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A diver springs upward from a board that is 3.15 meters above the water. At the instant she contacts the water her speed is 9.22 m/s and her body makes an angle of 73.4° with respect to the horizontal surface of the water. Determine her initial speed as she leaves the board.
Photons of wavelength 490 nm are incident on a metal. What is the work function of the metal
Kinetic friction is a constant-value force, while static friction changed in response to other forces, up to some maximum, What if static friction behaved more like kinetic friction, with same constant value
If the curve were not banked, elucidate the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 97 km/h?
Two parallel plates, each of area 8.17 cm2, are separated by 6.20 mm, Calculate the amount of the electric charge stored on each plate
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
Juan and Pablo carry a load weighing 720 N on a pole between them. If the weight of the 120-N pole is considered, what force does each person support
As light with a frequency of 4.286 x 10^14 Hz passes from air into a diamond, its speed v is 0.413 time in air is the same as the speed in vacuum which c= 3.0 x10^8, Calculate the value of wavelenghth of the light in air
What is the pressure at the bottom of a swimming pool which is 12ft deep and contains fresh water.
In reality, the COP of the heat pump will only be 60 percent of the ideal value. What is the minimum power of the electric motor when the COP is 60 percent of the ideal value
Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 14.0kg if it is rotating at 6.35rad/s about an axis through its center
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants
Find out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s2 direction 3° from the direction of velocity towards center of the circle
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