Questions and answers by

jawn

Questions (18)

What is the volume occupied by 7.0 g of hydrogen under a pressure of 2.6 atm and a temperature of 300 K?answer is .0332 m^3.
1. 0 answers
2. 596 views
Two metal rods -- one copper the other aluminum -- are connected in series, as shown in the figure below. Note that each rod is
1. 2 answers
2. 1,682 views
An aluminum saucepan with a diameter of 18 cm and a height of 6.0 cm is filled to the brim with water. The initial temperature
1. 2 answers
2. 692 views
Starting at rest at the edge of a swimming pool, a 72.0 kg athlete swims along the surface of the water and reaches a speed of
1. 0 answers
2. 1,214 views
At what altitude above the Earth's surface is the acceleration due to gravity equal to g/128?i did g/128=(G*Earth's mass)/r^2
1. 1 answer
2. 2,157 views
A spaceship of mass m travels from the Earth to the Moon along a line that passes through the center of the Earth and the center
1. 1 answer
2. 887 views
A train is traveling up a 5.2° incline at a speed of 3.09 m/s when the last car breaks free and begins to coast without
1. 3 answers
2. 2,855 views
On vacation, your 1500 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 1.60 m/s2.(a) What is the
1. 3 answers
2. 838 views
there is no air resistance.using a cannonball launcher, how can i find how far the cannonball will go (horizontally) if launched
1. 3 answers
2. 486 views
The limit as x approaches infinity. (1)/(5^x)The limit as x approaches 1. (1-x^3)/(2-sqrt(x^2-3)) Show your work thanks in
1. 3 answers
2. 1,404 views
While sitting on a tree branch 10.0 m above the ground, you drop a chestnut. When the chestnut has fallen 2.0 m, you throw a
1. 2 answers
2. 3,292 views
limit as x approaches infinity. (sin2x)/(x)answer is 0. show me how please. thanks in advance =)
1. 1 answer
2. 1,108 views
50t + .1t^2 = 1100Solve. show steps please
1. 2 answers
2. 390 views
You jog at 6.6 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if
1. 1 answer
2. 1,802 views
sqrt(x+9)
1. 1 answer
2. 363 views
(sqare root of(x+1) +1)all divided by x. instructions are to rationalize the numerator.
1. 1 answer
2. 440 views
1/x = 1/y + 1/zsolve for Z
1. 2 answers
2. 754 views
ok theres a graph.its like this. basically theres a ray coming from the origin going up and left diagonally at about a 30 degree
1. 1 answer
2. 610 views