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Two polarizers are out of alignment by 24.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters, what is the intensity of the transmitted light?
The police at the scene of the accident observed that the point of impact is 120 m from the base of the cliff. Explain how fast was the car traveling when it went over the cliff?
A gun is fired vertically into a 1.9 kg block of wood at rest directly above it. If the bullet has a mass of 21.00 g and a speed of 195 m/s, how high would the block rise into the air after the bullet becomes embedded in it.
What is the speed of the two carts at the moment while their speeds are equal?
a manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
As an electron moves through a region of space , its speed decreases from 8*10^6 m/s to 3*10^6 m/s. Through what potential difference did the electron move
Four point charges, each with Q = 8.8 µC, are arranged at the corners of a square of edge length 1.4 m. What is the electric potential at the center of the square
All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
Suppose a 0.250-kg ball is thrown at 15.0 m/s to a motionless person standing on ice who catches it with an outstretched arm, Calculate the final linear velocity of the person
A satellite is in a circular orbit around the Earth at an altitude of 2.20 * 106 m. Find the acceleration of the satellite
A microwave oven is powered by an electron tube called a magnetron that generates electromagnetic waves of frequency 2.25 GHz, Calculate the speed of the microwaves from these data.
To keep a room at a comfortable 16.0?C , a Carnot heat pump does 310J of work and supplies it with 3840J of heat. How much heat is removed from the outside air by the heat pump
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