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A block slides down a frictionless inclined ramp. If the ramp angle is 15o and the length of it is 19 meter, obtain the speed of the block as it reaches the end of the ramp, assuming it started sliding from the rest at the top.
A long rope is suspended from the ceiling. Waves are started from the bottom traveling up the rope, Do they get faster or slower? Explain why this occurs
In 11.1 s, 205 bullets strike and embed themselves in a wall. The bullets strike the wall perpendicularly. find the average change in momentum per second for the bullets
Two astronauts, each having a mass of 79.0 kg, are connected by a 10.5 m rope of negligible mass. Calculate the rotational energy of the system
A piece of string 5.30 m long has a mass of 14 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120 cm.
the filament of a light bulb has a resistance of 570 . a voltage of 120 v is connected across the filament. how much
As observed from Earth, rocket Alpha moves with speed 0.802c and rocket Bravo travels with a speed of 0.692c. What is the speed of rocket Alpha as measured from rocket Bravo
A 1200 kg satellite completes one circular orbit of the earth every 90 minutes. Determine the radius of the satellite's orbit
A muon is a lepton that is a higher-mass (rest mass 105 MeV/c^2) sibling to the electron. How many muons survive to reach the surface
A river flows due south with a speed of 2.00m/s{\rm m}/{\rm s} . A man steers a motorboat across the river, Find the horizontal component of the book's velocity
A beam of electrons is accelerated through a potential difference of 10 kV before entering a region having uniform electric and magnetic fields that are perpendicular to each other and perpendicular to the direction in which the electron is moving. I..
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 2.84 x 10^-11m. Determine the kinetic energy of the electron
a ferris wheel with a radius of 14.0 m rotates at a constant rate completing one revolution in 30.0s. what is the
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