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What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 4.09m and an eyepiece whose focal length is 3.29cm?
The motion of a particle is given by x = A sin^3(?t). What is the amplitude of the particle's motion
A vertical scale on a spring balance reads from 0 to 235 N . The scale has a length of 10.5cm from the 0 to 235 N reading. what is the mass of the fish
(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.
A ray of light has an incident angle of 30.1 on a block of quartz and an angle of refraction of 20.4. what is the index of refraction for this block of quartz
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
Estimate the boiling point of a 0.6 molal solution of NaCl in water, What is the osmotic pressure of a 100 mL of toluene solution that contains a total of .005 moles of a polymer dissolved in it at 25°C
Assume charge builds up on the cloud and on the ground until a uniform electric field of 4.00 multiplied by 106 N/C throughout the space between them makes the air break down, What is the maximum charge the cloud can hold
A tennis player swings her 1000g racket with a speed of 10m/s . She hits a 60g tennis ball that was approaching her at a speed of 21m/s. what is the average force that the racket exerts on the ball
At a party,3.00kg of ice at-4.20°C is added to a cooler holding 30 liters of water at 20.0°C. What is the temperature of the water when it comes to equilibrium
A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.25 m, calculate the focal length and the power of the lens.
Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm, What is its amplitude if they interfere destructively
A thin, uniform rod has length L and mass M . Calculate the magnitude of the gravitational force the rod exerts on a particle with mass m
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