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A soccer player kicks the ball off the ground at an angle ? above the horizontal. The ball is in the air for 3.0 seconds and lands 40 m away (assume the field is level).
a) Find the soccer ball's initial horizontal (vox) velocity component.
b) Find the soccer ball's initial vertical (voy) velocity component.
Find the work done by this force on the particle and the final speed of the particle as it moves along a path.
What are the corresponding velocity vectors
Sketch a free body diagram for the hot air balloon. When the burner is turned on what force is required to cause an upward acceleration of 5m/s squared?
A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.5 m/s and then has the similar kinetic energy as the son.
What is the distance Delta y_max-min between the second maximum of laser 1 and the third minimum of laser 2, on the same side of central maximum.
An ice machine converts 10 degree celsius water to 0 degree celsius ice. The ice machine has a COP of 3 and consumes elec
A hot dog cooker heats hot dogs by connecting them to 120 V household electricity. A typical hot dog has a mass of 50g and a resistance of 130ohm . How long will it take for the cooker to raise the temperature of the hot dog from 20c to 80c ? The ..
A particle moves horizontally in uniform circular motion, over a horizontal xy plane, What are the coordinates of the center of the circular path
The net force on the object is not zero in Tubby's frame, but there is an inertial frame in which net force is zero.
A square conducting loop has side a and carries clockwise current I as shown in the diagram. calculate the magnitude and direction of the magnetic field at the center of the square
A laser beam is directed at the top mirror from the left edge of the bottom mirror. Elucidate what is the smallest angle of incidence with respect to the top mirror, such that the laser beam
A flea pulls on a puck with force 7 microN at an angle of 30?. Another flea pulls on the puck with force 2 microN at an angle of -60?.
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