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a) Calculate the acceleration due to gravity, your weight and your escape velocity for each planet in the solar system and Earth's moon. (Hint: use a spread sheet).
b) Just by looking at the dataset that you have produced explain why the Moon has no atmosphere.
c) How massive would a "planet" of radius 30km have to be before nothing, not even light, could not escape from it?You might find the following websites useful for answering this question
One of Saturn's moons has an orbital distance of 1.87 x 108 m. estimate a mass for the planet Saturn
If a bullet is fired vertically upwards with the speed calculated in (b), what is the maximum height that the bullet can reach.
A 1.6kg eagle flying 30m/s west grabs a 0.8kg pelican going 30m/s east. What is the final speed of the eagle and pelican together
Alan leaves Los Angeles at 8:00 a.m. to drive to San Francisco, 400 mi away. He travels at a steady 47.0mph. How long does the first to arrive have to wait for the second
One of the most powerful cranes in the world operates in Switzerland. If it takes 1.00 min to lift the load at constant velocity to this height, find the power developed by the crane
A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , At what angle does the crate begin to slide
The position of a 300 object is given (in meters) by 5t^3-7.9t^2-45t , where t is in seconds. What is the average net power input during the interval from t=0s to t=1.9s
What is the internal resistance of a 12.0-V car battery whose terminal voltage drops to 9.5V when the starter motor draws 77A
A 0.38 H inductor and a 225 ohm resistor are connected in series to an AC generator with an rms voltage of 30V and a frequency of 60 Hz. Find the rms values of the current in the circuit
A square coil, enclosing an area with sides 3.4 cm long, is wrapped with 2,224 turns of wire. What average voltage is induced in the coil
A person who weighs 645 N is riding a 94.9 N mountain bike. what is the area of contact between each tire and the ground
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
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