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At one end of a ripple tank 90 cm across, a 6 Hz vibratorproduces waves whose wavelength is 50 mm. Find the time the waves need to cross the tank.
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
The Syncom communication satellite was placed in its high-altitude geosynchronous orbit of radius 4.23 x 10^7m in two steps. What is the increase of total mechanical energy during this change of orbit
A projectile proton with a speed of 500 m/s collides elastically with a target proton initially at rest. What is the speed of the target proton after the collision
A 7.05 bullet traveling at 520 m/s embeds itself in a 1.85kg wooden block at rest on a frictionless surface. Find the amplitude of the subsequent simple harmonic motion
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
A nickel crystal is used as a diffraction grating for x-rays. Then the same crystal is used to diffract electrons. what is the kinetic energy of each electron
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure shows the force of the wall on the ball throughout the collision.
A cell membrane has a surface area of 1.0 x 10^-7 m^2, a dielectric constant of 5.6 and a thickness of 8.5 nm. How much energy is stored in this capacitor
A driver in a car travelling at the speed of 78 km/h sees a cat km away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 99 m.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
The stoplight had just changed and a 1800 kg. Cadillac had entered the intersection, heading north at 2.4 m/s , How fast was the Volkswagen going just before the impact
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