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Madison
Questions (320)
If a bacteria reproduced every 5 minutes and you start with one at noon, how many will you have after one hour?
2 answers
472 views
NASA lost contact with Pioneer 10 on January 22, 2003. How far in meters was it from the sun on that date? Pioneer 10 was
0 answers
1,411 views
011 10.0 points
Masses 18 kg and 9 kg are connected by a light string that passes over a frictionless pulley as shown in the
0 answers
621 views
A motor cycle, starting from rest, has an acceleration of +2.6 m/s^2. When the motorcycle has traveled a distance of 120 m, it
2 answers
1,926 views
A salesperson leaves the office and drives 26 km north along a straight highway. A turn is made onto a highway that leads in a
0 answers
797 views
Help tires rated for 60,000 miles and tread depth of 3/8" do I estimate how much tread is worn off for every mile driven?
1 answer
517 views
A mover has to move a heavy sofa of mass 49.0 kg to the second floor of the house. As he pulls on the rope tied to the sofa, he
1 answer
4,613 views
I would appreciate an explanation of how to simplify this question.
Write the fraction as a difference. 3x-7 --- 12
1 answer
414 views
Simplify the expression
(7+5)+4*13-2 I would like an explanation on how to do this question if you can:)
2 answers
1,807 views
Predict the answer to each question according to trends in the periodic table. Justify each answer based on the locations of the
2 answers
927 views
Analyze each table of ionization energy data (in kJ/mol) to identify each element.
a. A Period 3 element (1 point) IE1: 496, IE2:
2 answers
1,583 views
Use each equation to predict whether the relative entropy change is S(products) > S(reactants) or S(products) < S(reactants) and
3 answers
1,046 views
Write 3–4 sentences to describe how coupling reactions are used to drive an unfavorable chemical reaction
0 answers
550 views
b) Write 3 – 4 sentences to describe the first law of thermodynamics and use it to describe what happens when two
1 answer
831 views
Explain the reaction that would occur in a galvanic cell between solutions of Al3+ and Pb2+. Identify the oxidation and
1 answer
949 views
In 3-4 sentences, identify how the geometric structure of NF3 is different than that of NF4+. Explain how the geometry affects
1 answer
1,398 views
The maximum speed of a 3.68-kg mass attached to a spring is 0.688 m/s, and the maximum force exerted on the mass is 11.6 N. What
0 answers
468 views
A large pendulum with a 200-lb gold-plated bob 12 inches in diameter is on display in the lobby of the United Nations building.
0 answers
948 views
Steam of mass 11.0 g at 100°C is added to 126.7 g of ice at 0.00°C. Find the final temperature of the system.
1 answer
613 views
After you pick up a spare, your bowling ball rolls without slipping back toward the ball rack with a linear speed of = 3.18 m/s.
0 answers
1,147 views
A 10.4-g CD with a radius of 5.85 cm rotates with an angular speed of 33.8 rad/s. What is its kinetic energy?
(in J) I need help
0 answers
440 views
A person exerts a tangential force of 34.8 N on the rim of a disk-shaped merry-go-round of radius 2.60 m and mass 152 kg. If the
0 answers
791 views
Certain insect species have become more and more resistant to insecticides. What type of natural selection is this, and how does
1 answer
545 views
What is a balanced equation for a Base-Acid Titration?
1 answer
541 views
Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount
6 answers
2,175 views
A small box is held in place against a rough wall by someone pushing on it with a force directed upward at 29.8° above the
0 answers
566 views
What is the magnitude of the acceleration of two falling sky divers (mass 149 kg including parachute) when the upward force of
2 answers
973 views
An elevator (mass 5000 kg) is to be designed so that the maximum acceleration is 0.0620 g. What is the maximum force the motor
0 answers
765 views
A 0.133 kg baseball traveling 30.6 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.4
2 answers
672 views
A place kicker must kick a football from a point 35.0 m (= 38.3 yd) from the goal, and the ball must clear the crossbar, which
1 answer
1,000 views
A projectile is launched with an initial speed . At its highest point, the projectile's speed is . What was the launch angle
1 answer
574 views
Riding in an elevator, a man notices that he feel heavier or lighter based when the elevator speeds up or slows down. He stands
3 answers
954 views
In the picture to the right, a ring pulls a box of mass m = 5.0 kg across a level table. The string pulls with a tension F =
1 answer
592 views
A bird sits at rest in the middle of a wire. The wire slopes upward at 5* from the horizontal on either side of the bird. If the
1 answer
734 views
He is standing at the edge of a rose garden at H = 4.62 m below her window and at D = 5.21 m from the base of the wall. How fast
0 answers
531 views
A diver running 1.89 m/s dives out horizontally from the edge of a vertical cliff and 2.88 s later reaches the water below. How
1 answer
670 views
The components of a vector V are often written (Vx, Vy, Vz). What is the x component of a vector which is the sum of the two
0 answers
561 views
A particle moves along the x axis. Its position is given by the equation x = 2.00 + 3.20t - 3.85 t2 with x in meters and t in
1 answer
706 views
A speedboat moving at 29 m/s approaches a no-wake buoy marker 98.3 m ahead. The pilot slows the boat with a constant
1 answer
893 views
A driver in a car traveling at a speed of 56.1 mi/h sees a deer 103 m away on the road. Calculate the minimum constant
1 answer
666 views
A stone is dropped from the top of a cliff. It hits the ground below after 3.12 s. How high is the cliff?
