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Assume this asteroid has the shape of a sphere. A rock sitting on the surface of the asteroid has a weight of 100 Newtons. What would the weight of this rock be if it were moved to a distance above the surface equal to the radius of the asteroid? It may be helpful to draw a picture to better visualize what is going on. How is the mass of the rock affected by its change in position?
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction grating with a slit spacing of 1.70 × 10-4 cm
The wall of a house consists of three layers: a wooden outer wall with an R factor of 1.0, a 3in layer of fiberglass insulation with an R factor of 11, what is the rate of heat loss throug an 8ft by 15ft section of this wall
If an organ pipe, 2 ft long and with one end closed and one end open, how long is the second organ pipe
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
A jet of water squirts out horizontally from a hole near the bottom of the tank. If the hole has a diameter of 3.40 mm, what is the height, h, of the water level in the tank.
A person pulls a 26kg suitcase using a rope attached to the suitcase at an angle of 28 degrees to the horizontal. The coefficient of static friction of the suitcase with the floor is 0.3 and the coefficient of kinetic friction is 0.20.
A 620g object traveling at 2.1m/s collides head-on with a 320g object traveling in the opposite direction at 3.8m/s. what is the change in the kinetic energy of the 620g object
Kelli weighs 405 N, and she is sitting on the playground swing that hangs 0.43 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. suppose that air resistance is negligible.
An object is placed in front of a diverging lens of focal length of 17.0cm, Using the thin lens equation find the distance from the lens to the object and from the lens to the image
At what time does the bolt hit the top of the still-decending elevator.
A ball is thrown toward a cliff of height h with a speed of 29m/s and an angle of 60? ^\circ above horizontal. It lands on the edge of the cliff 3.5s later. How high is the cliff
An airplane is flying in a jet stream that is blowing at 45.0 m/s in a direction 18° south of east, What is the airplane's speed relative to the earth
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