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You send a beam of light from a material with index of refraction 1.19 into an unkown material. In order to help identify this material, you determine its index of refraction by measuring the angles of incidence and refraction for which you find the values 40.7° and 37.7°, respectively. What is the index of refraction of the unknown material?
A uniform can with mass M and height H is filled to the top with water. The initial mass of the water is 2M, What is the minimum height of the center of mass as the water drains out
Determine the angular speed of a speck of dirt located 1.97 cm from the center of a CD rotating inside a CD player at 263 rpm.
Three blocks with masses m1=5kg, m2=10kg and m3=7kg are connected by two pieces of very light strings. Find the tensions in both pieces of string
A rocket is fired in deep space, where gravity is negligible. In the first second it ejects 1/160 of its mass as exhaust gas and has an acceleration of 15.3 m/s^2. find the speed (v_gas) of the exhaust gas relative to the rocket
The trajectory of a singly ionized helium atom for two full revolutions around the z-axis but using a singly ionized argon atominstead.
The leader of a bicycle race is traveling with a constant velocity of +11.2 m/s and is 10.4 m ahead of the second-place cyclist. How much time elapses before he catches the leader
A bungee jumper with mass 63 jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 47. He finally comes to rest 21.00 below the level of the bridge.
A rotating wheel requires 2.99-s to rotate through 37.0 revolutions. What is the constant angular acceleration of the wheel
What is the total force and the absolute pressure on the bottom of a swimming pool 22m by 8.5 m whose uniform depth is 2 m
Consider the same situation, but now let the initial speed v_0 of first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the equivalent time for v_0..
A spring with spring constant k = 430 N/m is initially compressed x = 1.60 cm. How much work is done by the spring during this process
A rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's speed as it left the barrel
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