(in m)
1 answer
1,105 views
In coming to a stop, a car leaves skid marks 97.0 m long on the highway. Assuming a deceleration of 6.60 m/s2, estimate the
3 answers
891 views
At highway speeds, a particular automobile is capable of an acceleration of about 1.52 m/s2. At this rate, how long does it take
1 answer
461 views
22.0 grams of zinc reacted with 95.0 mL of 0.5 Molarity HCl. What volume of hydrogen gas would be produced at 22 degrees C and
1 answer
470 views
A deposit of $5,000 at 4% interest compounded continuously will grow to V(t) = 5000e^0.04t dollars after t years. Find the
1 answer
1,081 views
a person throws a baseball into the air with an initial vertical velocity of 30 feet per second and then lets the ball hit the
2 answers
1,853 views
Using a chart:
At noon a private plane left Austin for Los Angeles,2100km away, flying at 500km/h. One hour later a jet left Los
1 answer
770 views
starting from 1.5 miles away, a car drives toward a speed checkpoint and then passes it. The car travels at a constant rate of
5 answers
2,179 views
Suppose that you are a bicycle producer. In 2 or 3 sentences, explain why you are willing to supply the most bicycles at the
1 answer
1,195 views
When MyKing Burgers charges a price p dollars for one of its burgers, its revenue in dollars is given by
R(p) = −200p(p − 10)
2 answers
520 views
If....
f(x) = x + 2 and g(x) = −x^2 + 2x − 3, determine - ( f ∘ g)(−2) - a formula for (g∘f)(x) My answer for ( f ∘
1 answer
473 views
hey. I am running for the vice-president for NJHS. I have already gotten my introduction, and first two body paragraphs done. I
1 answer
631 views
un Lanes Bowling charges a fee of $4 to use their shoes and $6 for each game played. Salim wants to figure out how much it will
1 answer
854 views
If a balloon filled with carbon dioxide has occupies a volume of 31 L at STP, what is the mass of the gas?
1 answer
1,061 views
Hydrogen peroxide(H2O2) slowly decomposes to form water and oxygen gas. Calculate the mass of Hydrogen peroxide needed to obtain
1 answer
2,257 views
Explain why Sin of theta= -The square root of 1-cos^2 theta is not an identity, using either graphical or numerical reasoning.
1 answer
483 views
Suppose that (5/13,y) is a point in Quadrant IV lying on the unit circle. Find y. Write the exact value not a decimal
3 answers
2,898 views
I tried working this question out with the help already provided, but I couldn't ever get the right answer. If you could
0 answers
451 views
What mass of sodium benzoate should be added to 160.0mL of a 0.17M benzoic acid solution in order to obtain a buffer with a pH
2 answers
849 views
Calculate the number of phosphorus atoms in 17.0g sample of calcium phosphate
0 answers
398 views
How many potassium atoms in 7.50g of potassium chromate?
1 answer
380 views
How many atoms of hydrogen are in a mixture of 3.49x10^23 molecules of H2O and 78.1g of CH3OH?
2 answers
975 views
5x - 7 (2 - 4x)
1 answer
289 views
Need help with a word problem - Carrie collected can food for a homeless shelter each day for one week. On day one she collected
1 answer
1,228 views
Differentiate: y=sin(2z)+cos^2z
3 answers
543 views
according to a survey, 30% of 18-25 year olds have blue eyes. In a random sample of 8 people in this age group what is the
1 answer
449 views
Which of the following statements is true?Select one of the options below as your answer:A. A 25o angle is congruent to a 25o
1 answer
715 views
Ive tried using the formulas my teacher gave me, however I can't seem to get the right answers. Please help!
