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A flashlight on the bottom of a 4.15 m deep swimming pool sends a ray upward andat an angle so that the ray strikes the surface of the water1.80 m from the point directly abovethe flashlight. What angle (in air) does the emerging ray make withthe water's surface?
A proton (+1.6 x 10^-19 C) is traveling horizontally at 5.4 x 10^6 m/s south. What is the force of the proton along with direction
The mousetrap car has a mass of 100 grams and starts travelling at the speed of 1.80 m/s and after 5seconds get the rested? What force did the motor exert.
A slide projector needs to create a 97 cm high image of a 2.0 cm tall slide, How far should you place the lens from the slide
An emf of 22.0 mV is induced in a 497 turn coil when the current is changing at a rate of 9.0 A/s. What is the magnetic flux through each turn of the coil
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.93 x 104 m/s, and the radius of the orbit is 1.08 x 106 m. What is the orbital speed of the second satellite
A spring is compressed by .02 m ad launches a block up an incline (ignore friction). what is the maximum distance will it travel
Two pucks, A and B, are on an air hockey table. Puck A is moving with an initial velocity of 5.5m/s Eastward and Puck B is at rest and East of Puck A. Find the final speed of both pucks
If unpolarized light of intensity l0 passes through an ideal polarizer, what is the intensity of the emering light
A bungee cord is stretched between two poles with a force of 383 N. What is the velocity of a wave on this bungee cord
A spaceship of length L moves with a speed 7c/12 with respect to the ground. A ball is thrown from the back of the ship to the front. The speed of the ball with respect to the ship is c/3. Apply the Lorentz transformations to find:
A -100× microscope has an eyepiece whose focal length is 4.5cm. find the focal length of the objective
Suppose an oxygen molecule traveling at a velocity of 480m/s bounces back and forth between opposite sides of a cubical vessel 0.19 on a side. What is the average force per unit area
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