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What are the formulas for these questions:
1. If stiffness of the medium inceases and the time remains unchanged, what happens to the distance?
2. If the compressibility of the medium decreases and the distance remains unchanged, what happens to the time?
3. If stiffness decreases and the time decreases, what happens to the distance?
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial direction
A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. What is the ac input voltage
A 24-V battery is connected in series with a resistor and an inductor, with R = 4.4 ? and L = 7.6 H, respectively. (a) Find the energy stored in the inductor when the current reaches its maximum value. J (b) Find the energy stored in the inductor one..
A planet orbits a star once every 2.99 107 s in a nearly circular orbit of radius 1.51 1011 m. determine the tangential speed of the planet
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
Find the angle of the first order maximum. what horizontal distance does it travel before it lands on building.
A satellite moves in a circular orbit around the Earth at a speed of 5680 m/s. Determine the period of the satellite's orbit
John is farsighted and cannot see objects clearly that are closer to the eye than 65.0 cm. What is the focal length of the contact lenses
At t = 5 s, an object moving on the x-axis at x = 3 m is traveling at 8 m/s i. At t = 9 s, it is at x = 17 m and its velocity is -1 m/s i. Find the average acceleration for this interval
A 18.2-? resistor is made from a coil of copper wire whose total mass is 18.5g. What is the diameter of the wire
One generator uses a magnetic field of 0.185 T and has a coil area per turn of 0.0405 m2, What magnetic field should be used in the second generator
A 100kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30 below the horizontal. The coefficient of kinetic friction is 0.20. What must be the magnitude of P, so that the net work completed by it and the kinetic..
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