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A sugar solution with n=1.42 contains an air bubble of radius1.00 cm. Where is the image of a sugar crystal 3.00 cm from the bubble's surface when viewed through the center of the bubble? Does the bubble behave like a converging or diverging lens?
What is the size of the smallest vertical plane mirror in which a 10 tall giraffe standing erect can see her full-length image? (Hint: Locate the image by drawing a number of rays from giraffe's body that reflect off the mirror and go to her eye.
Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 600 m/s shoots bullets, What are the bullets' velocity relative to the target
To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens) at high speed. What was the raven's speed right after the collision
A circuit consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 V. What is the average power supplied by the source
An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, Find the velocity of the third particle
A 0.25-kg mass is hanging from a spring with spring constant 15 N/m. What is the resulting angular frequency of the oscillation
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
How are radioactive isotopes produced?
A major-league catcher gloves a 93 mi/h pitch and brings it to rest in 0.14m. If the force exerted by catcher is 803 N, what is the mass of the ball.
A milliammeter reads 15mA full scale. It consists of a 0.20 Ohm resistor in parallel with a 36 Ohm galvanometer
A subway train has three cars, each weighing 1.20 x 10^5 N. The frictional force on each car is 103 N, and the first car, acting as an engine, exerts a horizontal force of 4.80 x 10^4 N on the rails.
A diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below. How long is the diver in the air
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