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A wheel, originally rotating at 126 rad/s undergoes a constant angular deceleration of 5.00rad/s2. Find its angular speed after it has turned through an angle of 628 radians?
Lawn spheres placed on a pedestals are convex mirrors. Onesphere has the diameter of 37 cm. What is the height of the bird's image
A car with a mass of 1600 kg is initially traveling at 72 m/s. Find the energy required to stop the car
A car travels at a constant speed around a circular track whose radius is2.2km. The car goes once around the track in290s. What is the magnitude of the centripetal acceleration of the car?
A rectangular block of glass (n = 1.52) surrounded by a liquid with n = 1.70. At what angle does the ray leave the glass at point B
The length of a simple pendulum is 0.72 m, the pendulum bob has a mass of 295 g, and it is released at an angle of 12° to the vertical. What is the pendulum bob's speed when it passes through the lowest point of the swing
A spring is first stretched 2.0 cm from its unstressed length. Itis then stretched an additional 2.1 cm. How does the work required forthe second stretch compare to the work required for the firststretch (give a ratio of second to first)? (Be sure yo..
What is the result of mixing 80g of ice at -20 degrees Celsius, into a 200g of water at 20 degrees Celsius?
A positively charged object with a mass of 0.114 kg oscillates at the end of a spring, generatingELF (extremely low frequency) radio waves that have a wavelength of5.04 107 m.
a farsighted man uses eyeglasses with a refractive power of 2.15 diopters. wearing the glasses 0.02 m from his eyes he
In an experiment designed to measure the speed of light, a laser is aimed at a mirror that is 53.0 km due north. By how many meters (due east) will the reflected ray miss the detector
Explain how the earth’s geomagnetic field is created? Hint: be sure to include thedirection of the earth’s current. Why is Northern Canadabombarded by more intensecosmic radiation (solar wind) than Mexico is? Why do astronauts keep to altitudesbeneat..
a particle is trapped in an infinite square well in the first excited state .a what is the wavefunction of the
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