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A 2.00-kg package is released ona 53.1o incline, 4.00 m from a longspring with force constant 120 n/m that is attached at the bottom of the incline . The coefficients of friction between the package and the incline are static frictionis 0.4 and kinetic friction is 0.2. The mass of the spring is negligible.What is the speed of the package before it reaches the spring?What is the maximum compression of the spring?The package rebounds back up the incline. How close does it get to its initial position?
A car with 52cm -diameter tires accelerates uniformly from rest to 20m/s in 10s. How many ties does each tire rotate
An inductor with L = 9.15mH is connected across an ac source that has voltage amplitude 45.5V. Does the source voltage lag or lead the current
A 555.0 g/hr stream of liquid methyl alcohol, also called methanol, (CH3OH) at 7.20 atm, At what rate must heat be supplied to this system
A dipole is located at the origin, and is composed of charged particles with charge +e and -e, separated by a distance 3 10-10 m along the y axis. The +e charge is on the -y axis.
Train car 1 has a mass of 6.5 x 10^4 kg and is sitting stationary on a track. Train car 2, with a mass of 9.30 x 10^3 kg, What is the speed of Train car 1 after the collision
Three identical point charges (q1=q2=q3=5.0 nc) are located at three corners of a square with 1.0 cm each side, find the potential energy U of the electron
A mass of gas occupies a volume of 4.3 L at a pressure of 1.8 atm and a temperature of 345 K. Determine the final pressure
A small current loop of area A=0.0008m2 and moment of inertia I=6.9e-07kgm2 carries a current i=0.0039A with its magnetic moment perpendicular to the Earth's magnetic field. What is the magnitude of the net torque T on the loop
A diving chamber is cylindrical in nature with the bottom open above the surface of the water the chamber's volume is completely filled with air as the chamber is submerged the air is compressed to a smaller volume
Relative to the ground, determine the angle of the velocity vector of the package just before impact.
A source delivers an AC voltage of the form ?v = 80.6 sin (78?t), where ?v is in volts and t is in seconds, to a capacitor. The maximum current in the circuit is 0.520A.
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill. The crest of the second hill is circular, What must be the height of the hill
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