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A 0.62 kg brass candlestick has an initial temperature of 98.0 degrees C. If 21,100J of heat is removed from the candlestick to lower its temperature to 6.5 degrees C, what is the specific heat compacity of brass.
A 73.1-kN car is travelling at 59.9 mph when the driver decides to exit the freeway by going up a ramp. obtain the magnitude of the average drag force exerted on the car
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. If the speed of sound in what is 1517 m/s and it takes 64.13 s for the return pulse to hit the hydrophone on the bottom of the ship, how deep is the su..
monochromatic light is normally incident on one face of a prism with a right triangle for a base. the light travels through the prism such that it strikes the hypotenuse of the triangle from inside.
A certain mass oscillates without friction on the end of a horizontal spring. At time t= 1.20 s, the mass is at position x= 0.120m (measured from the equilibrium location), has velocity of v= 14.5m/s, and is accelerating at a = -98.0m/s^2
Two wires are parallel and one is directly above the other. Each has a length of 50.0 m and a mass per unit length of 0.020 kg/m. However, the tension in the wire A is 6.20 102 N, and the tension in the wire B is 2.90 102 N.
Sodium ions (Na+) move at 0.860 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50cm and the straight portion is located at a distance r from the center of the circular portion. Determine r (in cm) suc..
In a double-slit experiment, the slit spacing is 0.22m, the distance to the screen is 3.30m, and light of wavelength 662nm is used. What is the thickness of the polystyrene sheet
You are investigating an accident where a 1500 kg car that was parked without its emergency brake on rolled down a hill with a slope of 8 degrees a distance of 150 m, How fast was the car moving when it hit the van
a merry-go-round r=2m, initially at rest is given a constant tangential push that depends on time. F(t) =β(t) applied on the rim. β=10N/s, Calculate angular acceleration as a function of time
A 1.00 kg object is attached to a horizontal spring. The spring is initially stretched by 0.500 m, and the object is released from rest there. What is the maximum speed of the object
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