplane with a speed of 85.3 m/s is climbing upward at an angle of 45.0 ° with respect to the horizontal. When the plane's
1. 1 answer
2. 549 views
A tennis ball is struck and departs from the racket horizontally with a speed of 26.4 m/s. The ball hits the court at a
1. 1 answer
2. 630 views
Lola is placing appetizers on plates She has 63 spring rolls and 84 cheese cubes She wants to include both appetizers on each
1. 4 answers
2. 756 views
A tennis ball is struck and departs from the racket horizontally with a speed of 26.4 m/s. The ball hits the court at a
1. 1 answer
2. 895 views
A tennis ball is shot vertically upward in an evacuated chamber inside a tower with an initial speed of 20.0 m/s at time t = 0
1. 1 answer
2. 4,770 views
The depth of the ocean is sometimes measured in fathoms (1 fathom = 6 feet). Distance on the surface of the ocean is sometimes
1. 2 answers
2. 1,266 views
The depth of the ocean is sometimes measured in fathoms (1 fathom = 6 feet). Distance on the surface of the ocean is sometimes
1. 1 answer
2. 617 views
The depth of the ocean is sometimes measured in fathoms (1 fathom = 6 feet). Distance on the surface of the ocean is sometimes
1. 1 answer
2. 719 views
If 309 J of heat are removed from 10.0 g of ice (specific heat = 2.06 J/gºC) at -5.5 ºC, what is the final temperature of the
1. 3 answers
2. 1,643 views
A car is traveling along a straight road at a velocity of +27.7 m/s when its engine cuts out. For the next 1.94 seconds, the car
1. 0 answers
2. 599 views
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration
1. 1 answer
2. 860 views
Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an
1. 1 answer
2. 543 views
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 11.0 m/s in 2.58 s.
1. 2 answers
2. 6,563 views
4t-3s^2+s^3 for t=-2 and s=-34(-2)-3(-3)^2+(-3)^3 -8-3(-9)+(-27) -8-(-27)+(-27)=-8 Am I right?
1. 1 answer
2. 310 views
In a random sample of students at a middle school, 24 wanted to change the mascot, and 30 wanted to keep the current mascot.
1. 2 answers
2. 977 views
Benzene sulfonic acid, C6H5SO3H, is a strong acid and will neutralise sodium hydroxide solution (a 1:1 molar ratio). Benzene
1. 1 answer
2. 865 views
1. What is the Right Riemann Sum for f(x)=x−3 over the interval [8,11], with n=3 rectangles of equal width?2. What is the
1. 1 answer
2. 1,159 views
A rectangular rug has a base b and a height h, with a perimeter of 30 feet. Both b and h are both whole numbers between 5 and 10
1. 1 answer
2. 1,137 views
a glass lens has a convex surface with a radius 25.0 cm and a concave surface with radius 50.0 cm with the glass refraction =
1. 1 answer
2. 1,270 views
What capacitance in needed in series with an 785 µH inductor to form a circuit that radiates a wavelength of 199 m?
1. 1 answer
2. 447 views
I'm writing an essay and need help coming up with economic reasons to to be against Caps on Punitive Damages. Google is not
1. 3 answers
2. 508 views
Find the limit.lim 5-x/(x^2-25) x-->5 Here is the work I have so far: lim 5-x/(x^2-25) = lim 5-x/(x-5)(x+5) x-->5 x-->5 lim
1. 0 answers
2. 1,195 views
What is the domain of f(x)= (x-3)/(x^2-9)?lim f(x) x->3
1. 2 answers
2. 513 views
*Trying to laugh as quietly as possible*, Lucas snuck out of the kitchen.A. Prepositional phrase B. Gerund phrase C. Participial
1. 5 answers
2. 809 views
If the calibration curve for a Beer's Law plot of a protein assay had a slope of 0.433 when absorb acne, A, was plotted as a
1. 3 answers
2. 576 views
If the calibration curve for a Beer's Law plot of a protein assay had a slope of 0.433 when absorb acne, A, was plotted as a
1. 0 answers
2. 587 views
What other factors or characteristics could be used, along with anatomical features, to construct the cladogram for the animals
1. 0 answers
2. 857 views
A protein sample is diluted 5-fold before measuring the protein concentration in a protein assay. In the protein assay, the
1. 1 answer
2. 568 views
BSA stock solution A has a concentration of 3.50 mg/mL.1.00mL of stock solution A is diluted to a final volume of 5.00mL to
1. 1 answer
2. 1,075 views
Prove:sin2x*sinx/2cosx + cos^2 0 = 1
1. 2 answers
2. 512 views
Convert the concentration of CoCl2 from 22.0 mg/mL into molarity.
