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Two sources emit waves that are in phase with each other. What is the largest wavelength that will give constructive interference at an observation point 161 m from one source and 265 m from the other source?
An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s.
What is the speed of the arrow as it leaves the bow.
A spherical capacitor contains a charge of 3.20 nC when connected to a potential difference of 220 V, Calculate the radius of the inner sphere
A point charge 4.20 mu C is held fixed at the origin. A second point charge 1.60 mu C with mass of 2.80×10-4 kg is placed on the x axis, 0.280 {rm m} from the origin. The second point charge is free from rest. What is its speed when its distance f..
A victorious 92 kg hockey player moving initially at a spped of 3.2 m/s skates by the trophy table, How heavy is the cup
q1. sunlight enters a room at an angle of 31 above the horizontal and reflects from a small mirror lying flat on the
If the uncertainty in the energy of an excited state is a billionth of an electron volt (1 neV), what is the half-life of the state
A beam of protons at an accelerator creates a current of 120 mu/A. If the beam is focused on a target, how many protons strike the target in 30.0 s
A simple pendulum consists of a ball of mass 5.00 kg hanging from a uniform string of mass 0.0510 kg and length L, determine the speed of a transverse wave in the string when the pendulum hangs vertically
An automobile of mass 1500 kg moving at 25m/s collides with a truck of mass 4500 kg at rest. What is the final velocity of the car after the collision
(a) compute the absolute pressure at the bottom of a freshwater lake at a point whose depth is 25.5 m. assume the density of the water is 1.00 x10^3 kg/m3 and the air above is at the pressure of 101.3 kPa.
A stationary whistle emits a sound of 188Hz. If passengers in a car hear the whistle with a frequency of 198 Hz, how fast was the car moving? Make use of 340 m/s for the sound velocity.
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