A 1.4-kg block hangs
1 answer
432 views
The question I am having trouble with is:
Scientists originally were uncertain whether the oxygen gas produced during
1 answer
764 views
The question I am having trouble with is:
Scientists originally were uncertain whether the oxygen gas produced during
1 answer
376 views
Light with λ = 530 nm passes through a single slit and then illuminates a screen 9.0 m away. If the distance on the screen from
1 answer
738 views
Calculate the mass of 0.0122 moles of: a) Si3N4 b) (CH3)3 N
1 answer
495 views
What association would you expect if graphing height and weight?
4 answers
1,204 views
the area of a triangle is 105 square feet. the height is two more than four times the base. find the base and height of the
1 answer
461 views
An air-track cart of mass 0.10 is moving with a speed 1.2 to the right when it collides with a cart of mass 0.24 that is at
1 answer
2,228 views
A person stands 2.0 m away from the reflecting surface of a plane mirror. What are the image characteristics?
0 answers
1,264 views
A small dog sits 1.5 m in front of a plane mirror.
Where is the dog's image in relation to the mirror?
1 answer
1,349 views
A woman 2.00 m tall stands 3.5 m in front of a plane mirror. (a) What is the minimum height the mirror must be to allow the
0 answers
905 views
A woman fixing her hair holds a plane mirror 30 cm away from the front of her face so as to look into a plane mirror on the
4 answers
1,907 views
What is the rule for 2 to 3 and 9 24.
0 answers
256 views
what is areoglhmet
2 answers
245 views
An Olympic skier moving at 19 m/s down a 26 degree slope encounters a region of wet snow and slides 136 m before coming to a
3 answers
1,421 views
4y is 55 percent of what number
1 answer
773 views
I have a garden that is 50 ft x 18 ft and my friend has a garden that is 30 ft X 15 ft. Why is the area of my garden twice the
1 answer
334 views
as you push a lawn mower , the horizontal force is 300n, if you push the mower a distance of 500m, how much work do you do?
1 answer
1,174 views
The Trans-Alaskan pipeline is 1300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subject to temperatures
0 answers
674 views
The Trans-Alaskan pipeline is 1300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subject to temperatures
0 answers
1,232 views
(a) An ideal gas occupies a volume of 3.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the
1 answer
1,520 views
An air bubble has a volume of 1.65 cm3 when it is released by a submarine 105 m below the surface of a lake. What is the volume
0 answers
813 views
At what temperature would the rms speed of a nitrogen atom equal the following speeds? (Note: The mass of a nitrogen atom is
0 answers
719 views
How many moles are in 4.80 grams on SnO2?
2 answers
847 views
John has traveled from a distant planet to spend one earth year visiting with us. However, one year on earth is not the same as
1 answer
768 views
Empty calories are defined as ________.
A. Calories from dairy products only B. Calories from low-fat foods and/or fruits and
2 answers
758 views
determine the tension in each cable below. draw a force diagram for the system before solving the problem. Case A- ball
0 answers
1,188 views
Find the following values for each function
a. f(0) b. f(-1) c. f(-x) d. f(x+1) f(x)=2x^2+3x-4 I you plug in the value for each
0 answers
514 views
Find (fog)(2) and (gof)(-2)
f(x)=Square root of 4-x; g(x)=1-3x^2 Show work.
1 answer
549 views
The key to using a pedometer to meet the Physical Activity Guidelines for Americans is to _________.
A. First set a time goal and
2 answers
1,180 views
If you have 30 white lego bricks, 42 red lego bricks, and 45 black lego bricks and you pull them out of a bag one at a time
1 answer
568 views
1.-80%(-2) (=,<,>) 120/3
2.-1750%70 (=,<,>) -1008/48 3.240/-80 (=,<,>) -150/50 4.675/-45 (=,<,>) 865/-51 5.-3755%x= -15
1 answer
781 views
1.-80%(-2) (=,<,>) 120/3
2.-1750%70 (=,<,>) -1008/48 3.240/-80 (=,<,>) -150/50 4.675/-45 (=,<,>) 865/-51 5.-3755%x= -15
1 answer
381 views
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