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The MetLife blimp, Snoopy One, is moving at a constant velocity of 18.93 m/s. Its velocity vector makes an angle of 15 degrees with respect to the horizontal. When it is 490.0 m above the ground, one of its engines falls off. Bummer! How long does it take the engine to hit the ground.
A wire is stretched between two posts. Another wire is stretched between two posts that are twice as far apart. What would be the speed of the wave on the longer wire
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, 15 above the moat. The rock is launched at a speed of 21 and an angle of 30 above the horizontal. How far from the castle wall does the launched..
A space vehicle is coasting at a constant velocity of 20.6 m/s in the +y direction relative to a space station. determine the magnitude of the vehicle's velocity
Two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by y(x, t) = 0.01 sin(44x)cos(1090t). The string has a linear mass density of 0.01 kg/m, and the tension in the string is supplied by a m..
You irradiate some tumor cells with X rays in a pure nitrogen atmosphere and you find that 10% of the cells survive a dose of 8 Gy. In air 90% of these cells die after 3 Gy of X rays. What is the Oxygen Enhancement Ratio for these cells?
a an energetic photon of wavelength 5.1 nm scatters off an electron at rest at an angle of 63 degrees. what is the
A boy is practicing tennis by hitting a ball at a wall. He hits the ball at 0.91 m above the ground. How high is the ball when it hits the wall
A factory worker moves a 30.0 crate a distance of 5.20 along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
Light of wavelength 490.1 nm falls on two slits spaced 0.32 mm apart. What is the required distance from the slits to the screen
A hot-air balloon is rising upward with a constant speed of 3.87m/s. When the balloon is 9.27 m above the ground, the balloonistaccidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
a spherical water drop 1.60 ?m in diameter is suspended in calm air owing to a downward-directed atmospheric electric
A 21.7-kg child descends a slide 3.5 m high and reaches thebottom with a speed of 2.2 m/s. How much thermal energy due tofriction was generated in this process
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