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I have a rectangular slab of aluminum that is in contact with a rectangular slab of copper and both slabs are 5.00 cm x 15.0 cm in area. The thickness of the copper is 1.00 cm thick and the thickness of the aluminum is 1.50 cm thick. One face of the composite slab is at 20.0 Celsius while the other is at 80.0 Celsius. In 1 hr timeframe, how much energy would flow from one face to the other?
A square conducting loop has side a and carries clockwise current I as shown in the diagram. calculate the magnitude and direction of the magnetic field at the center of the square
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion.
Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other
There are two horizontal forces on the 2.0 kg box in the overhead view of the figure below but only one is shown. find the second force.
A 1.8 kg ball of putty moving to the right has a head-on inelastic collision with the .50 kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you end about the relative speeds of the balls before the..
A 150g ball is thrown vertically upward from a window 10m above the ground at speed of 30 m/s What is the speed of the ball when it strikes the ground
Two equal charges Q are positioned at points (x=l, y=0) and (x=-1, y=0).Find where the field is a maximum. define your answer in terms of the variables , , and appropriate constants. If there is more than one answer, separate them by a comma.
An airplane pilot wishes to fly due west. A wind of 88.0 km/h is blowing toward the south. What is the speed of plane over the ground in km/h.
Two tugboats pull a disabled super tanker. Each tug exerts constant force of 1.20 multiplied by 106 N, one 19° west of north and the other 19.0° east of north, as they pull the tanker 0.69 km toward the west. What is the total work they do on supe..
How much time is spent in pushing the mower
Coherent light with wavelength 599nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00m from the slits. The first-order bright fringe is a distance of 4.84mm from the center of central brigh..
Assume temperate is 20 degree C. A submarine 64m deep emits a sonar wave. How deep is the ocean at that point
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