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At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.54 m/s, and an 69.5-kg person feels a 330-N force pressing against his back. What is the radius of a chamber?
he string will break if its tension exceeds 60.0 N . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Determine the maximum speed the stone can attain without breaking the string.
A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 3 cm. What is the electric field on the axis of the washer
A fishing line has attached to it a hollow plastic float 2.15 cm in diameter and having a mass of 1.90 g. Find the mass of a lead weight
Explain how would your answer differ if the taxes payable method were used in accounting standards for private enterprises? Describe, do not calculate.
Two people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Which person has the higher speed
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
Compute the rms speed of a nitrogen molecule at 16.0 °C. At what temperature will the rms speed be half that value
A man looks at himself in a concave shaving mirror whose radius of curvature is 48 inches. What is the image's magnification
A 30-g bullet initially traveling 500 m/s penetrates 12 cm into a wooden block. What average force does it exert on the block
Water flows over a section of Niagara Falls at the rate of 1.1 x10^6 kg/s and falls 55 m. How much power is generated by the falling water.
A cross-country skier slides horizontally along the snow and comes to rest after sliding a distance of 28 m. determine her speed at the start of the slide
Each plate of a parallel-plate capacitor is a square of side 4.45 cm and the plates are separated by 0.545 mm. Find the electric field strength inside the capacitor
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