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A 69-g steel ball is released from rest and falls vertically onto a steel plate. The ball strikes the plate and is in contact with it for 0.5 ms. The ball rebounds elastically, and returns to its original height. The time interval for a round trip is 6.00 s. In this situation, the average force exerted on the ball through contact with the plate is closest to:
Two objects of different mass start from rest, are pulled by the similar magnitude net force, Determine the ratio of the mass of object A to the mass of object B
A parallel plate capacitor has square plates with sides of length 10 cm. The distance between the plates is 4 mm. What is the amount of charge on each plate
In a physics lab experiment, a student immersed 206 one-cent coins (each having a mass of 3.00g ) in boiling water. What was the final temperature of the coins
An object is thrown downwardwith an initial speed of 15 m/s from a height of 83 mabove the ground. At what height above the ground will the two objects pass each other
The binding energy of an electron in a crystal lattice is 1.2 x10^(-4) eV. Use the uncertainty relation to estimate the size of the spread of the electron wave function. How many lattice sites will that include, assuming that the spread is sphericall..
An antifreeze solution is made by mixing ethylene glycol(p=1116 kg/m3) with water. obtain the volume percentage of ethylene glycol in the solution
A typical wall outlet voltage is 120 volts in the United States. Personal MP3 players require much smaller voltages, calculate the number of turns on the secondary coil of the adapter transformer
A ball rolls off a tabletop with an initial velocity of 3 m/s. If the tabletop is 20 meter above the ground, calculate how far the ball travels horizontally when it hits the floor
Block A in the figure weighs 1.60 N and block B weighs 3.10 N. The coefficient of kinetic friction between all surfaces is 0.300. Illustrate what is the friction force on block A?
Calculate the speed of a proton that is accelerated from rest through a potential difference of 134V. Calculate the speed of an electron that is accelerated through the same potential difference.
A rocket fires two engines simultaneously. One produces a thrust of 760N directly forward while the other gives a thrust of 517N at an angle 39.6 above the forward direction
Find the differential equation and use the initial conditions to determine the constant of integration.
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