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A 2 kg brick is dropped from the top of a building, 100 calories of heat energy is added to the brick due to the fall, how high is the building? (assume all the energy from the fall goes into the brick)
In a head-on collision, a car stops in 0.19s from a speed of 26m/s The driver has a mass of 63kg and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second
An ideal monatomic gas expands adiabatically from an initial temperature of 368 K and volume of 4.6 m3 to a final volume of 11 m3. If the initial pressure is 1.5 multiplied by Patm, how much work is completed on the gas.
A flowerpot is accidently knocked off the edge of a balcony 50 m above the ground. Find the velocity and acceleration of the flowerpot at t=2.0s
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. How far above the surface of the earth is this orbit
They stick together after the collision and are going 10 m/s after the collision. If they skid for 6seconds before stopping, how far did they skid?
A 5.0micrometer strand of DNA carries +e charge per nm of length. Treating it as a charged line, what's the electric field strength 28 nanometer from the DNA, not near either end
Two blocks of weights 70.0 and 100.0 N are connected by as massless string and slide down an inclined plane making an angle of 42.0 deg. find the magnitude of the heavier block's acceleration
A block of mass 4 kg is compressing a spring with K=2500 N/m a distance of 0.3 m. How much work does the spring do on the block
compare the supply chain practices of two or more different companies in the same industry or similar industries.
A rectangular loop of wire with sides 0.23 and 0.39 m lies in a plane perpendicular to a constant magnetic field, compute magnitude of the average emf induced in the loop.
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