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1. Suppose you are hiking down the Grand Canyon. At the top, the temperature early in the morning is a cool 4.69 oC. By late afternoon, the temperature at the bottom of the canyon has warmed to a sweltering 31.9 oC. What is the difference between the higher and lower temperatures in (a) Fahrenheit degrees and (b) kelvins?
2. You are sick, and your temperature is 311.1 kelvins. Convert this temperature to the Fahrenheit scale.
3. On the moon the surface temperature ranges from 381 K during the day to 1.03 x 102 K at night. Convert these temperatures to the Celsius and Fahrenheit scales. (a) 381 K in degrees Celsius; (b) 381 K in degrees Fahrenheit; (c) 1.03 x 102 K in degrees Celsius; (d) 1.03 x 102 K in degrees Fahrenheit.
4. Dermatologists often remove small precancerous skin lesions by freezing them quickly with liquid nitrogen, which may have a temperature as low as 78.1 K. What is this temperature on the (a) Celsius and (b) Fahrenheit scales?
5. A steel section of the Alaskan pipeline had a length of 50.7 m and a temperature of 15.5 oC when it was installed. What is its change in length when the temperature drops to a frigid -43.2oC?
A 10-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10 m/s, determine (a) the translational kinetic energy of its center of gravity,
A person of mass m is standing at the edge of a large rotatingdisk. The disk is rotating without friction and has angular velocity ω, radiusR, and moment of inertia I. find what will be the change in angular velocity
question1a ferryboat transports tourists among three islands. it sails from the first island to the second island 5.98
Tuning forks are used in the diagnosis of nervous afflictions. This tuning fork has a frequency of 128Hz. Find their maximum acceleration
A square wire carrying a current of 5 A has sides of 10 cm and is placed in the yz plane. The torque on the square is
A irregular piece of metal has a dry mass of 5.7 kg. Once it is submerged it has an apparent mass of 2.4 kg. What is the density of the piece of metal
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A 1-kg mass is hung vertically on a spring in a medium with a damping constant of 4 N-sec/m. The spring constant is 12 N/m. The mass is pulled down 2 m from the spring-mass equilibrium and then given an upward velocity of 1 m/sec. discover the amplit..
A 15 kilogram block is accelerated at 1.7 m/s2 up a frictionless plane inclined at 5 degree to the horizontal, with the speed increasing from 10 m/s to 28 m/s. Evaluate the change in the block mechanical energy
Brian is trying to pull Julie on a sled across a flat snowy field. Brian pulls on a rope attached to the sed. His pulling force is directed forward and upwards at a 30 degree angle above horizontal. Julie's mass is 50kg and the sleds mass is 8kg. If ..
What is the acceleration of the truck. If it starts 4.50 m from the lower edge of the roof, how fast would the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0 N.
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the distance between the two girls
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