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An atomic nucleus initially moving at 420 m/s emits an alpha particle in the direction of its velocity and the remaining nucleus slows to 350 m/s. If the alpha particle has a mass of 4.0 u and the original nucleus has a mass of 222 u, find what speed does the alpha particle have when it is emitted?
A 6.0 m long, 12 kg ladder rests against a smooth vertical wall with bottom of the ladder 3.0 m from the wall. What is the force the wall exerts on the ladder
Explain how would your answer differ if the taxes payable method were used in accounting standards for private enterprises? Describe, do not calculate.
Find the terminal speed of man falling through Earth's atmosphere, ignoring linear drag and focusing on quadratic drag, who weighs 85 kg and has body shape of a rectangle 0.4 m by1.8 m. [Assume the "rectangle" falls face-first withoutturning].
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
Assume a spacecraft is orbiting the earth at a constant radius of 7.00x10^3km. At t=0 a lateral rocket is fired that imparts an inward-directed radial velocity. What is the minimum radial velocity needed to produce a parabolic trajectory, and what wi..
When a 14.4-V car battery delivers a current of 60.0 A, the power consumed on its internal resistance is 36.0 W, what is the internal resistance of the battery
A violinist is tuning her instrument to concert A (440Hz). Now, when she tightens her violin strings slightly she hears 4.00 beats per second. What was the frequency of her violin
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
a 30-cm tall (height) ad 4.0 in diameter plastic tube has a sealed bottom. The mass of the tube if 30.0g. What is the density of the liquid
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree as well as its height but you are unable to make the measurements directly. However, by using a mirror to form an image of the tree a..
Determine the wave's amplitude. Determine the wave's wavelength.Determine the wave's frequency.Determine the wave's speed of propagation. Determine the wave's direction of propagation.
The electromagnetic wave spectrum is divided into two sections, ionizing and nonionizing radiation. Photons of about 12.4 eV occur right at the dividing line between the two sections
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