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A 10 kg object is moving at 6.36 m/s. The object passes 3m over rough surface with a frictional force of 20 N. The object then travels down a track and strikes a spring with a constant force of 2500N/m. How far does the object compress the spring.
A 0.290-kg block along a horizontal track has a speed of 1.60 m/s, What is the spring's maximum compression if the track is frictionless
energy and momentum of electromagnetic wavesphotons.a in a photoelectric experiment lightnbspwith a wavelength of 250
The rope and two masses are suspended from the ceiling of an elevator which is accelerating downward at 2.8 m/s^2. If each of the masses is 3.7 kg, find the tension in the rope connecting the two masses.
Assume that a cloudy parcel has T = 275 K, wl = 1.5 g/kg. The background atmosphere has T = 274 K, and a relative humidity of 0.6. Assume a total pressure p = 600 hPa. What is the total density of the air in the cloud (due to dry air, water vapor..
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 3.50 mT. The angular momentum of the electron about the center of the circle is 3.00 10-25 J·s. (a) Determine the radius of the circular path. cm (b) ..
The drill bit of the variable-speed electric drill of radius 0.03 m has constant angular acceleration 2.5 rad/s^2. The initial angular speed of the bit is 4 rad/s. What is the angular speed after 4 seconds and angle has the bit turned through that ti..
A cube with edge 3.0 cm floats with 2/3 of its volume below the surface of the water. What is the mass of the block
A beaker containing 300mL of water at 20 clesius has a 150g piece of Aluminum at 50 celsius placed in it. What is the final equilibrium temp of the water and aluminum
Suppose that you have a 390 ?, a 780 ?, and a 2.20 k? resistor. What is the maximum resistance you can obtain by combining these
At 12 volt battery is connected in parallel with a 100,200,and 500 resistors. How much current flows through each resistors
Two out-of-tune flutes play the same note. One produces a tone that has a frequency of 243 Hz, What is the frequency of the tuning fork
Staring from rest, a hoop rolls without slipping down a long ramp. What is its translational speed when it's 5.0 m below its initial height, determine the hoop's translational speed
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