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Question 3 (7 pts): You shine a laser of intensity 2000 W/m² onto a reflective solar...
Question 3 (7 pts): You shine a laser of intensity 2000 W/m2 onto a reflective solar...
Question 3 (7 pts): You shine a laser of intensity 2000 W/m2 onto a reflective solar sail in a vacuum. If the solar sail has an area of 10 m2 and a mass of 100 kg, how long will it take to go from rest to 1000 m/s? Assume that the force from the light is the only force acting on the solar sail.
Part (a) Homework. Unanswered We have a rather small solar sail, which has a mass of...
Part (a) Homework. Unanswered We have a rather small solar sail, which has a mass of 30.0 kg, and a sail area of 60000 m. At a particular distance from the Sun, the Sun's gravitational field is 0.004 N/kg, and the intensity of sunlight is 1000 W/m². Assuming the plane of the sail is perpendicular to the incident light, and the light is 100% reflected, what is the magnitude of the force exerted on the sail by the light? N...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit a...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail." Suppose a sail of area A 5.9010 m2 and mass m 4,800 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1,370 W/m2 (a) What force (in N) is exerted on the sail? (Enter the magnitude.) 4.47 If you...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail." Suppose a sail of area A = 6.40 x 105 m2 and mass m = 7,100 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1,370 W/m² (a) What force in N) is exerted on the sail? (Enter the...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail. Suppose a sail of area A-7.00 x 105 m2 and mass m-6.50 x 103 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1 370 W/m2. (a) What force is exerted on the sail? (b) What is the sail's...
Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the...
Optical tweezers use light from a laser to move single atoms and
molecules around. Suppose the intensity of light from the tweezers
is 1000 W/m2, the same as the intensity of sunlight at
the surface of the Earth.
(a) What is the pressure on an atom if light from the tweezers
is totally absorbed?
Pa
(b) If this pressure were exerted on a helium atom, what would be
its acceleration? (The mass of a helium atom is 6.65 ✕
10−27...
Please help solve these b,c,d parts step to step. Thank you. The intensity of light from...
Please help solve these b,c,d parts step to step. Thank you.
The intensity of light from the sun that is seen at the top of the earth's atmosphere is 1366 W/m² Given that the earth is 1.50 x 1011 m from the sun. (a) What is the total power output of the sun? (b) What is the average strength of the electric and magnetic fields of the electromagnetic waves from the sun in our upper atmosphere? (c) What would the...
(3) A 850-nm laser beam of irradiance (intensity) 10 W/m² is incident upon a silicon (Si)....
(3) A 850-nm laser beam of irradiance (intensity) 10 W/m² is incident upon a silicon (Si). sample. The absorption coefficient a is 1000 cm". Calculate the thickness in microns (um) for which the transmitted irradiance is 0.5 W/m². Neglect reflections. (6 pts.)
3. ("Solar sail") A spaceship of mass m is being designed which can use the so-called 'solar wind' for propulsion. Once in orbit, a large sail will unfold, and form a square of area A...
3. ("Solar sail") A spaceship of mass m is being designed which can use the so-called 'solar wind' for propulsion. Once in orbit, a large sail will unfold, and form a square of area A, as shown in the following picture Spaceship Copyright: NASA The idea is that a stream of photons from the sun, each with momentum p-h/λ (where X is its wavelength), will collide with the sail, giving it a tiny kick with each collision. For the sake...
EXERCISE HINTS: GETTING STARTED I'M STUCKI A laser has a power of 20.0 W and a...
EXERCISE HINTS: GETTING STARTED I'M STUCKI A laser has a power of 20.0 W and a beam radius of 0.549 mm. (a) Find the intensity of the laser. 2.11E7 I W/m2 (b) Suppose you were floating in space and pointed the laser beam away from you. What would your acceleration be? Assume your total mass, including equipment, is 73.3 kg and that the force is directed through your center of mass. Hint: The change in momentum is the same as...
Question 3 (7 pts): You shine a laser of intensity 2000 W/m2 onto a reflective solar sail in a vacuum. If the solar sail has an area of 10 m2 and a mass of 100 kg, how long will it take to go from rest to 1000 m/s? Assume that the force from the light is the only force acting on the solar sail.
Part (a) Homework. Unanswered We have a rather small solar sail, which has a mass of 30.0 kg, and a sail area of 60000 m. At a particular distance from the Sun, the Sun's gravitational field is 0.004 N/kg, and the intensity of sunlight is 1000 W/m². Assuming the plane of the sail is perpendicular to the incident light, and the light is 100% reflected, what is the magnitude of the force exerted on the sail by the light? N...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail." Suppose a sail of area A 5.9010 m2 and mass m 4,800 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1,370 W/m2 (a) What force (in N) is exerted on the sail? (Enter the magnitude.) 4.47 If you...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail." Suppose a sail of area A = 6.40 x 105 m2 and mass m = 7,100 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1,370 W/m² (a) What force in N) is exerted on the sail? (Enter the...
A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail. Suppose a sail of area A-7.00 x 105 m2 and mass m-6.50 x 103 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1 370 W/m2. (a) What force is exerted on the sail? (b) What is the sail's...
Optical tweezers use light from a laser to move single atoms and
molecules around. Suppose the intensity of light from the tweezers
is 1000 W/m2, the same as the intensity of sunlight at
the surface of the Earth.
(a) What is the pressure on an atom if light from the tweezers
is totally absorbed?
Pa
(b) If this pressure were exerted on a helium atom, what would be
its acceleration? (The mass of a helium atom is 6.65 ✕
10−27...
Please help solve these b,c,d parts step to step. Thank you.
The intensity of light from the sun that is seen at the top of the earth's atmosphere is 1366 W/m² Given that the earth is 1.50 x 1011 m from the sun. (a) What is the total power output of the sun? (b) What is the average strength of the electric and magnetic fields of the electromagnetic waves from the sun in our upper atmosphere? (c) What would the...
(3) A 850-nm laser beam of irradiance (intensity) 10 W/m² is incident upon a silicon (Si). sample. The absorption coefficient a is 1000 cm". Calculate the thickness in microns (um) for which the transmitted irradiance is 0.5 W/m². Neglect reflections. (6 pts.)
3. ("Solar sail") A spaceship of mass m is being designed which can use the so-called 'solar wind' for propulsion. Once in orbit, a large sail will unfold, and form a square of area A, as shown in the following picture Spaceship Copyright: NASA The idea is that a stream of photons from the sun, each with momentum p-h/λ (where X is its wavelength), will collide with the sail, giving it a tiny kick with each collision. For the sake...
EXERCISE HINTS: GETTING STARTED I'M STUCKI A laser has a power of 20.0 W and a beam radius of 0.549 mm. (a) Find the intensity of the laser. 2.11E7 I W/m2 (b) Suppose you were floating in space and pointed the laser beam away from you. What would your acceleration be? Assume your total mass, including equipment, is 73.3 kg and that the force is directed through your center of mass. Hint: The change in momentum is the same as...
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