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Astronaut Alan Shepard famously hit a golf ball from the Moon's surface, where the acceleration of gravity is only 1.62m/s2. Assuming the ball launched at a speed of 25.0 m/s (his swing was slow due to the bulky space suit) and an angle of 40.0o above the horizon, how far away did the ball land? Assume a constant gravitational acceleration of 1.62m/s2, no air resistance (the Moon has no atmosphere), and that the surface of the Moon is flat over these distances.
for a system with an undamped natural frequency of 100 hz and a damping ratio of 0.05 what is the maximum frequency of
archaeologists often find only parts of ancient human remains. for example they may find a small finger bone called the
The expression found in part (d) is a cubic equation. There are standard algebraic solutions to this type of equation, but it is sometime quicker and easier to use other methods. explain a way to get a reasonably accurate estimate of v (say, to th..
an ideal air conditioner operating on a carnot cycle absorbes heat q2 from a house at temperature t2 and discahrges q1
A 50.0 kilogram child stands at the rim of a merry-go-round of radius 1.60 meter, rotating with an angular speed of 2.85 rad/s. Find the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path
the armature of an ac generator has 100 turns. each turn is a rectangular loop measuring 8.0 cm by 12 cm. the
A diver on a diving board is undergoing simple harmonic motion. Her mass is 55.0 kg and the period of her motion is 0.800 s. What is his mass if the mass of the board is negligible
A neutron star is the remnant left after certain supernovae (explosions of giant stars). Typically, neutron stars are about 20 in diameter and have around the same mass as our sun. What is a typical neutron star density in g/cm^3?
You are an astronaut (m = 115 kg) and travel to a planet that is the same mass and size as Earth. This new planet, however, rotates more rapidly with a period of only 4 h. Considering the centripetal acceleration caused by this rotation, what is the ..
A hydrogen molecule consists of two hydrogen atoms whose totalmass is 5.3 * 10 -26 kg, find the effective distance between the atoms
A particle has a charge of q = +5.9 μC and is located atthe orgin. As the drawing shows, an electric field of E x = +233N/C exists along the x axis. A mangnetic field also exists, andIt's x and y components are Bx = +1.5 T and By = +1.3 T.
A sinusoid ally vibrating electric charge produces an electromagnetic field traveling in the z direction. The electric field E produced points in the y direction and the magnetic is given with B=0.25sin(5z-3x10^13t)x. Decide E, the amplitude of t..
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