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Questions and answers by

Tsunayoshi

Questions (36)

Find the equation of the graph of all points such that the difference of their distances from (10,0) and (2,0) is always 1.
1. 1 answer
2. 525 views
1. What is the pressure on the bottom of an aquarium 0.30 m deep filled with water?2. The plug in a bathtub is 10 cm^3in area
1. 2 answers
2. 1,477 views
Change the following to the standard equation of the ellipse1. 5x^2 + 3y^2 = 15 2. x^2 + 12y^2 = 16 3. 3y^2 + 4x^2 = 3 And
1. 1 answer
2. 460 views
draw the following parabola:a. principal axis parallel to x; LR=1; passing through (3,1) and (-5,5); opens to the right. b.
1. 1 answer
2. 503 views
Ammonium nitrate is used in explosives and is produced from the reaction of ammonia and nitric acid. If 15 kg of ammonia give an
1. 1 answer
2. 1,261 views
a.Given the equation: 2CaCO3 + 2SO2 + O2 -> 2CaSO4 + 2CO2 What is the actual yield of CO2 if 7.5 mol of O2 gives a percent yield
1. 1 answer
2. 2,259 views
A student used 3.27g of Zn to react with excess HCl and obtains 6.47g ZnCl2. What is the percent yield?
1. 1 answer
2. 894 views
what is the importance of solid solutions and liquid solutions found at home
1. 0 answers
2. 381 views
Find the coordinates of the midpoint of the hypotenuse of the right triangle whose vertices are A (1,1) B (5,2) C (4,6) and show
1. 5 answers
2. 3,238 views
Show that the following points are collinear:A (5,2) B (-3,-2) C (9,4)
1. 1 answer
2. 601 views
Consider the burning of LPG (propane C3H8)which produces carbon dioxide (CO2) and water vapor (H2O). The balanced chemical
1. 2 answers
2. 1,094 views
A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at
1. 0 answers
2. 614 views
A 2.75kg block of copper at 22C dropped into 5.25kg of water at 12.0C. What is the final temperature of the mixture?Specific
1. 0 answers
2. 594 views
1. A rangers tower is located 44m from a tall tree. From the top of the tower, the angle of elevation to the top of the tree is
1. 4 answers
2. 3,599 views
1. The base of an isosceles triangle is 14 cm in length and the angle opposite the base measures 86 degrees. Find the length of
1. 2 answers
2. 2,895 views
After a snow storm, your driveway of area 50m^2 is covered with a layer of ice 10cm high at a temperature of 0C. You decide to
1. 4 answers
2. 579 views
In a physics experiment, 250g of water is placed in a 50g calorimeter cup made of aluminum when both are at 15C. Steam at 100C
1. 0 answers
2. 626 views
An alloy of mass 225g is heated to 550C. It is quickly placed in 450g of water at 12C. The water is contained in an aluminum
1. 1 answer
2. 659 views
A 100W incandescent lamp of filament area 45 mm^2, emits all its energy by radiation into the surrounding space of room at 22C.
1. 0 answers
2. 487 views
In a physics experiment, 250g of water is placed in a 50g calorimeter cup made of aluminum when both are at 15C. Steam at 100C
1. 0 answers
2. 548 views
A children merry go round in the consist of 300 kg solid horizontal disk of radius 8.5 m. It rotates at a speed of .25
1. 1 answer
2. 596 views
Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are
1. 1 answer
2. 694 views
Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are
1. 0 answers
2. 630 views
A toy slides down an inclined plane which makes an angle of 60 degrees with the horizontal. It starts from rest and achieves a
1. 1 answer
2. 737 views
A boat sails in a direction 60 degrees north of east with a constant acceleration of 1.5 m/s^2, starting from rest. What are its
1. 1 answer
2. 505 views
A resting eagle on a tree top finds a rabbit on the ground at a distance of 50 m from the base of the tree. The eagle applies a
1. 1 answer
2. 408 views
Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are
1. 2 answers
2. 1,147 views
A baseball is projected horizontally from the top of a building with an initial speed of 15 m/s. The ball strikes the ground 25
1. 1 answer
2. 656 views
Give 10 written information in an address book.
1. 1 answer
2. 379 views
A rock is thrown from the ground at a speed of 22 m/s and an angle of 55 degrees above the horizontal. find the velocity and
1. 1 answer
2. 408 views
A rock is thrown from the ground at the speed of 22 m/s and an angle of 55 degrees above the horizontal. Find the velocity and
1. 1 answer
2. 449 views
A player kicks a football from the ground at an angle of 42 degrees above the horizontal with an initial speed of 23m/s.a. How
1. 7 answers
2. 1,178 views
A rock is thrown from the ground at a speed of 22m/s and an angle of 55 degrees above the horizontal. Find the velocity and
1. 1 answer
2. 453 views
A ship travels north at 6m/s. The wind travels west at 2.5 m/s. In what direction will the pennant of the ship on the masthead
1. 1 answer
2. 454 views
A boat moves north at a uniform velocity of 15 mph relative to the shore from one side of the river to a point directly opposite
1. 3 answers
2. 691 views
A bullet is fired horizontally with a speed of 500 m/s from a height of 1.5 m above the ground toward a target 50m away on the
1. 3 answers
2. 634 views

Answers (9)

I mean is to get the distance of A B C you used distance formula not slope...
How did you get the 8hrs and 3600 sec/hr??
How long will it take to melt the ice?
Can you elaborate more??
^ means???
What is the range?
Thank you....
I don't know the time??
Can you elaborate more?? I don't understand it..

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