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Problem: A soccer player kicks the ball from ground level with an initial velocity of 21 m/s at 35 degrees above horizontal.
Part A: What is the direction of the ball's velocity when it reaches the goal 30m (horizontal) away?
Please explain and show work to find the direction of the ball's velocity when it reaches the goal 30m (horizontal) away. Thank you!
A flower pot falls from the ledge of a building. A person in an apartment below, coincidentally holding a stopwatch, notices it takes 0.7s for the pot to fall past his window, which is 18m high. g=9.81m/s2. How far above the top of the window is t..
A solid cylinder of radius .35m is released from rest from aheight of 1.8m and rolls down an incline without slipping, What is the angular speed of the cylinder when it reachesthe horizontal surface
A 12.9-?F capacitor, a 22.1-k? resistor, a switch, and a 25.0-V battery are connected in series. What is the rate of change of the elecric field between the plates of the capacitor
A model of a helicopter rotor has four blades, each of length 3.30 m from the central shaft to the blade tip. The model is rotated in a wind tunnel at a rotational speed of 510 rev/min. What is the linear speed of the blade tip?
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
croquet balls all have a mass of 0.5kg. the green ball is moving at 12.0ms and strikes a blue ball which is still after
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
Suppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0-kg sample of helium gas
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 200Vbattery, What is the charge on the positive electrode
A Ball begins rolling at the left and has just suffient energy to climb up to point C, which is the top of the hill on the right
What is the speed of a 2.6 (kinetic energy) electron? What is the speed of a 2.6 proton?
A rigid container contains saturated water at a pressure of 2 bar and a quality of 0.42. Determine the final pressure of the container
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