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A 50 kg block is released from rest and then slides for a distanceof 2.0 meters down a ramp that is inclined 45 degrees above thehorizontal. The 50 kg block then strikes and ideal spring that isanchored to the bottom of the ramp. The block causes the spring to.Be compressed 15 cm before momentarily coming to rest. The surfaceof the ramp has a coefficient of kinetic friction of 0.1
A. What is the speed of the 50 kg block just prior to contactingthe ideal spring?
B. What is the spring constant of the ideal spring?
A grating has 1000 lines/mm. How wide must the grating be to resolve the mode structure of a 632.8 nm laser if the frequency difference between the modes is 450 MHz?
q1. a projectile is fired horizontally from a gun that is 48.0 m above flat ground emerging from the gun with a speed
A harpsichord string of length 1.50 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. What is the speed of the transverse string waves
A 25 N force at 60° is required to set a crate into motion on a floor. What is the value of the static friction
A 3.5 m long, 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 70 kg construction worker stands at the far end of the beam.
A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 7:72. find rms output voltage of the transformer
The magnetic field inside a superconducting solenoid is 4.1 T. The solenoid has an inner radius of 2.2 cm and a length of 29.0 cm. Find the magnetic energy density inside the solenoid
However, the current increases by just 0.11 A when R1 is removed, leaving R2 connected across the battery. Find (a) R1 and (b) R2.
Helium-neon laser light (632.8nm) is sent through a 0.3nm-wide single slit. What is the width of the central maximum on a screen 1m in back of the slit
A coin rests 14.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.440. what is the angular velocity of the turntable
An elevator accelerates upward at 1 m/s2. When the elevator is moving upward at 2 m/s, a bolt drops from the ceiling which is 2.5 m above the?
A diffraction pattern forms when light passes through a singleslit. Determine the angle that locates the firstdark fringe
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