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A harvest mouse can detect sounds as quiet as -10 . Suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrance to its nest. A very gentle breeze causes a leaf 1.8 from your head to rustle, generating a faint sound right at the limit of your ability to hear it. The sound of the rustling leaf is also right at the threshold of hearing of the harvest mouse.
How far is the harvest mouse from the leaf?
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 4 excited state. determine the photon wavelengths of the first transitions
An open organ pipe and an organ pipe that is closed at one end both have langths of .52 m at 20 degrees celsius. What is the fundamental frequency of each pipe in hertz
A light string is wrapped around a solid cylinder and a 200 g mass hangs from the free end of the string, what is the tension and the mass of the cylinder
An object 0.520cm tall is placed 17.0cm to the left of the vertex of a CONVEX spherical mirror having a radius of curvature of 24.0cm. Calculate the size of the image
An RLC circuit has a resistance of 2.0 k?, a capacitance of 8.0 µF, compute the phase shift between the current and the voltage
The upper surface of a cube of gelatin, 5.0 cm on a side, is displaced 0.64 cm by a tangential force. what is the magnitude of the tangential force
A football of mass0.420 kg is thrown 60 m by a quarterback who imparts to it an initial velocity at an angle of 45 degrees above the horizontal. what force does his hand exert on the ball
the most common use for the nand latch is as a switch debouncer. what is switch bounce and why do we need to eliminate
A bullet with mass m = 5:21 g is moving horizontally with a speed v = 498 m/s when it strikes a block of wood with mass M = 14.8 kg (initially at rest). What was the change in kinetic energy (J) of the bullet
A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
A curve is banked at an angle of 30 degrees with respect to the horizontal. what is the ideal speed for a motorist to take the curve when it is covered by glare ice
An optical engineer needs to ensure that the bright fringes from a double slit are 15.7 mm apart on a detector that is 1.61 m from the slits. how far apart should the slits be
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