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A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
You need cash and FAST. You jump out of your car at a location to have one ATM, but a history of a line. Usually you can expect to wait 250 seconds from the time you arrive until leaving with the cash.
A 210 g piece of ice at 0°C is placed in 410 g of water at 22°C. The system is in a container of negligible heat capacity and is insulated from its surroundings. (a) What is the final equilibrium temperature of the system? (b) How much of the ice ..
Illustrate what is the initial investment in the product? Remember working capital. If the plant and equipment are an asset of class that has a CCA rate of 25 percent and the firm's tax rate is 40 percent.
Explain the relationship of the human resources department to the rest of the organization, especially the "line" departments or patient care functions.
Draw the standard normal distribution, label the axis, locate both z-scores on the axis (z7 = -1.5, z15 = 2.5), and shade an area equal to the probability that a randomly chosen croaker fish will be b/t 7 and 15 inches.
The second minimum in the diffraction pattern of a 0.12 mm -wide slit occurs at 0.68 degrees. What is the wavelength of the light?
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -42 µC. How many excess electrons does she get, and by how much does her mass increase?
Explain eBay's marketing mix. Explain how does this mix differ from that of a more traditional, "brick and mortar" discount store?
Two children, Mary and Kate, are riding on a merry-go-round. Mary is at a greater distance from the axis of rotation than Kate. Which child has the larger angular speed? Tangential speed? Centripetal acceleration?
What was Larry Cuban and David Tyack supposition and purpose of education? Write down the similarities and difference.
Determine the magnitude of the friction force. 5.80 g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is tra..
A small remote-control car with a mass of 1.60 kg moves at a constant speed of v = 14.0 m/s in a vertical circle inside the hollow metal cylinder that has the radius of 5.00 m.
Does the force that your hand exerts on the bag's handle do any work? Define. Does this force do any work while you are riding up an escalator at a constant velocity.
A 45 kg girl is standing on a 130 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.33 m/s relative to the plank.
A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)
A container of volume 23 cm3 is initially filled with air. The container is after that evacuated at 0oC to a pressure of 30 mPa. How many molecules are in the container after evacuation if we suppose that air is an ideal gas.
What is the total work W_fric completed on the block by the force of friction as the block moves a distance 8 rm m up the incline.
A ceiling fan with 80-cm-diameter blades is turning at 60rpm. Suppose the fan coasts to a stop 30s after being turned off.
A 270 m wide river flows due east at a uniform speed of 2.30 m/s. A boat with the speed of 8.4 m/s relative to water leaves the south bank pointed in a direction 38o west of north. What is (a) magnitude and (b) direction of the boat's velocity rel..
A person of mass 72 stands at the center of a rotating merry-go-round platform of radius 3.40 and moment of inertia 950. The platform rotates without friction with the angular velocity 0.95. The person walks radially to the edge of the platform.
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