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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 18.0 m/s. The cliff is h = 65.0 m above a flat horizontal beach.
How long after being released does the stone strike the beach below the cliff?
______ s
With what speed and angle of impact does the stone land?
_______ m/s _______ ° below the horizontal
er beam with wavelength ? = 6328 Å is incident normal to the plane of a diffraction grating. find the distance between the two first-order maxima in the pattern
A ball fastened to one end of a 28 cm string and the other end is held fixed to a support. The ball whirls in a horizontal circle. Find the speed of the ball in its circular path
High speed stroboscopic photographs show that the head of a 198 g golf club is traveling at 56.6 m/s just before it strikes a 45.0 g golf ball at rest on a tee. Find the speed of the golf ball just after impact
A 1.00-kg block of ice is placed against a horizontal spring that has force constant k = 175 N/m and is compressed 0.021 m. What is the speed of the block after it leaves the spring
High-speed stroboscopic photographs show that the head of a 170-g golf club is traveling at 47 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
A student with a mass of 70 kg sits in a roller coaster that has a vertical loop of radius r=20 m. what is the Normal force exerted by the seat on the student at the bottom of the loop
What is current temperature and peak wavelength What is the proper description of their situation
A coil has an inductance of 0.45 H and a resistance of 42 ohms. The coil is connected to a 5.6 V ideal battery. At what rate is the energy being dissipated
Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, What is the index of refraction of the material of the table
A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5N. How much work does the string do on the boy
A particle of mass 3.67 MeV/c2 and kinetic energy 11.01 MeV collides with a stationary particle of mass 11.01 MeV/c2. Find the mass of the system after the collision
A hoop (I = MR^2) of mass 2.0 kg and radius 0.50 m is rolling at a center-of-mass speed of 15 m/s. What is the new speed of the center of mass of the hoop?
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