Homework Answers
Given
Distance from earth =5*108 km
Angle =0.00125 degree
Linear distance = 5*108 *0.00125 =625000 km
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A comet that is 500,000,000 km from Earth has a measured angular diameter of 0.00125 degrees....
A car moving at 87 km/h has tires of 76 cm diameter. If the vehicle comes...
A car moving at 87 km/h has tires of 76 cm diameter. If the vehicle comes to a stop uniformly in 35 complete turns of of the tires (without skidding), what is the magnitude of the angular acceleration of the wheels? Your answer should be in rad/s2, but enter only the numerical part in the box.
A relatively small impact crater 20 kilometers in diameter could be made by a comet 2...
A relatively small impact crater 20 kilometers in diameter could be made by a comet 2 kilometers in diameter traveling at 25 km/s (2.5×104 m/s ). a) Assume that the comet has a total mass of 4.2×1012 kilograms. What is its total kinetic energy? (Hint: The kinetic energy is equal to 12mv2, where m is the comet's mass and v is its speed. If you use mass in kilograms and velocity in m/s, the answer for kinetic energy will have...
The diameter of Mars is 6794 km , and its minimum distance from the earth is...
The diameter of Mars is 6794 km , and its minimum distance from
the earth is 5.58×107 km. When Mars is at this distance, find the
diameter of the image of Mars formed by a spherical, concave
telescope mirror with a focal length of 1.65 m.
Please make sure the answer is in the right units! Thank
you.
Review | Constants The diameter of Mars is 6794 km , and its minimum distance from the earth is 5.58x107 km ....
A refracting telescope is used to view the Moon (diameter 3480 km, distance from Earth 385,000...
A refracting telescope is used to view the Moon (diameter 3480 km, distance from Earth 385,000 km). The focal lengths of the objective and eyepiece are +2.45 m and +16.1 cm, respectively. (a) What should be the distance between the lenses? m (b) What is the diameter of the image produced by the objective? cm (c) What is the angular magnification?
The intensity of an earthquake wave passing through the Earth is measured to be 20x10 J/(mºs)...
The intensity of an earthquake wave passing through the Earth is measured to be 20x10 J/(mºs) at a distance of 45 km from the source Part A What was its intensity when it passed a point only 20 km from the source? Express your answer to two significant figures and include the appropriate units. A Value OR? Units Submit RESTA Part B At whatrate did energy pass through an area of 70 m2 at 20 km? Express your answer to...
Problem 2: Haley's Comet (A Real Life Example): Important: for this problem, complete all numerical work...
Problem 2: Haley's Comet (A Real Life Example): Important: for this problem, complete all numerical work to a precision of at least six significant digits. Specifically: use the following precise values for astronomical constants: • Mass of the Sun = 1.98855 x 1030 kg • 1 AU = 149,597,870,700 meters . G=6.67384 x 10-11 N·m²/kg? Neptune Uranus Saturn Jupiter 05 2000 2005 2000----1995 2010 19921989 1988 1987 2024 1986 2061 2040 2060 2045 2050 2055 2056 2057 2058 2059 In...
The primary mirror on a telescope that orbits 600 km above Earth has a diameter of...
The primary mirror on a telescope that orbits 600 km above Earth has a diameter of 2.4 m. a) Calculate the minimum angular separation that it might resolve for visible light. b) Assume that the telescope is viewing Earth’s surface. What is the separation of the most closely spaced objects that it might resole?
What is the angular diameter of a star like the sun located 6 ly from Earth? ...
What is the angular diameter of a star like the sun located 6 ly from Earth? (I have the formula I need to determine this answer, but I am looking for some guidance on how to enter this equation in my calculator to arrive at the final answer. Can anyone help?)
A satellite is in Earth orbit with an altitude at perigee of 500 km and an altitude at apogee of 700 km.
A satellite is in Earth orbit with an altitude at perigee of 500 km and an altitude at apogee of 700 km. What is the semimajor axis of the orbit? Please only submit a number in the answer box (do not include units). I will assume the answer you submit is in kilometers.
The moon is approximately 400000 km from the earth. What should be the minimum diameter of...
The moon is approximately 400000 km from the earth. What should be the minimum diameter of the mirror of the telescope that would allow us the see two lunar creatures that are 8 km apart as separate objects? Take the wavelength of the moonlight to be 550 nm. Answer should be D>3.4 cm
The diameter of Mars is 6794 km , and its minimum distance from
the earth is 5.58×107 km. When Mars is at this distance, find the
diameter of the image of Mars formed by a spherical, concave
telescope mirror with a focal length of 1.65 m.
Please make sure the answer is in the right units! Thank
you.
Review | Constants The diameter of Mars is 6794 km , and its minimum distance from the earth is 5.58x107 km ....
The intensity of an earthquake wave passing through the Earth is measured to be 20x10 J/(mºs) at a distance of 45 km from the source Part A What was its intensity when it passed a point only 20 km from the source? Express your answer to two significant figures and include the appropriate units. A Value OR? Units Submit RESTA Part B At whatrate did energy pass through an area of 70 m2 at 20 km? Express your answer to...
Problem 2: Haley's Comet (A Real Life Example): Important: for this problem, complete all numerical work to a precision of at least six significant digits. Specifically: use the following precise values for astronomical constants: • Mass of the Sun = 1.98855 x 1030 kg • 1 AU = 149,597,870,700 meters . G=6.67384 x 10-11 N·m²/kg? Neptune Uranus Saturn Jupiter 05 2000 2005 2000----1995 2010 19921989 1988 1987 2024 1986 2061 2040 2060 2045 2050 2055 2056 2057 2058 2059 In...
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