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You drop a 14g ball from a height of 1.5 m and it only bounces back a height of 0.85m. What is the total impulse on the ball when it hit the floor?
a person who weighs 800 N is squatting on a scale. Suddenly he stars jumping, extending his legs as quickly as possible, so that he can ump into the air. as the person is in the process of jumping (accelerating upward) the reading of the scale is ..
Consider a charge of +1 nC (nanocoulombs, or Coulombs ×10?9) at (-3, -4) m, and a charge of -2 nC at (12, -5). Calculate the electric field strength at the origin
What is the velocity of 5.5kg object with a force of 2.5N while it reaches 6.0 meters, assuming the velocity at zero meters is zero.
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.88 Ã- 10â€"14 J/m3
What was the power of the motor that kept the wheel rotating at 6.5 rev/hr in spite of friction.
An electric dipole is formed from ±1.0nCcharges spaced 2.00mm apart, What is the electric field strength at the points (x, y) = (14.0 cm , 0 cm),(x, y) = (0 cm, 14.0 cm)
We pass a laser beam through a double slit. On a screen 18.52 m away, we observe a series of bright lines which are 3.4 mm apart. What is the distance between the two slits
the man and the platform together weigh 1200 N. The pulley can be modeled as frictionless. Elucidate how hard the man has to pull on the rope to lift himself steadily upward above the ground.
Two forces F1 and F2, act at a point. F1 has a magnitude of 9.20N and is directed at an angle of 61.0 degrees above the negative x axis in the second quadrant. What is the magnittude of the resultant force
Explain why you think the Petroleum Marketing Practices Act was not passed until 1979 even though gasoline service station franchise arrangements had been in existence for decades before 1979.
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
An element in its solid phase forms a cubic crystal lattice with mass density 7950 kg/m^3. What is the element's atomic mass number
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