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A hole is drilled straight through the center of the planet Foosbane. The planet is remarkable in that its density is constant, independent of depth. Suppose a pebble is dropped into the hole. Neglecting rotational effects, show that the pebble undergoes simple harmonic motion, and determine the period. If the radius of Foosbane is equal to the radius of the Earth, and the acceleration due to gravity at the surface is 6.2 m/s2, what is the period of oscillation of the pebble, in minutes?
A human hair is placed directly in front of the opening of a laser pointer. The light has a wavelength of 647.8 nm. Determine the approximate thickness of the hair
A ball rolls down a board which is 20 degrees to the horizontal. This time there is a coefficient of kinetic friction of 0.1. What is its speed at the bottom of the board
If the x position of a particle is measured with an uncertainty of 1.00×10-10 m, then what is the uncertainty of the momentum in this direction
A set of jumpers cables used to start a car from another car's batterty is connected to the terminals of both batteries. What is the force per unit length on the cables
A 4.4-m-tall, 30-cm-diameter concrete column supports a 5.0×105kg load. By how much is the column compressed
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
q1. the two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1
An electron moves with a speed of 8.0x10^6 m/s along the +x axis. Calculate the magnitude of the magnectic force on the electron
A highway curve of radius 600m is designed for traffic moving at a speed of 85.0 km/hr. What is the correct banking angle of the road
Spiderman, whose mass is 72.0 kg, is dangling on the free end of a 11.4-m-long rope, How much work was done by the gravitational force on Spiderman in this maneuver
An infinitely long line of charge has a linear charge density of 4.50×10?12C/m. How close does the proton get to the line of charge
9 grams of Alum at 200 C and 21 grams of Copper anre dropped into 50 cm^3 of Ethyl Alcohol at 15 C. what was the intitial temp of the Copper
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