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Question: What must the diver's minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.50m wide and 9.50m below the top of the cliff?
Explain how you came up the prefixes and answer please.
A 480HZ sound wave in 20 centigrade air propagates into the water of a swimming pool. Assume that the wave's speed in the water is 1480m/s. What is the wave's frequency in the water? What is the wave's wavelength in the water?
What is the magnetic flux passing through Ring 2 due to A and derive an expression for the induced emf in Ring 2, 62? How much current flows in Ring 2 and in which direction?
a 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2 , find the magnitude of the force of the dog on the elevator floor
A block of mass (m) slides around a circular path inside a conic surface with vertex angle 2 Θ. Find the speed of rotation at a height (h) above the vertex
A uniform 1.3-kg rod that is 0.76 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Find the angle that the rod makes with the horizontal
responding to an alarm an 88.4 kg fireman slides down a pole to the ground floor 4.60 m below. the fireman startsat
In a demonstration, a 0.5kg magnet isdropped to the edge of a rotating circular steel plate. the mass ofthe plats is 5kg, the radius 0.3m. find the angular speed after the magnet is attached to the plate
A single slit with width 820 nm is illuminated with light of wavelength 555 nm. How many minima occur in the angular range from ? = -26o to ? = 26o?
A uniform disk with a mass of 800 g and a radius of 17.0 cm is rotating on frictionless bearings with an angular speed of 18.0 Hz. Jill drops a 120 g ball of clay on a point 8.00 cm from the center of the disk. What is the new angular speed of the di..
a physics teacher performing an outdoor demonstration suddenly falls from rest off a high cliff and simultaneously
A uniform 0.25-kilog thin rod that has an 80-centimeter length is free to rotate about a fixed horizontal axis perpendicular to and through one end ram of the rod. Find the initial acceleration of the free end of the rod
A radioactive isotope has an activity of 8.09 mCi. After 3.05 hours the activity is 6.31 mCi. What is the half-life of the isotope?
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