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A single photogate is programed to start a timer when it is blocked and stop the timer when it is unblocked. A sphere with constant velocity passes through the photogate. Using the appropriate data in the table determine the speed of the sphere as it passes through the photogate. Assume that the beam of the photogate is aligned such that the photogate will collect data based on the sphere's diameter. Heres the table Diameter (mm) 18.0 time from photogate (s) .00490 Your work should include a diagram of when the timer begins and ends. What is the speed of the sphere in m/s?
How fast is the top of the tree moving (in m/s) just before it hits the ground? Model the tree as straight, rigid rod, and ignore friction and air resistance.
The driver of an 1800 {kg} car travelling on a horizontal road at 100 kmh suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0 percent of the weight o..
If a drop is to be deflected a distance = 0.28 by the time it reaches the end of the deflection plate, what magnitude of charge should be given to the drop? Imagine that the density of the ink drop is 1000 and ignore the effects of gravity.
Two charged spherical conductors are connected by a long conducting wire, and a charge of 15 μC is placed on the combina- tion. One sphere has a radius of 4.05cm and the other a radius of 6.05cm.
A loudspeaker of mass 19.0 is suspended a distance of = 2.00 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30. Illustrate what is the tension in each of the cables?
The catapult of the aircraft carrier USS Abraham Lincoln accelerates an F/A-18 Hornet jet fighter from rest to a takeoff speed of 77.33 in a distance of 93.57 . suppose constant acceleration.
What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 375nm
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
who is initially at rest, hops on her back and together they continue down the hill. Illustrate what is their speed at the bottom of the hill if the total vertical drop is 17.0 m? Gayle's mass is 50.0 kg, the sled has a mass of 5.00 kg and her bro..
Nichrome wire of cross-sectional radius 0.768 mm is to be used in winding a heating coil. determine the required resistance of the coil
A jet is circling an airport control tower at a distance of 16km. An observer in the tower watches the jet cross in front of the moon. As seen from the tower, the moon subtends an angle of 9.50x10-3 radians. Find out the distance traveled (in mete..
When a 700? resistor is connected across an AC power supply, the resistor dissipates energy at a rate of 15.0W. Find the maximum current through the resistor
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