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A constant, uniform electric field points in the positive x-direction with the magnitude of 500 N/C. A charged particle with 20 nC needs to be moved from location <2,0,0>m to location <-3,0,0>. How much energy is required to move the particle?
1 what is the spring stiffness of the entire wire considered as a single macroscopic large scale very stiff spring?2
A cannonball is shot (from ground level) with an initial horizontal velocity of 40 m/s and an initial vertical velocity of 21 m/s, What is the initial angle of the cannonball with respect to the ground
A 2.6kg block slides along a frictionless surface at 1.9m/s . A second block, sliding at a faster 5.0m/s , collides with the first from behind, What was the mass of the second block
what is the smallest value d can have before the string breaks?
A pickup truck with mass 1.88x10^3 kg is traveling eastbound at +16.0 m/s, while a compact car with a mass of 8.56x10^2 kg is traveling westbound at -16 m/s. find the speed of the entangled vechicles after collision
A bird sitting in a tree is travelling at 40 km/s relative to the faraway Sun. When the bird drops to the ground below, does it still go 40 km/s, or does this speed become zero.
Gas is contained in a 6.00-L vessel at a temperature of 21.0°C and a pressure of 8.00 atm. Determine the number of moles of gas in the vessel
A 150 g glider on a horizontal, frictionless air track is attached to a fixed ideal spring with force constant 180 N/m. What is the angular frequency of the oscillations
Starting from rest, a boulder rolls down a hill with constant acceleration and travels 3.00m during the first second. how FAR does it travel during the second second
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
A girl on a sled coasts down a hill. Her speed is 7.60 m/s when she reaches level ground at the bottom. The coefficient of kinetic friction between sled's runners and the hard, icy snow is 0.04, and the girl and sled together weigh 644N.
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