A regulation for riding a certain amusement park ride requires hat a child be between 30 inches and 50 inches tall. Please help. I got this question wrong. Thank you.
A regulation for riding a certain amusement park ride requires hat a child be between 30 inches and 50 inches tall. Please help. I got this question wrong. Thank you.
The numerator of a certain fraction is 5 less than the denominator. Please help. Thank you
In the xy-plane, the line l passes through the origin and is perpendicular to the line 4x + y = k, where k is a constant. Please help. Thank you.
On a phase diagram there is a triple point, where solids liquids and gasses all exist at the same temperature and pressure. If I decrease the temperature but increase the pressure from this triple...
Two unequal masses of iron both have the same Internal energy, which of the following is true? a. The larger mass is hotter b. The smaller mass is hotter c. The have the same...
If a contained ideal gas decreases the volume by a factor of two and then triples the temperature, what happens to the pressure? a. It goes up by a factor of 2 b. It goes up by...
Senai customized her bike by exchanging the front wheel for a wheel that had one half the diameter of the back wheel. Please help me. Thank you.
A commuter train travels from Baltimore to Washington DC and back in 1 hour and 45 minutes. The distance between these two stations is about 40 miles. a.) What is the average velocity of...
A dragonfly can move 12 times as fast as a cockroach. If the dragonfly flies 33 miles per hour faster than the cockroach can crawl, write an equation that best describes the speed of the dragonfl...
If one wanted to help insulate their house, by replacing their windows made of the same material, would it be better to have, smaller windows (say let A = ½ original) or thicker glass (say twice...
Rivets can be cooled before they are put in place, thus when they reach equilibrium temperature they are more firmly fixed in place. If the volume expansion of iron is 35.0 X 10-6 K-1 what difference of...
If a tank has 2.50 g of N2 (nitrogen atom has 14 nucleons) and a volume of 1950 cm3 and it is held at 142 0 C, what is the pressure?
2.50 moles of an ideal monatomic gas are compressed from 315,000 Pa to 175,000 Pa at 0.0300 m3. What is the change in internal energy in this isochoric process?
Find the dimension
x = -2 ± 5i and One root is 6i
If you want to find the latent heat of fusion, you take a cup with 0.755 kg of water at 30.00 C and drop 0.0850 kg of ice initially at 0.000 C and it all reaches an equilibrium temperature of...
Consider a common refrigerator in a standard home, where the temperatures are 22.0 C in the home and the refrigerator is kept slightly above freezing. If a 0.750 kg ice cube initially at 0.00...
If a 0.06247 kg ice cube initially at 0.00 C is allowed to melt in a Styrofoam cup holding 0.497 kg of water at 10.0 C , what is the total entropy change for this process?
Kinetic theory a. What is the average kinetic energy of a monatomic gas at a temperature of 354 K? b. If this is Ne gas (neon has 20 nucleons) what is the root-mean-squared speed...
Calorimetry a. How much heat needs to be taken from 0.5 kg of ethyl alcohol as a gas at its boiling point of 78.0 C to a solid at its freezing point -114 C if the latent heat of vaporization...