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In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0398 s, during which time it experiences an acceleration of 178 m/s2. The ball is launched at an angle of 50.0° above the ground. Determine the
(a) horizontal and
(b) vertical components of the launch velocity. answer in 4 significant figures.
A 790-N cliff diver in Alcapulco drops from a cliff 20.60 m above the water's surface. If friction is disregarded, what is the cliff diver's speed just before striking the water.
What portion of jet power lost to producing sound Powdered steel is placed in a container
A small plane departs from point A heading for an airport 500 km due south at point B, Determine the proper heading for the plane and the time of flight
A laboratory vacuum pump can reduce the pressure to 1.0 × 10^-7 Pa. If the volume of the chamber is 0.500m^3 and the temperature is 27°C
Two lenses, one converging with focal length 20.5cm and one diverging with focal length ?10.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.
finding the thermal conductivity (k) of a box with total surface area of 1.20 m and a wall thickness of 4cm is made of an insulating material. a 10 W electric heater inside the box maintain the inside temp. at 15 C above the outside temp.
An isolated conducting sphere has a 13 cm radius. One wire carries a current of 1.0000048 A into it while another wire carries a current of 1 A out of it. How long in seconds would it take for the sphere to enhance in potential by 820 V.
How much work would be required to move a 0.50 microCoulomb test charge from a point midway between them to a point 12 cm closer to ether of the charges?
A man exerts a 328 N force to move a box across a 3.55-m patch of ice. How much work does he do on the box.
A 11.0g bullet is fired horizontally into a 103g wooden block that is firstly at rest on a frictionless horizontal surface and connected to a spring of constant 154N/m. The bullet becomes embedded in block. If the bullet-block system compresses the s..
Calculate the magnitude of the gravitational force exerted on a 611-kg satellite that is a distance of two earth radii from the center of the earth, What is the magnitude of the earth's acceleration
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