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A competitive mini-golf player notices an opponent's ball situated 50cm in front of a wallcontaining two tunnels. One tunnel leads to the hole, the other to a bunker. The playerskillfully putts their ball due East at the opponent's ball with a velocity of 4m/s. Theopponent's ball is knocked 20° to the South of East with a velocity of 1.7m/s into the tunnelleading to the bunker. Meanwhile the player's ball travels into the second tunnel locatedNorth of East (to great applause from spectators). If the player's ball weighed 40g, and theopponent's ball weighed 45g, how far apart were the centres of the two tunnels?
a girl is using a rope to pull a box that weighs 300 N across a level surface with constant velocity. what is the normal force of the floor on the box
A 26-mH inductor, an 7.9-? resistor, and a 6.2-V battery are connected in series.The switch is closed at t = 0. Find the voltage drop across the inductor at t = 0. V
A generator with an rms voltage of 15\30V is connected in series to a resistor 3.25 kilo-ohm and a capacitor 3.50 microfarad. Using the frequency found in part A, find the average power consumed by this circuit
Water flowing through a 2.9 cm-diameter pipe can fill a 300L bathtub in 3.6 min. What is the speed of the water in the pipe
What capacitance must be used in this circuit if the time constant is to be 3.4 ms.
A sphere of radius 1.0 cm is dropped into a glass cylinder filledwith a viscous liquid. The mass of the sphere is 12.0 g and thedensity of the liquid is 1200 kg/m3. The sphere reaches a terminalspeed of 0.15 m/s. What is the viscosity of the liquid?
You have three light-bulbs in series. The first is 60W the next is 120W and the last is 240W. They are all at 120v. Which light-bulb has the highest resistance. I use the equation.P=I^2R and found the 240W to be the highest. This is wrong. Which ligh..
An object is placed 19 cm to the left of a converging lens of focal length 30 cm. Find the position and magnification of the final image
A 3.65 kg particle is located on the x-axis at xm =?8 m, find the coordinate of the center of mass of this two-particle system
You push with a horizontal force of 50.0N against a 24.0N box, pressing it against a rough wall to hold it in place. what is the friction force of the box
The only two forces acting on a body have magnitudes of 20N and 38N and a directions that differ by 76 degrees. What is the mass of the body
the bridge is 3910m long and is constructed of steel. how much longer is the bridge on a warm summer day (30.0 C) than on a cold winter day (-5.0 c)
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