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(a) Find the value of for a particle that is traveling at half the speed of light.
(b) What's the length of a meter stick on Earth measured from a spaceship traveling at that speed.
(c) Find the time measured by the pilot if the spaceship travels from city A to city B separated by 600km on Earth?
A 265.0 kg block of ice at 0o C is placed in a large lake. The temperature of the lake is just slightly higher than 0o C, and the ice melts. What is the entropy change of the lake
An ant positioned on the very edge of a Beatles record that is 17.60 cm in radius revolves through an angle of 160.0o as the disk turns. What is the ant's path length? (b) What is the magnitude of the ant's displacement?
two spheres are mounted on identical horizontal springs and rest on a frictionless table as in the drawing. when the
Given the following graph of the net force on a car of mass 500 kg, vs distance (NOTICE, Force is in kN) in the x-direction. Determine the work done on the car as it travels between x = 0 m and x = 5 m, and determine the speed of the car at x = 5 m
a circular coil has 200 turns a radius of 3.0mm and a current of 2.0a. if a proton is placed at the center of the coil
An electric motor develops 65 kilowatts of power as it lifts a loaded elevator 17.5 m in 35 s. How much force does the motor exert?
Three electrons are located at the vertices of an equilateral triangle, one at each vertex. What is the magnitude of the initial acceleration of each electron
Calculate the force and pressure acting across the pelvis and at the feet of a 150 lbm person. Model the body using cylinders. Neglect external pressures (such as air pressure)
An artificial satellite in space has a panel attached to it with dimensions 20m X 25m X 3m. The panel is made of Carbon steel with a carbon content of 1.5%.
A patient is going to be prescribed bifocals which will be 3.20 cm from the eye. what is the patient's near point
An electric field of 260 000 N/C points due west at a certain spot. What are the magnitude and direction that asks acts on a charge
You are standing on a scale inside an elevator. The scale reads exactly your weight. What could be the velocity of the elevator, What is the acceleration of the elevator
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