1. 1 answer
2. 416 views
Solve the system by substitution or elimination.x^2 + 2y^2 = 8 x^2 - y^2 = 1
1. 6 answers
2. 540 views
Use the given plan to write a two-column proof of the Symmetric Property of Congruence.Given: segment AB ≅ segment EF Prove:
1. 1 answer
2. 1,526 views
Both Nietzche and Wittgenstein raise the issue of the morality of morality. In other words, they ask "Why should someone be
1. 0 answers
2. 438 views
Giselle has $5.90 dollars in quarters and nickles. If Giselle has 16 more nickles than quarters, how many quarters does Giselle
1. 1 answer
2. 409 views
A gas absorbs 25kj of heat and does 12kj of work calculate (triangle) E
1. 1 answer
2. 1,492 views
The body of multicellular animals (salamanders, frogs and so on) is made of more than hundreddifferent kinds of somatic cells.
1. 0 answers
2. 1,090 views
A savings account opened 3 months ago now has a balance of Rs. 20,400. If the bank pays 8 percent p.a. Simple interest, how much
1. 0 answers
2. 529 views
can you shorten it now:Living in India with rich and vibrant colors exotic, expressive, and aromatic; what could the doves
1. 1 answer
2. 520 views
Is it possible if you can shorten the text:Perindnes Tree, its sweet fruit throughout the tree is remarkably pleasing; a
1. 1 answer
2. 711 views
I need a few suggestions of store names. Its a grocery store in Manhattan. Thx
1. 1 answer
2. 560 views
If a supersaturated sugar solution is allowed to evaporate slowly, sugar crystals form in the container. Hence, sugar molecules
1. 1 answer
2. 1,459 views
A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal
1. 1 answer
2. 503 views
Consider a piece of metal that is at 5 deg C. If it is heated until it has twice the internal energy, its temperature will be.a)
1. 2 answers
2. 2,008 views
9. In which system is heat usually transferred from the cooler part to the warmer part?a. A stove as it heats up water. b. A
1. 0 answers
2. 999 views
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
1. 1 answer
2. 706 views
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by
1. 0 answers
2. 530 views
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by
1. 1 answer
2. 591 views
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
1. 0 answers
2. 655 views
Lead has a density of 11300 kg/m^3 at 0 degrees celcius. What is the density of lead at 90 degrees celcius?
1. 2 answers
2. 2,700 views
Assuming evey year is 365 days, and that you were counting one dollar each second,how long would it take to count 3.803 trillion
1. 1 answer
2. 467 views
A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 400,000 W of power and is in contact
1. 0 answers
2. 923 views
Given three Strings, str1, str2 and str3, return the longest String. If all three Strings have the same length, return "same".
1. 0 answers
2. 1,025 views
At what point of a plot does the action wind down to reveal the effects of the action or decision?climax exposition falling
1. 4 answers
2. 904 views
Which West African kingdom was the first to benefit from the gold and salt trade?Ghana Songhai Mali Morocco My answer is Ghana.
1. 2 answers
2. 802 views
Choose an ecosystem to research with regard to abiotic factors and how organisms in that particular ecosystem depend on those
1. 1 answer
2. 1,337 views
Cans of regular Coke are labeled as containing 12.Statistics students weighted the content of 10 randomly chosen cans, and found
1. 0 answers
2. 835 views
how do you solve xp-yp=z
1. 2 answers
2. 490 views
A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls 3.20 m before landing. Neglecting friction, how far
1. 4 answers
2. 4,601 views
I need figurative language on the genre fantasy
1. 1 answer
2. 590 views
A heat pump works on the vapor compression refrigeration cycle with 0.2 kg/s of refrigerant-134a as the working fluid. The cycle
1. 0 answers
2. 543 views
What is the solubility in grams per liter of SrSO4, in 0.23 M Na2SO4?Ksp for SrSO4 = 2.5E-7
1. 0 answers
2. 624 views
A detergent solution has a pH of 11.63 at 25°C. What is the hydroxide-ion [OH-] concentration?
1. 4 answers
2. 2,981 views
Is (NH4)2 CO3 ionic or covalent?
1. 1 answer
2. 1,316 views
An aqueous solution is 8.50% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.024g/mL. Calculate the
1. 7 answers
2. 6,363 views
A student mixed 15.0 mL of a solution of 0.0200 M ferric chloride FeCl3, with 25.0 mL of water.Calculate the moles of iron ion,
1. 4 answers
2. 650 views
If the line 3x-4y = 0 is tangent in the first quadrant to the curve y = x^3 + k, then k is
1. 1 answer
2. 14,157 views
Before starting this problem, review Multiple-Concept Example 6. The left ventricle of the heart accelerates blood from rest to
1. 0 answers
2. 994 views
4-3|m+2|>-14
1. 1 answer
2. 356 views
4-3|m+2|>-14
1. 0 answers
2. 658 views
If I have 10 silver coins and they weigh 55 grams and displace water from 25 mL to 35 mL, what is the density? What is the
1. 1 answer
2. 431 views
how much heat energy would it take change the temperature of 50 mL of water from 23 C to 28 C?
1. 1 answer
2. 446 views
Which if these questions does not help to assess the vaildity of research findings:a. How much did this study cost? b. Are the
1. 2 answers
2. 687 views
What is one important distinction you could not overlook making when critically evaluating the information provided in these
1. 1 answer
2. 411 views
STATE THE SLOPE AND Y-INTERCEPT OF THE EQUATION 5X-2Y=-10
1. 1 answer
2. 679 views

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