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Your tube is a half meter long, with both ends closed. The speed of sound under current conditions (maybe different from the last experiment) is 339 m/s. What is the lowest resonant frequency (largest wavelength)?
A 16 kg rock, m, is on the edge of a 90 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible. What speed does the rock have as it strikes the ground
Three forces in the x-y plane act on a 5.5 kg mass: 10.3 N directed at 37°, 12.2 N directed at 128 °, and 4.1 N directed at 201° . Calculate the direction of the resultant force
You go to the playground and slide down the slide, a 3.0 meter long ramp at an angle of 36 degrees with respect to horizontal. How long does it take you to reach the bottom of the slide
A 40 turn coil of radius 5.4 cm rotates in a uniform magnetic field having a magnitude of 0.49 T. find the magnitude of the maximum torque exerted on the coil
A sample has a activity of 0.0021 Bq per gram of carbon. Find the age of the sample, assuming that the activity per gram of carbon in a living organism has been constant at a value of 0.23 Bq
The rotational velocity of a spinning disk decreases from 8 rev/s to 3 rev/s in 12 sec. What is the rotational acceleration of the disk
A pendulum of length 7.87 m is released from rest at an angle of 22.4 º from the vertical. What is the maximum speed of the pendulum
A model rocket rises with constant acceleration to a height of 3.8 m, at which point its speed is 24.0 m/s. How much time does it take for the rocket to reach this height
A 200g, 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm. A 20g block sits at the center of the turntable. What is the turntables angular speed
Suppose that you wish to fabricate a uniform wire out of 0.950 g of copper. Assume the wire has a resistance R = 0.600 ?, and all of the copper is used. What will be the length of the wire
A pendulum of mass 0.25 kg and length L= 1.0 m is attached to a line which is fixed at point P, determine the force of tension in the line
A fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. By how much does the fox clear the fence
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