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Solve the following problems given below:
Problem I: Estimate the radiation pressure due to a bulb that emits 25 W of EM radiations at a distance of 4.0cm from the center of the bulb. Assume that light is completely absorbed.
Problem II: Estimate the force exerted on a fingertip at this point. Suppose that the area of the fingertip is 1.2cm2. Assume that light is completely absorbed.
Show all work, use additional paper if necessary.
a shower head has 20 circulaar openings, each with radiius 1.0 mm. what is its speed as it exits the shower head openings
What is the wavelength of radio waves. An electron in a TV is accelerated toward the screen across a potential difference of 54.2kV. How much kinetic energy does the electron gain while accelerating.
A tennis ball of mass 57 g travels with velocity m/s toward a wall. After bouncing off the wall, the tennis ball is observed to be traveling with velocity m/s.
The average velocity of blood flow in the aorta in a resting person is 20 cm/s. The radius of the aorta is 1.2 centimeter. Determine the blood flow velocity in the capillaries
A bullet moving horizontally with a speed of 500m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration , in m/s^2, of the bullet
The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.030 m/s, how much further would the tortoise have gone relative to the sloth
A converging lens has a focal length of 100.0 cm. A 12.0-cm-tall object is located 124.0 cm in front of this lens. find Is the image real or virtual
0.125kg of water at 85.0 degrees is poured into an insulated cup containing 0.240kg of ice initally at 0 degrees. Calculate the mass of liquid
What is the speed of light in crown glass (n = 1.52) and What is the speed of light in ethyl alcohol (n = 1.36)
A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 degrees. With what speed was it thrown
a 2.00 kg block slides along a horizontal surface and is moving at 5.00 ms just as it strikes a horizontally-mounted
Though sunlight varies with season and time of day, solar energy falls on United States at an average intensity of 200. Assuming you live in an average location, what total solar-cell area would you need to provide all of your energy needs with en..
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