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A 5.0 kg textbook is raised a distance of 30 cm as a student prepares to leave for school. How much work did the student do on the textbook? Report your answer in units of Joules.
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
A car is traveling counterclockwise along a circular bend in the road with a radius of 200m, What is the magnitude of the cars acceleration
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 1.55 hours. What is density of the planet
The current in a long solenoid of 95 turns generates a magnetic flux within it of 65.0 mWb per turn. what will be the induced emf
Two spherical drops of mercury each have a charge of 0.14nC and a potential of 310V at the surface. What is the potential at the surface of the new drop
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
A simple harmonic oscillator consists of the block of mass 1.90 kg attached to a spring of spring constant 196 N/m. while t = 3.00 s, position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
The nuclear reaction that powers the sun is the fusion of four protons into a helium nucleus. How much energy is released in each fusion
A point charge q1=5microC and is fixed in place. From a horizontal distance of 6cm a small sphere of mass 0.004 kg and charge q2=2microC is fired towards the fixed charge at 40 m/s. What is the acceleration of the sphere when it is traveling 25 m/..
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
Draw a motion diagram for the train. Assume that the train is moving toward the right and starts to slow down at t = 0. The separation of each dot represents an elapsed time of one second.
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