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A.) What properties of light might be involved in reflection.
B.) What changes occur in the properties of light such as wavelength, frequency, and amplitude during reflection.
question1a piece of wire with mass per unit length 78 runs horizontally at right angles to a horizontal magnetic field.
Gas is contained in a 9.00-L vessel at a temperature of 25.0°C and a pressure of 5.00 atm. Determine the number of moles of gas in the vessel
Two boats start together and race across a 64-km-wide lake and back. Boat A goes across at 64 km/h and returns at 64 km/h. Boat B goes across at 32 km/h, and its crew, realizing how far behind it is getting, returns at 96 km/h. Turnaround times ar..
A box of well called as breakfast cereal states that one small portion of the cereal contains 110 Calories (1 Cal = 4186 J). If 2.0 percent of this energy could be converted by a weight lifters body into work completed in lifting a barbell.
A 720 gram grinding wheel 30.0cm in diameter is in the shape of a uniform solid disk. What torque does friction exert while this wheel is slowing down
At a certain point on Earth's surface in the southern hemisphere, the magnetic field has a magnitude of 4.9 10-5 T and points upward and toward the north at an angle of 56° above the horizontal. compute the magnitude and direction of the force on t..
You are driving to the grocery store at 20 . You are 110 from an intersection when the traffic light turns red. Assume that your reaction time is 0.50 and that your car brakes with constant acceleration.
A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s
The barrel has a length of 0.60 m and an opening whose radius is 2.8 10-3 m. A bullet (mass = 2.7 10-3 kg) has a speed of 380 m/s after passing through this barrel. Ignore friction and examine the average pressure of the expanding gas.
A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 4.0 m due east. For the second putt, the ball travels 3.1 m at an angle 20° north of east. The third putt is 0.50 m due north. What disp..
On a spacecraft, two engines are turned on for 658 s at a moment when the velocity of the craft has x and y components of velocity v0x = 4115 m/s and v0y =5135 m/s, Find the x and ycomponents of the craft's acceleration
A transverse harmonic wave travels on a rope according to the following expression: y(x,t) = 0.17sin(2.0x + 17.5t), What is the average speed of the rope during one complete oscillation of the rope
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