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A periscope for a submarine uses two totally reflection 45°-45°-90° prisms with total internal reflection on the side adjacent to the 45° angles. It springs a leak, and the bottom prism is covered with water. Explain why the periscope no long works. (nprism = 1.52, nwater = 1.33).
A ball of moist clay falls 17.7 m to the ground. It is in contact with the ground for 15.0 ms before stopping. What is the average acceleration of the ball
Object A, which has been charged to + 29.2 nC, is at the origin. Object B, which has been charged to - 28.9 nC, is at ( x,y ) = ( 0.0;{rm cm},; 1.50 cm ).What is the y-component of force (vec{F}_{rm A ; on ; B})_{rm y} on B due to A.
A mass of 0.006 kg is attached to a spring that requires a force of 0.01 N to extend it 0.05 meters greater than its natural length, Find maximum velocity of spring when released from rest
A base ball has mass 0.145 kg. If the ball remains in contact with the bat for 2.00 ms, find the magnitude of the average foce applied by the bat
What is the speed of the electron when it strikes the target? How far does it fall under the influence of gravity during its flight?
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 13.0 s. Ignore air resistance. What volume of gasoline is consumed? Assume that the burning of 1.0 L of gasoline releases 46 MJ of thermal energy
A jet flying at 128 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
In a game of basketball, a forward makes a bounce pass to the center. What horizontal distance does the ball cover before bouncing
An ambulance is generating a siren sound at a frequency of 2,400 Hz. The velocity of sound is 345.0 m/s. find the frequency of the siren perceived by the observer
A 12.5 cm tall soft drink can has a mass of 17.0 g and contains 364 g of soda when full. Where is its center of mass when half full
A diver springs upward from a board that is 5 meters above the the water. determine her peak height measured above the water
An oil drop carries one excess electron and weighs 9.3 x10-15 N. What electric field strength is needed to suspend the drop so it is motionless.
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