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A flat sheet ofcrown glasshas a thickness of 2.2 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 3.5cm. Light strikes the crown glass perpendicularly and travels through it and then through the crystalline quartz. In the time it takes the light to travel through the two sheets, how far would it have traveled in a vacuum?
An object suspended from a spring vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic
two blocks are in contact on a frictionless table. a horizontal force f is applied to m2. if m1 1.57kg m2 3.26kg and
The best leaper in the animal kingdom is the puma, With what speed must the animal leave the ground to reach that height
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
A gyroscope flywheel of radius 2.83 cm is accelerated from rest at 14.8 rad/s2 until its angular speed is 2760 rev/min. What is the radial acceleration of this point when the flywheel is spinning at full speed
An object-spring system oscillates with amplitude of 3.00cm. If the spring constant is 205 N/m and object has a mass of 0.50 kg, determine each of the following values.
Using a wheel and axle machine, a force of 100 N applied to the rim of a wheel can lift a load of 80 kg .The diameters of the wheel and axle are 1 m and 80 cm respectively. Determine the actual mechanical advantage, and the efficiency of the mac..
A nonuniform linear charge distribution given by?=bx, wherebis a constant, is located along anxaxis fromx= 0 tox=0.35m. Suppose thatb=30nC/m2andV= 0 at infinity. What is the electric potential at the origin
A radar unit sends out 0.05 microsecond pulses of microwaves whose wavelength is 25 mm. How many wavelengths does each pulse contain
Young David who slew Goliath experimented with slings before tackling the giant. He found that he could revolve a sling of length 0.450 m at the rate of 10.0 rev/s. What is the speed of the stone for each rate of rotation
When light of wavelength 360 nm falls on a lithium surface, electrons having a maximum kinetic energy of 1.15 eV are emitted. determine the work function of lithium
A shuffleboard disk is accelerated to the speed of 6.1 m/s and released. If the coefficient of kinetic friction between disk and the concrete court is 0.30, how far does the disk go before it comes to a stop? The courts are 14.5m long.
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