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The speed of an arrow fired from a compound bow is about 29 m/s. An archer sits astride his horse and launches an arrow into the air elevating the bow at an angle of 35 degrees above the horizontal and 2.6m above the ground. The acceleration of gravity is 9.81 m/s^2. What is the arrow range?
A 65 kg skateboarder comes over the top of a hill at 5.0 m/s and reaches 10 m/s at the bottom. Find the total work done on the skateboarder
Two wires A and B are of equal length. Each is attached at one end to the ceiling and to a weight at the other end. The cross-sectional area of A is 2.00 mm2 and that of B is 4.00 mm2.
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. What is the approximate temperature at this altitude
What is the tension in the string
It is Possible for a large star (one greater than 1.4 Solar masses) to Gravitationally collapse, crushing itself into a tiny neutron star 50 km in diameter, WHat would be the spin rate for the resulting Neutron Star
Joseph is standing 0.80 meters in front of a big spherical mirror (concave mirror), and sees his image upright and magnified 3.0x bigger than he is. Find the radius of curvature of the mirror
Three solid plastic cylinders all have radius 2.50 cm and length 6.00 cm. Find the charge of the cylinder
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
electrons flow through a 2.2 mm diameter aluminum wire at 2.2 x 10^-4 m/s. *electron density of aluminum is 6 x 10^28 m^-3*
A toy train is pushed forward and released at x0=2.0 m with a speed of 2.0 m/s. What is the magnitude of the train's acceleration after its wheel begins to stick
A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample
A 5.00 x 10^4 kg space probe is travelling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to decrease the probe's speed. The retrorockets generate a force of 4.00 x 10^5 N over a distance of 2600 km. What ..
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