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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 3.6 m/s, and an 83-kg person feels a 465-N force pressing against his back. What is the radius of a chamber?
A laser emits a light beam with a power of 5 mW. How many photons per second does this laser emit
A 10.3 kg block is dragged over a rough, horizontal surface by a 63.6 N force acting at 21° above the horizontal. Find the total change in the block's kinetic energy
The third-order fringe of 650 nm light is observed at an angle of 17° when the light falls on two narrow slits. How far apart are the slits
A 2300 kg truck traveling north at 39 km/h turns east and accelerates to 57 km/h. What is the change in the truck's kinetic energy
q1. charge of uniform density 80 ncm3 is distributed throughout a hollow cylinder region formed by two coaxial
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach?
Illustrate what should be the other mass so that the displacement of either mass during the first second following release is 0.34 m? Assume a massless, frictionless pulley and a massless string.
q1. an object 0.600 cm tall is placed 16.5 cm to the left of the vertex of a concave spherical curvature of 22.0 cm.a.
When people exercise they shed heat to the environment by sweating and radiating, calculate the rise in body temperature after one hour
Solid rock suspended in air by spring scale has m=2.50 kg, When rock submerged in water, mass = 1.90 kg, determine Density of rock,
q1. how did pavlov and watsons focus on scientific inquiry of behaviours differ from earlier viewpoints of
A diffraction grating has 3047 lines/cm. Light that contains all wavelengths between 463 and 628 nm shines on the grating. Calculate the width of the dark area
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