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You serve a tennis ball from a heigth of 1.8 m above the ground. The ball leaves your racket with a speed of 17.9 m/s at an angle of 6.90degree above the horizontal. The horizontal distance from the court's baseline to net is 11.87 m, and the net is 1.07 m high. Neglect spin imparted on the ball as well as air resistance effects.
Does the ball clear the net?
If yes, by how much? if not, by how much?
Calculate the electric field at the center of a square 52.5 cm on a side if one corner is occuppied by a +45.0 uC charge and the other three are occupied by -27.0 uC charge
In a Hall-effect experiment, a current of 2.9 A sent lengthwise through a conductor 0.89 cm wide, 3.1 cm long,, find the drift speed (in m/s) of the charge carriers
A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she is accelerated from rest to a speed of 13 m/s in 9.4 s
A certain part of an aircraft engine has a volume of 2.3 ft3. Determine the weight of the piece when it is made of lead
A child slides down a snow-covered slope on a sled. At the top of the hill, her mother gives her a push at a speed of 1.5 m/s to get her started. find the angle that the hill makes with the horizontal
Explain how equilibrium is achieved. Provide a graph with your explanation. Place medicine on the horizontal axis and tequila on the vertical axis. Clearly label the budget line and the indifference curves before and in equilibrium.
A 2.0-kg mass is hung from a spring ofspring constant 18 N/m, displaced slightly from its equilibriumposition, and released. What is the frequency of its vibration
An AC voltage with an amplitude of 105 Volt is applied to a series combination of a 226 x 10-6 F capacitor, a 106 mH inductor, and a 17.1 ohm resistor. Find the power factor at this frequency
an insulating rod of length 2a is aligned along the y-axis and centered on the x-axis. if the rod has a linear charge
If you connect three resistors with values of 100 ohms, 250 ohms, and 400 ohms together in series, what is the effective resistance of the combination of the three
A capacitor is discharged through a 20 \Omega resistor. The dischargecurrent decreases to 23\% of its initial valuein 1.9 ms. What is the value of the capacitor?
A 85.5-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.59 rad/s. Find the angular velocity of the platform with its load
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