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One end of an iron rod 40 cm long and 3.3 cm in diameter is in ice water, the other in boiling water. The rod is well insulated so no heat is lost out the sides.
What is the heat-flow rate along the rod?
H=____________________W
Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 9.0 N, acting due east, What is the magnitude of the body's acceleration
A blender is switched to a lower speed and the angular velocity of its blade decreases uniformly from 52 rad/s to 12 rad/s. Through what angle does the blade turn during this time
Two identical, small insulating balls are suspended by separate 0.35-m threads that are attached to a common point on the ceiling, Determine the tension in the threads
Supporting his theory, since 2001, workers in the United States have enhancement their hours worked while tax rates have dropped. What theory or theories of motivation might describe such a change.
A force that varies linearly with time according to a relation F = 4t N is applied to an object travelling with a speed of 16-m/s. If the force decelerates the object to a complete stop in 5s, determine the object's mass. Imagine the force is at f..
A burglar alarm is wailing with a frequency of 1200 Hz. What frequency does a cop hear who is driving towards the alarm at a speed of 40.0 m/s
A horizontal turntable is made from a uniform solid disk and is initially rotating with angular velocity of 7.5 rad/s about a fixed vertical axis through its center. What is the mass of the turntable
Illustrate what is the minimum centripetal acceleration the truck must have going around the circular curve with radius 0.35 km so that it will clear the gully and land on the other side?
A 46.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. What is the centripetal acceleration of the child
A bicycle wheel has an initial angular velocity of 16 radians/second and acceleraties to a final angular velocity of 42 radians/second, Determine the time required for this motion to occur
The two blocks are on frictionless inclines and are in static equilibrium. The block on the left has a mass of 49 Kg, and the block on the right has a mass of n3 Kg. If the left incline has the length of n1 meters, and the right incline the length of..
A baseball is hit at an angle of 60° above the horizontal with a speed of 40 m/s. There is a 15 m high fence located at 120 m from the batter. How high is the ball at its highest point
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