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A child holds a candy bar 10.0 cm in front of a convex mirror and notices that the image is only one-half the size of the candybar.
a) What is the radius of curvature of the mirror?b) Draw a ray diagram for this problem.
A 2400 kg satellite is in a circular orbit around a planet. The satellite travels with a constant speed of 6.67X10^3 m/s. What is the acceleration of the satellite
a box of textbooks at an unknown mass is set in motion with the intial speed of 0.5 m/s on a loading ramp that makes and angle of 16 degrees with the horizontal. find the normal force on the box
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is observed on a screen 4.0 m behind the aperture. compute the diameter of the hole
A playground merry-go-round has radius 2.10m and moment of inertia 2200kg*m^2 about a vertical axle through its center, compute the average power supplied by the child
The minute hand of a wall clock measures14 cmfrom its tip to the axis about which it rotates. find angle from a quarter after the hour to half past
A 101-kg horizontal platform is a uniform disk of radius 1.97 m and can rotate about the vertical axis through its center. A 67.9-kg person stands on the platform at a distance of 1.19 m from the center and a 27.3-kg dog sits on the platform near the..
A 1.050 kg air-track glider is attached to each end of the track by two coil springs. Find the effective spring constant of the system
If a 4.0 kg mass goes 15 m/s in a circular path whose radius of curvature is 75 m, what is the force of tension in the string of the pendulum
Electrons which were initially at rest were subjected to a continuous force of 2×10-12 newton along the entire length of two miles (one mile is 1.6 kilometers) and reached speeds very near the speed of light.
For safety in climbing, a mountaineer uses a nylon rope that is 60 m long and 1.0 cm in diameter. Find its Young's modulus
A punter kicks the football. If caught at 1 m above the ground, what horizontal distance will the football travel
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