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An oscillating spring block system has a mechanical energy of 2.2 J and amplitude of 0.1m. Its maximum speed is 0.63 m/s. What is the frequency of oscillation of the spring block system?
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1380 Hz. What is the speed of the bird
A banked circular highway curve is designed for traffic moving at 67km/h. The radius of the curve is 209 m. Traffic is moving along highway at 48km/h on a rainy day.
Consider a length of pipe in air. (Take the velocity of sound in air to be 343 m/s.) Calculate the length for a pipe that has a fundamental frequency of 360 HZ if the pipe is open at both ends
two horizontal forces f1 and f2 are acting on a box. f2 can point either to the right or to the left. the box moves
The coefficients of static and kinetic friction between a 524crate and the warehouse floor are 0.665 and 0.320, respectively. find the acceleration of the crate after it has begun to move
The positive muon , an unstable particle, lives on average 2.20×10?6 (measured in its own frame of reference) before decaying. what average lifetime is measured in the laboratory
a decorative light fixture in an elevator consists of a 2.0 kg light suspended by a cable from the ceiling of the
A majorette in a parade is performing some acrobatic twirlings of her baton. Assume that the baton is a uniform rod of mass 0.120kg and length 80.0m With a skillful move, the majorette changes the rotation of her baton so that now it is spinning abou..
question11 give an everyday instance that illustrates the difference between acceleration and velocity. give a case of
A wheel of radius 30 cm is rotating at a rate of 2.0 revolutions every 0.080 s. What is the wheel's frequency of rotation
A typical adult human lung contains about 330 million tiny cavities called alveoli. Estimate the average diameter of a single alveolus
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 2.50 hours. What is the density of the planet? Assume that the planet has a uniform density.
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