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A 15 g lead bullet traveling at 240m/s passes through a thin wall and emerges at a speed of 160m/s . If the bullet absorbs 54% of the heat generated, what will be the temp. rise of the bullet?
Consider two widely separated conducting spheres, 1 and 2, the second having twice the diameter of the first, What is the ratio of the final surface charge density of sphere 1 to that of sphere 2
question light illuminates two closely spaced thin slits and produces an interference pattern on a screen behind. how
A meter stick is pivoted at the 0.50 m line. A 3kg object is hung from the 0.15-m line. Where should a 5kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
A 2.50-cm-diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 500 V. What is the total energy stored in the electric field
A 12 kg object oscillates at the end of a vertical spring that has a spring constant of 1.70 x10^4 N/m. The effect of air resistance is represented by the damping coefficient b = 3N•s/m. Find the time interval that elapses while the energy of the ..
When water is boiled under a pressure of 2.00 atm, the heat ofvaporization is 2.20 x 10^6 J/kg and the boling point is 120Degrees C. Compute the increase in internal energy of the water
A 310 turn solenoid with a length of 18.0 cm and a radius of 1.30 cm carries a current of 1.70 A. Calculate the change in the magnetic flux through the 4-turn coil during the same period
question a 2 kg softball is pitched to you at 20 ms. you hit the ball back along the same path and at the same speed.
Resistors of values 8.0 ?, 12.0 ?, and 24.0 ? are connected in parallel across a fresh battery. Which resistor dissipates the greatest power
A typical set of stairs is angled at 38 degrees. You climb aset of stairs at a speed of 3.6 m/s. How much height will you gain in 5.0 s? How much horizontal distance will you cover in 5.0 s?
Two masses are suspended by a rope that passes over a pulley. Both the pulley and the rope have negligible mass and there is no friction in the pulley. Determine the acceleration of the system
A mass of 2.80 kg is attached to a single spring such that the maximum velocity of the oscillation is 2.47 m/s and period is 1.82 seconds. What is the amplitude of the oscillation
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