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A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall 2.6 Joule of work is required to compress the spring by 0.1 meter. If the mass is released from rest with the spring compressed 0.1 meter, it experiences a maximum acceleration of 18 m/s2. Determine the value of the mass.
When verticaly falling sand hits a horizontally moving cart, the cart slows. avoid any friction between the cart and the tracks. Give two reason for this, one in terms of a horizontal force acting on the cart, and one terms of momentum conservatio..
q1. assume unpolarized light of intensity 197 wm2 falls on the polarizer in the figure and the angle in the drawing is
A bat flying at 5.25 m/s is chasing an insect in the same direction. The bat emits a 39.90-kHz chirp and receives back an echo at 40.50 kHz. What is the speed of the insect
Where does the energy of an objects inertia come from. You can throw a ball, And how is the ball interacting with the space around it to be moving in the first place?
A wall is constructed of a 2 inch layer of fiberglass board (R = 8) and six inches of fiberglass batting (R = 19). If the temperature on the outside surface of the fiberglass board is 50degreesF and the temperature on the inside surface of the fiberg..
A cart of mass 1.4 Kg is temporarily held stationary on an incline at 9.5 degrees to horizontal. How much work does gravity do on the cart
One argument against Darwin's theory of evolution draws upon the second law of thermodynamics. Does this mean that organisms violate the Second Law of Thermodynamics
please tell me if you can solve this homework before i make payment. ltbrgt ltbrgtyou must explain the steps of
Antennas for radio transmission and reception are particularly effective if they're about a half-wavelength long. What's the appropriate length for an FM antenna
A very massive object, almost infinitely massive, moving with a velocity V1=100m/s hits a very light object ("massless") at rest. What is the final velocity of the very light object
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving when it reaches the bottom of the hill
An electric utility company supplies a customer's house from the main power lines (115V) with two copper wires, Calculate the power lost in the copper wires
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