# Pat

Popular questions and responses by Pat
1. ## Chemistry

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr?

2. ## Physics

A man weighing 700 N lifts a 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force

3. ## Physics

A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (µC = 1.0 × 10–6 Vq=energy so delta V must be 10

4. ## Physics

Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.

5. ## Physics

You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and ï„Hf for lead is 2.04 Ã— 104 J/kg. Say you start at room temperature (25.0°C). How much heat must you transfer to melt all the lead?

6. ## Physics

A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show

7. ## Chemistry 2

A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the reaction.

8. ## American Constitutional Law

Which of the following best describes the relationship between the federal government and state militias? A. The militias are independent state entities over which the federal government has no authority. B. The militias are federal entities over which the

28. ## Criminal Justice/Writing Search Warrants

When writing the description for the property you are going to search for, the description must be detailed: A. so the average person can distinguish among similar objects in the search. B. so that only the magistrate and investigator can discern the

29. ## Criminal Justice/Judicial System

Congress has delegated the responsibility of setting the rules of practice, procedure and evidence in federal courts to the ___________ of the United States. A. federal judges B. state judiciary C. Rules Committee D. Judicial Conference *34 L03 I think

30. ## Physics

A 44 kg child jumps off a 2.2 kg skateboard that was moving at 8.0 m/s. The skateboard comes to a stop as a result. Find the speed at which the child jumped from the board. Show all your work. Assume a frictionless, closed system.

31. ## physics 2

A reservoir dam holds an 8 km2 lake behind it. Just behind the dam, the lake is 14.0m deep. What is the gauge pressure at the base of the dam (in Pascals)? What is the absolute pressure at a point 2.5 m down from the surface? Assume the pressure at the

32. ## Criminal Justice/Judicial System

Studies indicate that __________ are overrepresented in the jail population. A. Whites B. Hispanics C. African-Americans D. Asians I Think it's B, but not sure.

33. ## physics

A wire loop has an area of 0.12 m2, and the magnetic field through it increases from 0 to 0.20 T in 0.30 s. What is the induced emf in the loop?

50. ## Criminal Justice/White Collar Crime

Actions by the government that contributed to the collapse of the savings and loan industry included all of the following EXCEPT: A. increasing down payment requirements. B. commercial real estate loans. C. permitting money market mutual funds. D.

51. ## physical science

A rocket blasts off. In 10.0 seconds it is at 10,000 ft, traveling at 3600 mph. Assuming the direction is up, calculate the acceleration. 5280 ft/sec2 528 ft/sec2 100 ft/sec2 100. ft/sec2

52. ## American Constitutional Law

Please help with these two questions: The power of judicial review extends to __________ action. A. congressional B. executive C. state D. All of the above I SAY D. A judge who follows an interpretive approach that focuses on the precise meaning of the

53. ## Ethics in Criminal Justice

Which of the following comes closest to what Aristotle regarded as the highest human good? A. Pleasure B. Avoidance of Pain C. Flourishing D. Prosperity My book mentions flourishing and eudaimonia (which means prosperty). So I am torn between the two.

54. ## physics

A boy drops a 0.10 kg stone down a 150 m well and listens for the echo. The air temperature is 20°C. How long after the stone is dropped will the boy hear the echo? The speed of sound through air at 20°C is v = 343 m/s.

55. ## Chemistry

When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 3.0 g Ag and 3.0 g S8? 16 Ag(s) + S8(s) > 8Ag2S(s)

56. ## Physics

A bicyclist is coasting down a road that is sloped downward at an angle of 8°. The bicycle and bicyclist have a total mass of 80 kg. If the bicycle wheels roll freely, without any effect from friction or air resistance slowing the motion, how fast would

57. ## Ethics in Criminal Justice

Which of the following frameworks would be most likely to justify convicting an innocent person? A. Virtue ethics B. Utilitarianism C. Kantain ethics D. Natural law I think it's A, but not 100% sure.

58. ## Chem

4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex. FeSO4•NH4)2SO4•6H2O + H2C2O4•2H20 --> FeC2O4 + (NH4)2SO4 + H2SO4 + 8H2O 6FeC2O4 + 3H2O2 +

59. ## physics

ab elevator (mass 4850kg) is to be designed so that the maximum acceleration is .0680g. what are the maximum and minimum forces the motor should exert on the supporting cable? i know the answers but don't know how to come up with the work! (5.08*10^4N and

60. ## calculus-max & min

an open box with a square base is to be constructed from 48 square inches of material. What dimensions will produce a box with maximum volume?

61. ## math

Can you each make up an example in which "Some A are not B" is true, but the statement "Some B are not A" is false? An example would be "Some dogs are not poodles" is true but "Some poodles are not dogs" is false

62. ## Physics

A flywheel turning at 1200 rev/min (125.7 rad/s) constant angular velocity has a radius of 2.5 cm. As it turns, a string is to be wound onto its rim. How long is the string if it is wound up in 10 seconds? It says the answer is 31.4m, but I don't know the

63. ## chemistry

A hexane solution contains as impurities 5.2% (by mass) hepatne and 2.9% (by mass) pentane. Calculate the mass of each component present in 93g of the solution.

64. ## Math

How many times in a 12 hour period does the sum of the digits on a digital clock equal 6? (For example. 1:32 = 1+3+2 = 6

65. ## Physics

A 0.300-kg ice puck, moving east with a speed of 5.86m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.300-kg puck after the collision? What ise the speed of the

66. ## Criminal Justice/Domestic Violence

Researchers recommend that future responses to intimate partner violence should include all of the following EXCEPT: A. assessing children who directly witness intimate partner violence to determine if psychological treatment is needed. B. testing

67. ## Physics

A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The ball lands 24 m from its original horizontal location. Find how fast the ball was thrown. Show work i just don't understand

68. ## Criminal Justice/Corrections

Which of the following is a recurring theme throughout the history of penology? A. Enlightenment B. Compassion C. Deterrence D. Overcrowding I think it's C, but not too sure.

69. ## physics

a metal wire 1.0 mm in diameter and 2.0 m long hangs vertically with a 5.0 kg mass suspended from it. if the wire stretches 1.2 mm under the tension, what is the value of the young's modulus for metal?

70. ## Physics

A football player punts the football so that it will have a hang time of 4.5s and land 46m away. If the ball leaves the player's foot 1.5m above the ground, what must be (a) the magnitude and (b) angle (relative to the horizontal) of the ball's initial

71. ## trig

In triangle XYZ, angle X = 90°, angle Y = 38°, and z = 4'5". Find y

72. ## Statistics

When conducting an inferential statistical analysis, and applying a conventional "critical p-value" of .05, the odds of making a Type I Error and "rejecting a true Null Hypothesis" is? A. 1 in 30 B. 1 in 100 C. 1 in 20 D. 1 in 10

73. ## Physics

A 6.0 kg block of ice rests on a surface that is tilted by = 12°. Find the acceleration of the block ignoring any friction.

74. ## math

A conical water tank with vertex down has a radius of 13 feet at the top and is 28 feet high. If water flows into the tank at a rate of 10 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 17 feet deep?

75. ## Criminal Justice/White Collar Crime

Certain industries are distinguished by means and opportunities that are conducive to crime. These factors include all of the following EXCEPT: A. large amounts of money changing hands. B. individual decision-making. C. public attention on business