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With what minimum speed must you toss a 140 g ball straight up to hit the 14 m -high roof of the gymnasium if you release the ball 1.7 m above the ground? Solve this problem using energy.
With what speed does the ball hit the ground?
Two same-size metal posts, one aluminum and one copper, are subjected to equal shear stresses. which post will show the larger deformation angle
An elastic cord is 65 cm long while a weight of 56 N hangs from it and is 82 cm long while a weight of 84 N hangs from it. What is the spring constant of this elastic cord.
A parallel plate capacitor constructed of two disks spaced 2.0 mm apart and is charged to a potential difference of 500V. What is the farthest distance from the negative plate
A hotel elevator ascends 110 {rm m} with a maximum speed of 4 {rm m/s}. Its acceleration and deceleration both have a magnitude of 1.20 {rm m/s^2}.
Use Ampere's Law to find the magnetic field outside a long cylindrical conductor of radius R carrying a total current I from one end to the other
A 40 g bullet traveling 500 m/s penetrated 5 cm into a tree trunk. what was the retarding force on the bullet
An electron is accelerated horizontally from rest in a television tube by a potential difference of 25,000 V. At what angle will the electron be traveling after it passes between the plates
The molar volume of a certain solid is 142 mL at 1 bar and 427.15K, its melting temperature. Calculate the enthalpy and entropy of fusion of the solid
Two new particles, which have identical positive charge q3, are placed the same 0.0434 meters apart, and the force between them is measured to be the same as that between the original particles, What is q3
prepare a 750- to 1050-word paper in which you analyze your articles. address the following define consumer psychology.
On planet Zog, Mr. Spock measures that it takes 1.38 s for a mass of 0.30 kg to hit the ground when released from rest from a height of 2.85 m
What is the greatest possible rate of energy transfer by radiation from a metal cube 2.4cm on a side that is at 720 degrees Celsius
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