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4. A space boat is to be designed such that the solar radiation power on its sail counters the sun's gravitational...
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...
It has been proposed that a spaceship might be propelled in the solar system by radiation...
It has been proposed that a spaceship might be propelled in the solar system by radiation pressure, using a large sail made of foil. How large must the surface area of the sail be if the radiation force is to be equal in magnitude to the Sun's gravitational attraction? Assume that the mass of the ship + sail is 1800 kg, that the sail is perfectly reflecting, and that the sail is oriented perpendicular to the Sun's rays. (With a...
The region around the Earth is filling up with space junk such as old satellites. One...
The region around the Earth is filling up with space junk such as old satellites. One idea for cleaning up space involves using sails that create drag (see figure below) Perhaps one day satellites will be equipped with sails that are deployed at the end of their missions. The NASA mission NanoSail-D was launched in 2010 to test this idea. This problem compares the drag on a solar sail due to the Earth's upper atmosphere with the force exerted on...
In Example 34.6, we imagined equipping 1950DA, an asteroid on a collision course with the Earth, with a solar sail in hopes of ejecting it from the solar system. We found that the enormous size required for the solar sail makes the plan impossible at this
In Example 34.6, we imagined equipping 1950DA, an asteroid on a collision course with the Earth, with a solar sail in hopes of ejecting it from the solar system. We found that the enormous size required for the solar sail makes the plan impossible at this time. Of course, there is no need to eject such an object from the solar system; we only need to change the orbit. A much more pressing problem is Apophis, a 300-m asteroid that may be...
The intensity of solar radiation in space near the Earth is 1.4 kW/m2. The Mars Reconnaissance...
The intensity of solar radiation in space near the Earth is 1.4 kW/m2. The Mars Reconnaissance Orbiter (MRO) orbits Mars, which is 1.5 times further from the Sun than the Earth. What force is exerted by solar radiation impinging normally on a 5.0 m2 perfectly reflecting solar panel on the MRO? A) 23 μN B) 10 μN C) 14 μN D) 21 μN E) 47 μN
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...
the average amount of solar power reaching the earth is approximately 1.4 kW/m2. The radius of...
the average amount of solar power reaching the earth is
approximately 1.4 kW/m2. The radius of the sun is 6.95*108
m.
The average amount of solar power reaching the earth is approximately 1 .4 kW/m'. The radius of the x108 m and the distance between the earth and the sun is 1.5x1011 m. The power radiated the sun is 6.25x10' W/m2. Assume the source of energy for the sun is the fusion reaction 4HHe +2(B+2v+ energy Estimate how much hydrogen...
Problem Solving: LightSail 2 LightSail 2 was a satellite that was designed to use solar radiation...
Problem Solving: LightSail 2 LightSail 2 was a satellite that was designed to use solar radiation to change its altitude as it circled Earth. The spacecraft had a mass of 5.0kg. It was originally launched by a rocket with its sail closed, and established an orbit at an altitude of 720 km above Earth’s surface. Then it deployed its sail, which had an area of 32m2. Assume the sail is completely reflective. 1) After a full month of “½...
On a clear day, the total intensity of solar radiation incident at the Earth's surface is...
On a clear day, the total intensity of solar radiation incident at the Earth's surface is approximately 1000W/m2 Part a Assume our atmosphere absorbs 23% of the incoming solar radiation, and that the distance from the Earth to the Sun is 1.5 x 1011m. From this information, what do you expect is the total power output of the sun? [IMPORTANT: to express a number like 2 x 1021, type 2e21] Enter answer here O of 4 attempts used CHECK ANSWER...
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...
The region around the Earth is filling up with space junk such as old satellites. One idea for cleaning up space involves using sails that create drag (see figure below) Perhaps one day satellites will be equipped with sails that are deployed at the end of their missions. The NASA mission NanoSail-D was launched in 2010 to test this idea. This problem compares the drag on a solar sail due to the Earth's upper atmosphere with the force exerted on...
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...
the average amount of solar power reaching the earth is
approximately 1.4 kW/m2. The radius of the sun is 6.95*108
m.
The average amount of solar power reaching the earth is approximately 1 .4 kW/m'. The radius of the x108 m and the distance between the earth and the sun is 1.5x1011 m. The power radiated the sun is 6.25x10' W/m2. Assume the source of energy for the sun is the fusion reaction 4HHe +2(B+2v+ energy Estimate how much hydrogen...
On a clear day, the total intensity of solar radiation incident at the Earth's surface is approximately 1000W/m2 Part a Assume our atmosphere absorbs 23% of the incoming solar radiation, and that the distance from the Earth to the Sun is 1.5 x 1011m. From this information, what do you expect is the total power output of the sun? [IMPORTANT: to express a number like 2 x 1021, type 2e21] Enter answer here O of 4 attempts used CHECK ANSWER...
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