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Question: If a proton moved from a location with a 5.0V potential to a location with 7.5V potentia, would its potential energy increase or decrease? If an electron moved from a location with 7.5V potential to a location with a 5.0V potential, would its potential energy increase or decrease? Explain.
how long will it take a protein of molecular weight equal to 90000 gmole to diffuse a distance of 1 mum?assume that the
two blocks of masses 20 kg and 8 kg are connected together by a light string and rest on a frictionless level surface.
A stone of mass 3 kg is thrown at an angle of 20o below the horizontal with speed 30m/sec from the edge of a cliff that is 4.0 m high. How far does the stone land horizontally from the bottom of the cliff?
A match that was just blown out was dropped into a 2 liter bottle and the cap put on. Explain how the smoke helped the water vapor condense
q1. a charge of 5.62 muc is at the origin and a second charge of -2.44 muc is on the positive x-axis 1.00 m from the
An object of mass m moves in a circular orbital under the influence of an harmonic oscillator potential U(r)=1/2(alpha)r^2, Determine the energy of the orbiting object
A 117Kg (including all the contents) rocket has an engine that produces a constant vertical force (the thrust) of 1820N. When it has reached an altitude of 120m how hard does the floor push on the power supply
A football player with a mass of 89 kg and a speed of 2.1 m/s collides head-on with a player from the opposing team whose mass is 120 kg. Find the speed of the second player
A certain resistor has a resistance of 1.484 ohms at 20.0 degrees celsius and a resistance of 1.512 ohms at 34.0 degrees celsius. What is its temperature of resistivity
A block is pushed up a frictionless incline by an applied horizontal force of 20 Newton. Find the magnitude of the resulting acceleration of the block
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.8 m/s at an angle of 34.0° above the horizontal. Find the maximum height of the ball above the ground
What current must be in the solenoid so that the solenoid field just cancels Earth's 4.2 × 10-5-T magnetic field (used occasionally by the pigeons to determine the direction they travel)?
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