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The Barringer meteor crater in northern Arizona is 180m deep and 1.2 km in diameter. The fragments of the meteor lie just below the bottom of the crater. If these fragments accelerated at a constant rate of 4×10^(5) m/s^2 as they plowed through the Earth, what was the meteor's speed at impact?
What slit separation will produce first-order maxima.
A 60 kg crate is lowered using arope over a fixed support. The rope exerts a constant upward forceof 500 N.? How fast is the crate traveling when it hits the floor
A mass of 12.5 kg is hanging by a steel wire 1.11 m long and 1.03 mm in diameter. If the mass is pulled down slightly and released, what will be the frequency of the resulting oscillations
A uniform thin rod of length 0.65 m and mass 4.5 kg can rotate in a horizontal plane about a vertical axis through its center. what is the magnitude of the bullet's velocity just before impact
Find out the rotational inertia of this object (a) about an axis through the center of the triangle and perpendicular to its plane (b) and about an axis that passes through one vertex and the midpoint of the opposite side.
The resistance of the loop is 0.490 ohms. A magnetic field parallel to z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds. What is the size of the induced current in the loop at t = 0.470s .
You measure an electric field of 1.26×106 N/C at a distance of 0.149 m. from a point charge. find the magnitude of the charge
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the speed of the electron when it strikes the second plate
A superball with a mass m = 61.6 g is dropped from a height h = 2.24 m. What is the momentum change of the ball during its collision with the floor
A child launches an air powered toy rocket up into the air giving it an initial velocity of 6m/s at an angle of 80degree above the horizontal. How long after the rocket is launched does it take for the rocket to hit the ground
Suppose an astronomical telescope is being designed to have an angular magnification of 31.6. If the focal length of the objective lens being used is 84.5 cm, Find the required focal length of the eyepiece
A Satellite circles planet Zeron every 98 minutes. The mass of the planet Zeron is known to be 5.0x 10 24 kg. What is the radius of the orbit of the satellite
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