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A force of 0.053 N is needed to move a charge of 37 \muC a distance of 25 cm in an electric field. What is the size of the electric potential dissimilarity between the two points?
A farsighted man uses eyeglasses with a refractive power of 1.95 diopters. Wearing the glasses 0.02 m from his eyes, What is the correct contact lens prescription, in diopters
three 1.50-v cells each with an internal resistance of 0.0500? are connected in series to form a battery with a
A laser emits a cylindrical beam of light 2.6 mm in diameter. what is the rms value of the electric field in the laser beam
three charged particles are fixed to an x axis particle 1 of charge q1 2.1e-8 c is at position x20 cm and particle 2
At t1 = 5.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is a1=(2m/s^2)i + (9m/s^2)j At t2 = 6.00 s (less than one period later), the acceleration is a2= (9m/s^2)i - (2m/s^2)j The period is more t..
A student drops two metallic objects into a 120 gram steel container holding 150 gram of water at 25°C. Compute what is the mass of the aluminum chunk
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. What is the change in the entropy of the water-steam mixture at 100C
A landscape architect is planning an artificial waterfall in a city park. How far from the wall will the water land
A 5g lead bullet travelling at 370-m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet whilst the other half is transmitted to the tree, what is the increase in t..
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles when they are 3.00x10^-15 m apart
A man pushes a lawn mower on a level lawn with a force of 208N. If 42% of this force is directed downward, and 54 W of power is expended in pushing the mower 4.7 m, how much time is spent in pushing the mower this distance?
Find the change in internal energy using first law of thermodynamics.
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