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A balloon rubbed against denim gains a charge of -8.0 µC. What's the electric force between the balloon and the denim when the two are separated by the distance of 5cm?
A 10 Newton effort force is required to lift a 10kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever.
One of Einstein's postulates says that nothing travels faster than the speed of light in a vacuum, c, what limit does this place on the numerical value for n
a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle ? = 30°. What is the angular speed of the cylinder about its center as it leaves the roof
While painting the top of an antenna 206 m in height, a worker accidentally lets a 1.30-L water bottle fall from his lunchbox. The bottle lands in some bushes at ground level and does not break. If a quantity of heat equal to the magnitude of the cha..
When doing a sound experiment, you recorded the sound of a single frequency sound when it was stationary. What frequency did you hear as your friend rode away from you
Calculate the ground state energy of of pi-electrons in octatetraene, C8H10, using the particle in a box model. To calculate the box length, assume that the molecule is linear and use the values 1.35 and 1.54 angstroms
What is the Reynolds number for the fastest falling ball in the experiment. Use the same data as in problem 1, glycerin density of 1.30 g/cm^3
In a constant-volume process, 201 J of energy is transferred by heat to 0.97 mol of an ideal monatomic gas initially at 306 K. Find the increase in internal energy of the gas
A 1.23-kg box slides up an incline plane with a speed of 8.6 m/s. how long will it take for the box to come to rest
As shown in the figure, a straight conductor parallel to thex-axis can slide without friction on top of two horizontal conducting rails that are parallel to they-axis and a distance ofL=0.4m apart, in a vertical magnetic field of 1 T
need full body diagram for An arrow is shot at an angle such that it's horizontal velocity is 40 m/s and it's vertical velocity is 20 m/s. Find the horizontal distance the arrow will travel
A bicycle rider has a speed of 19.0 m/s at a height of 55.0 m above sea level when he begins coasting down hill. what is the rider's total mechanical energy when he coasts to a height of 25.0 m above sea level
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