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Halley's comet has a period of approximately 76 years, and it moves in an elliptical orbit in which its distance from the Sun at closest approach is a small fraction of its maximum distance. Estimate the comet's maximum distance from the Sun in astronomical units (AUs) (the distance from the Earth to the Sun).
6 AU
12 AU
20 AU
28 AU
35 AU
you hit a ball of mass 0.5 kg. the force you apply to the ball is 20 n for a time of 0.3 s.a. what is the impulse?b.
A geosynchronous orbit is one in which the satellite orbits above the equator, and has an orbital period of 24 hours, so that it is always above the same point on the spinning earth. Calculate the altitude ofsuch a satellite.
A rectangular block of ice 12 m on each side and 1.3 m thick floats in sea water. The density of the sea water is 1025-kg/m3. The density of ice is 917 kg/m3. How many penguins of mass 26 kg each can stand on the ice block before they get their fe..
A particle is in the ground state of an infinite square well. Find the probability of finding the particle in the middle third of the well
The width of the contact of each wire with your skin is 1.10 cm and the thickness of the conducting layer of your skin is 0.023 mm, calculate the resistivity of your skin
A pair of closely spaced parallel conducting plates, charged with equal and opposite electric charges, produces a uniform electric field in the region between them. What must the strength of the electric field be
2 positive charges each is 4 micro C located at the positions (0,0) and (20,0) and all coordinates are in cm, calculate the electric field due to the two charges
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.8 seconds, then what is the acceleration and what is the distance that the sled travels?
A 5mm tall object is placed in front of a thin lens of focal length 4cm. what is the distance of the object from the lens
Please explain in detail and step by step a 1.0kg block is held at rest against a spring with a force constant k = 740N/m. Find d such that the block's speed after crossing the rough patch is 2.4m/s
An air-filled parallel-plate capacitor has plates of area 2.70 cm2 separated by 2.00 mm. The capacitor is connected to a 18.0-V battery. What is the magnitude of the uniform electric field between the plates
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.68 m/s. What is the speed of the 40.0 gram block after the collision
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