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Consider the re?ection of light from a soap bubble. The bubble is a thin film of water with air on both sides. Find the minimum thickness (nm) of the bubble so that reflected light constructively interferes when the wavelength is 500 nm (in air). Assume that the incident light is normal to the surface of the bubble. The index of refraction of water is 1.333.
In an internal combustion engine, the air-fuel mixture at the end of the ignition phase has volume 7.34×10?4 m3, what is the final pressure after the expansion
A late night time talk show host drops a watermelon from the top of the studio. If the speed of the watermelon is 21 m/s when it hits the ground, how tall is the studio?
Standing on the surface of a small spherical moon whose radius is 5.71·104 m and whose mass is 6.71·1018 kg, an astronaut throws a rock of mass 1.85 kg straight upward with an initial speed of 28.5 m/s.
A waterpipe of radius 0.02 m delivers water at a flow rate of 0.01m^3/ s^1 at 20 degrees C. What is the average velocity of the water
Skier loses a ski at the top of a 98 m hill. The ski proceeds to glide down the hill frictionless. Illustrate what speed is the ski traveling at the bottom of the hill?
q1. runner a is at first 5.4 km west of a flagpole and is running with a constant velocity of 2.6 kmh due east. runner
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 11 cm. what's the balloon's new radius
A force in the negative direction of an x axis is applied for 34 ms to a 0.40 kg ball initially moving at 16 m/s in the positive direction of the axis. What is the ball's speed just after the force is applied
Assuming the truck continues at constant speed from this minimum distance, for how long must the light remain yellow for the truck to completely clear the intersection before the light turns red.
It is important for the body to have mechanisms to effectively cool itself; if not, moderate exercise could easily increase body temperatures to dangerous levels. by how much would his body temperature rise during this exercise
A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure shows the force of the wall on the ball throughout the collision.
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What was the angular acceleration during this time
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