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Two air-track gliders of equal mass are initially moving in the same direction along a straight line. The rearmost glider has an initial speed of 3.2 m/s and the forward glider has a speed of 2.2 m/s. The collision is elastic. What is the speed of the first glider (rearmost) after the collision? What is the speed of the second glider (forward)?
A bowl in the shape of half of a sphere is floating on the surface of water. The mass of the bowl is 0.8 kg. What is the outer radius of the bowl Rbowl
Rays of the Sun are seen to make a 35.6 angle to the vertical beneath the water. At what angle above the horizon is the Sun
The x-position of a particle is given by the expression x(t)=(4.0 m)cos(4.0?t+ 5.0?) , where x is in meters and t is in seconds. What is the maximum velocity of the particle
On a frictionless track, a 0.55 kg cart is traveling at 0.70 m/sec when it runs into a spring that is anchored to the end of the track. what is the original kinetic energy of the cart as it approached the spring
q1. light from a he-ne laser lambda 632.8 nm strikes a pair of slits at normal incidence forming a double-slit
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
An experimental airplane is flying northwest from Nashville, at an altitude of 18,000 ft. Determine the lift
Jim's dog Sparky runs 45.0m northeast to a tree, then 65.0m west to a second tree, and finally 25.0m south to a third tree. Calculate the direction of Sparky's net displacement
The larger the mass of a star, the shorter its Main Sequence lifetime becomes. Estimat the Main Sequence lifetime of a star with a mass of 6 Msolar
A potential difference of 87mV exists between the inner and outer surfaces of the cell membrane. The inner surface is negative relative to outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell.
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, find the speed of sound in the gas in the tube
A particular guitar string is supposed to vibrate at 200Hz, but it is measured to actually vibrate at 209Hz. By what percent should the tension in the string be changed to get frequency to the correct value.
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