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Your opponent, in a desperate attempt to return your wicked serve, makes a high lob of the tennis ball that causes it to land out of bounds on the asphalt course behind you. It then bounces so that it just barely clears a 3.50 m wall that is 2.22 m from where the ball hit the asphalt and that is separating your court from the next. In the adjacent court play is suddenly interrupted by the ball leaving your court and bouncing 1.50 m up into the action. How far horizontally, in meters, does the ball travel in this second bounce? Hint: Use the trajectory of the first bounce to get the horizontal speed, and assume that it remains unchanged between bounces.
A metallic, spherical Christmas tree ornament has a diameter of 16.00 cm. find where will he see his reflection in the mirror
A 9.00-V battery delivers a current of 1.37 A to the lightbulb filament of a pocket flashlight. How many electrons pass through the filament
A motorcycle traveling with a constant acceleration of 2.0 m/s sq crosses a 100 m long bridge in 4.23 sec. What was the velocity at the end of the bridge
A 7 g bullet moving horizontally at 200 m/s passes through a 150 g tin can sitting on a post. What was the bullets speed after leaving the can
Two circular metal plates of radius 0.17 m and thickness 8.5 mm are used in a parallel plate capacitor. A gap of 1.7 mm is left between the plates, What is the capacitance of this capacitor
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed tocollide into a tumor, killing the malignant cells. Suppose a protonaccelerator is 7.3 m long andmust accelerate proton..
Imagine four resistors: R1=600 ohms, R2=600 ohms, R3=300 ohms, R4=300 ohms. R1, R2, and R3 are connected together in a parallel plane; then R4 is connected in series with them; and finally the combination of all four resistors is connected to a 50..
two displacement vectors when added produce a resultant of magnitude 100km pointing 37° south east. find the magnitude and direction of the other displacement vector.
a car moving at 80 km/hr is brought to a stop in 5 seconds. How far did the car travel while stopping
A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the tooth is formed 14.0 cm behind the mirror. Determine the magnification of the image
A railroad car of mass 2.54 104 kg, is moving with a speed of 3.91 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A 9.0 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. What is the mass of the canoe
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