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ewalker1917
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On site since:
2018-03-03 23:09:15
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17 years
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20
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Questions
Physics, 14.09.2019 07:30
A2200 kg truck is coming down a hill 50 m high towards a stop sign. what force will the brakes need to provide (in n) in order to stop the truck in th...
Answer
Mathematics, 14.09.2019 07:30
You have a large jar that initially contains 30 red marbles and 20 blue marbles. we also have a large supply of extra marbles of each color. draw a ma...
Answer
Physics, 14.09.2019 07:30
An extremely long wire laying parallel to the x -axis and passing through the origin carries a current of 250a running in the positive x -direction. a...
Answer
Physics, 14.09.2019 07:30
Alarge asteroid of mass 33900 kg is at rest far away from any planets or stars. a much smaller asteroid, of mass 610 kg, is in a circular orbit about...
Answer
Chemistry, 14.09.2019 07:30
Refer to the following unbalanced equation: co2 h20 c6h14 o2> co2 + h2o what mass of oxygen (o2) is required to react completely with 10.4 g of c6...
Answer
Physics, 14.09.2019 07:30
Aproton accelerates from rest in a uniform electric field of 700 n/c. at one later moment, its speed is 1.10 mm/s (nonrelativistic because v is much l...
Answer
Chemistry, 14.09.2019 07:30
If the volame ofa gas coetainer at 32°c changes froem 1.55 l to 753 ml, what will the final temperature be? assume the pressure doesn't change and th...
Answer
Physics, 14.09.2019 07:30
Aboy pulls with a 20 n force, at a 20 degree incline. what part of the force moves the wagon?...
Answer
Mathematics, 14.09.2019 07:30
Find an equation of a line passing through the point (8,9) and parallel to the line joining the points (2,7) and (1,5)....
Answer
Physics, 14.09.2019 07:30
In a thundercloud there may be electric charges of +44.0 c near the top of the cloud and -44.0 c near the bottom of the cloud. these charges are separ...
Answer
Chemistry, 14.09.2019 07:30
Answer the following using the following information: ∆hfus=6.02 kj/mol; ∆hvap= 40.7 kj/mol; specific heat of water is 4.184 j/g∙˚c; specific heat...
Answer
Physics, 14.09.2019 07:30
An arrow is shot straight up in the air with an initial speed of 250 ft/s. if on striking the ground, it embeds itself 4.00 in into the ground, find t...
Answer
Physics, 14.09.2019 07:30
Acar that weighs 1.5 × 10^4 n is initially moving at a speed of 36 km/h when the brakes are applied and the car is brought to a stop in 17 m. assuming...
Answer
Chemistry, 14.09.2019 07:30
You have a red ballooe that has a volume of 20 liters, a pressure of 1.5 atmospheres and a temperature of 28 c. what is the volume of the balloon if y...
Answer
Physics, 14.09.2019 07:30
Atank holds 10.3 mol of an ideal gas at an absolute pressure of 519 kpa while at a temperature of 361.38°c. (a) compute the container's volume (b) the...
Answer
Physics, 14.09.2019 07:30
Aquantity of 14.1 cm^3 of water at 8.4°c is placed in a freezer compartment and allowed to freeze to solid ice at -7.2°c. how many joules of energy mu...
Answer
Mathematics, 14.09.2019 07:30
Find an equation of the line l that passes through the point (-8, 4) and satisfies the given condition. the x-intercept of l is -10....
Answer
Physics, 14.09.2019 07:30
Amassless spring is attached to a support at one end and has a 2.0 μc charge glued to the other end. a -4.0 μc charge is slowly brought near. the spri...
Answer
Chemistry, 14.09.2019 07:30
Determine the percent yield of the following reaction when 2.80 g of p reacts with excess oxygen. the actual yield of this reaction is determined to b...
Answer
Physics, 14.09.2019 07:30
An engine extracts 452.8kj of heat from the burning of fuel each cycle, but rejects 266.7 kj of heat (exhaust, friction, etc) during each cycle. what...
Answer
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