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Problem: A man stands next to a 1.36 m tall barrel with a diameter of 0.58 m. If the barrel is empty, he can see 0.68 m down the far side of the barrel. This means light from this spot on the far side of the barrel is traveling straight to his eyes.
Part A: At what angle relative to the normal line is the light traveling to the man's eyes?
I want help to find at what angle relative to the normal line is the light traveling to the man's eyes.
A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 820-N firefighter has climbed 3.90 m along the ladder from the bottom
A microwave transmitter emits electromagnetic waves of a single wavelength. Determine the total power emitted by the transmitter
A 21.00 kg block is pushed up a frictionless inclined plane that makes an angle of θ = 31o with the horizontal direction. What force is required to move the block with constant speed? Suppose that the force is parallel to the surface of the plane.
A single-loop circuit consists of a 7.3? Resistor, 12.0 H inductor, and a 3.1 ?F capacitor. Initially the capacitor has a charge of 6.2? C and the current is zero. Compute the charge (in C) on the capacitor N complete cycles later for N = 5.
A mosquito collides head on with a car traveling 60 mph. How do you think the size of the force the car exerts on the mosquito compares to the size of the force that the mosquito exerts on the car.
Most dentist in the United States are make as the majority of nurses are female. These differences show how different cultures define.
Air Friction damps a tuning fork so that the amplitudedecreases by (1/8.1) per second. Resonance= 74 Hertz. What percent change in frequency results
A meter stick is found to balance at the 49.7 cm mark whenplaced on a fulcrum. What is the mass of the meter stick
A compressed air cylinder stands at 93.0 cm tall and has internal diameter 20.7cm. At room temperature, its pressure is 172 atm. how many moles of air are in the cylinder
If the surface area of a human is 1.7 m^2 and each square inch of skin contains 75 pressure sensors
Find out the angular momentum and angular speed of the disk. what is the magnitude of the force (in mN) between the two charges.
using planck's law, Evaluate the Stefan-Boltzmann constant and Evalute the constant in the wien displacement law
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