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A spring (k 200 N/m) is fixed at the top of a frictionless plane inclined at theta = 40 degree.
a. A 1 kg block is projected up the plane, from an initial position that is distant d=0.6 m from the end of the relaxed spring with an initial kinetic energy of 16 J. What is the kinetic energy of the block at the instant it has compressed the spring 0.2 m?
A 5 kilogram block is suspended from the ceiling of elevators the elevator accelerates downward at 3.0 m/s squared. Evaluate what is the tension force on the block
The distance between the first and fifth minima of a single-slit diffraction pattern is 0.40 mm with the screen 50 cm away from the slit, Calculate the angle of the first diffraction minimum
Two objects each have a positive charge. The total charge on both objects is 390 µC. When the objects are placed a distance of 1.20 m apart, each exerts an electrostatic force of 21.3 N on the other. What is the charge on each object? (Round the a..
three charged particles with q1 -50 nanocoulomb q2 50 nanocoulomb q3 30 nanocoulomb are placed in a triangle. q1 and q2
The surface pressure on Venus is 92.00 atm, and the acceleration due to gravity there is 0.894 g. What force does the Venusian atmosphere exert on the outside surface of the bottom of the tank
A motorcycle has a velocity of 15 m/s, due south as it passes a car with a velocity of 24 m/s, due north. What is the magnitude and direction of the velocity of the motorcycle as seen by the driver of the car?
calculate the power transferred from the preamplifier to a power amplifier if the voltage is 1.5 volts and the input
a circular coil of 20 turns and radius 10 cm is placed in a uniform magnetic field of 0.10 t normal to the plane of the
An insulated Thermos contains 131 cm3 of hot coffee at 82 °C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though ..
Find what is the length of a one-dimensional box in which an electron in the n = 1 state has the same energy as a photon with a wavelength of 400 nm
A planet Z has a hole bored in it at its equator , and a shaft of light from it's star goes straight down that hole to the bottom, what is the circumference and radius of planet Z
A pendulum is made with a 4.00 kg mass suspended at the end of a thin rod, What is the length of the thin rod
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