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Question: A football kicker is trying to make a field goal from 45.0m. If he kicks at 40 degrees above the horizontal,
Part A: What minimum speed is needed to clear the 3.05m high crossbar?
I need help to find what minimum speed is needed to clear the 3.05m high crossbar.
At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam directly strikes the other person
Assume the radii you use for the experiment are 6cm and 8cm. how much would the critical velocity change
a small charged bead has a mass of 3.7 . it is held in a uniform electric field 200000 up. when the bead is released
A certain digital camera having a lens with focal length 7.50cm focuses on an object 1.90m tall that is 4.70m from the lens. How far must the lens be from the photocells
A bullet is fired through a board 5.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
Assume the skin temperature of a naked person is 35.1 °C when the person is standing inside a room whose temperature is 22.7°C. The skin area of the individual is 1.77 m 2.(a) Assuming the emissivity is 0.767, discover the net loss of radiant power..
a charge of 8.00 mc is placed at each corner of a square 0.95 m on a side. determine the magnitude and direction of the
You need to fit a copper collar tightly around a steel shaft that a has a diameter of 5.600 cm at 20°C. The inside diameter of the collar at that temperature is 5.573 cm. What temperature must the copper collar have so that it will just slip on the s..
A 0.144 kg baseball is moving towards home plate with a speed of 43.0 m/s when it is bunted. The bat exerts an average force of 6.50 Ã? 103 N on the ball for 1.30 ms, What is the final speed of the ball
a spherical mirror is polished on both sides. when the concave side is used as a mirror the magnification is 3.3. what
In a Young's double-slit experiment, two rays of monochromaticlight emerge from the slits and meet at a point on a distantscreen. The point on the screen where these two rays meet isthe eighth-order bright fringe.
A small round solid object beta equals 3/4 of mass m and radius r is released from rest at height h on a circular loop track of radius R. The objects rolls without slipping and the radius of the object is much less
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