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Question: A student at the top of a building of height h throws one ball straight upward with an initial speed of v0. He throws a second ball straight downward with the same initial speed, v0.
Part A: Write an expression for the time it takes for each ball to reach the ground.
I am need of complete solution for this question please help- me out to get right solution.
A generator rotates at 71 hz in a magnetic field of 5.0x10^-2 T. It has 1000 turns and produces an rms voltage of 150v and an rms current of 52A. a) What is the peak current produced? b) What is the area of each turn of the coil?
If an object on a horizontal frictionless surface is attached to a spring, displaced, and then released, it oscillates. Estimate the frequency of the motion
A ball rolls horizontally with a speed of 8.1m/s off the edge of a tall platform.If the ball lands 6.1m from the point on the ground directly below the edge of the platform
Red light of wavelength 675.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
An ambulance with a siren emitting a whine at 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. How fast is the ambulance moving
What fraction of the initial kinetic energy was transferred
Physics: How much time is required to row cross the river? How wide is the river?, A river man can row his boat at a speed of 2.5 m/s through still water. He wants to row directly across a river that has a current flowing at 1.5m/s
An electric dipole consisting of charges of magnitude 3.40 nCseparated by 8.80 μm is in an electric field of strength 1380N/C. What are (a) the magnitude of the electric dipole moment and (b) the difference between the potential energies for dipol..
You hold a spherical salad bowl 90 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 35 cm radius of curvature. What is the image (your face's image) distance along the central axis fr..
A string which has a mass of 0.50 kg and a length of 3.0 m is clamped on both ends. If the tension in the string is 25 N, what are the lowest 3 natural frequencies of oscillation of the string? Give sketch for each pattern.
A 4.5 W flashlight bulb draws 750 mA. At what voltage does it operate
When 130 V is applied across a wire that is 7.5 m long, the magnitude of the current density is 16,486 A/m2. Find the resistivity of the wire in ohm-meters
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