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The punter on a football team tries to kick a football so thatit stays in the air for a long "hang time." If the ball is kickedwith an initial velocity of 23.0 m/sat an angle of 59.5° above the ground, what is the "hangtime"?
A grating that has 3400 slits per cm produces a third-order fringe at a 24.0? angle. What wavelength of light is being used
State your answer in terms of and Use three significant figures in the numerical coefficient.
q1. what is the electric potential energy of three equal positive charges of 1.33 microc while they are arranged to
Take the mass of the sun to be m_s = 1.99×1030 {rm kg}, gravitational constant to be G = 6.67×10-11 {rm N} cdot {rm m^2/kg^2}, and an acceleration due to gravity at the earth's surface to be g = 9.810 {rm m/s^2}.
A 2700 kg truck traveling north at 42 km/h turns east and accelerates to 53 km/h. What is the change in the truck's kinetic energy
Two cars B and C approach car A in opp directions with a speed of 54 km/h each. At a certain instant, when the distance AB is equal to AC, both being 1km, B decides to overtake A before C does.
At time a grinding wheel has an angular velocity of 21.0. It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.6. From then on, the wheel turns through an angle of 435 as it coasts to a stop at constant angular dec..
A particle of charge q = e moves in a circle of radius = 0.54 m with speed v = 1.000×107 m/s. find the maximum torque exerted on the loop by a uniform magnetic field of magnitude B = 1.00 T
In a World Cup soccer match, Juan is running due north toward the goal with a speed of 7.70{\rm m/s} relative to the ground. What is the magnitude of the ball's velocity relative to Juan
q1. a parachutist descending at a speed of -13.0 ms loses a shoe at the altitude of 54.0 m.a when does the shoe reach
A 15.0 kg box is pushed up an 8.00 m long frictionless incline inclined at an angle of 30.0 degrees above the horizontal in 4.2 seconds. Find the average power required
A satellite has a mass of 92 kg and is located at 1.99 106 m above the surface of Earth. What is the magnitude of the gravitational force on the satellite
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