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A huge cannon is assembled on an airless planet. The planet has a radius of 6.00×106 m and a mass of 2.09×1024 kg. The cannon fires a projectile straight up at 5200 m/s.
(a) What height does the projectile reach above the surface?
(b) An observation satellite orbits the planet at a height of 7006.70 km. What is the projectile's speed as it passes the satellite?
The other end of the spring braced against a post that was firmly anchored to the ship's frame. What was the speed of the cannon ball if the spring compressed 50cm as the cannon was fired.
Two sinusoidal waves, identical except for phase, travel in the same direction along a string, producing the net wave y(x,t)=(6.5 mm)sin(28.0x -4.0 s-1 * t+0.350 rad),with x in meters and t in seconds. what is the resultant amplitude of the two wa..
A string that is fixed at both ends has a length of 1.61 m. When the string vibrates at a frequency of 92.8 Hz, What is the fundamental frequency of the string
Electrons are accelerated through a potential difference of 39.0 V. The beam of electrons then passes through a single slit. estimate the width of the slit
A farsighted man uses eyeglasses with a refractive power of 1.90 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription, in diopters
A thin rod of length 8.5 m and mass 23 kg is supported at a 37? incline. One support is 2.1 m, Find the normal force exerted on the rod by the upper support
A batter hits a 0.140-kg baseball that was approaching him at 30.0 m/s and, as a result, What is the average force exerted by the bat
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.4 J of work is required to compress the spring by 0.18 m. Find the value of the mass
John can hit a golf ball 310m on earth. on the moon's surface, g=1/6 gravity of earth, so how far could he hit the same ball if he could only achieve half an initial velocity achieved on earth.
Suppose that you wish to fabricate a uniform wire out of 0.850 g of copper. Assume the wire has a resistance R = 0.800 ?, What will be the diameter of the wire
A physical pendulum in the form of a planar object moves in simple harmonic motion with a frequency of 0.220 Hz. Determine the moment of inertia of the pendulum
At which wavelengths (or energies) will you observe lines in infrared absorption (a phonon absorbs a photon) and raman scattering spectra? The temperature is 300 k. raman scattering is excited with a cw Argon laser at 514.5 nm.
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