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A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 21.0 m/s. The cliff is h = 71.0 m above a flat horizontal beach.
How long after being released does the stone strike the beach below the cliff?
With what speed and angle of impact does the stone land?
___________° below the horizontal
A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V? There should be an x1 and an ..
Sketch a sinusoidal wave with an amplitude of 1 cm and a wavelength of 7 cm. What is the amplitude of the sum of these waves
A strip of doped silicon 315 µm wide contains 9.0 1022 conduction electrons per cubic meter and an insignificant number of holes. What is the thickness of the strip
A proton is shot at 4 × 107 m/s toward a gold atom, with a mass 197 times that of the proton and deflects it straight back with 90% of its initial speed
Discover the tensions in the rope
Type your question hereAn aircraft with a mass of 963 kg accelerates from 0 to 80 m/s in 8.1 seconds, What is the kinetic energy of the aircraft
What is the magnitude of the magnetic field that the spectrometer uses? In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery
An ideally efficient airplane engine provides work as heat flows from 1400 K burned gases to 260 K air
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High speed stroboscopic photographs show that the head of a 246 g golf club is traveling at 56.2 m/s just before it strikes a 47.0 g golf ball at rest on a tee. Find the speed of the golf ball just after impact
A ball is released from the top of a cliff; it hits the ground 1.1 seconds later. how many meters is the cliff above the ground below
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