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A 0.03 kg (lead) bullet hitsa steel plate and melts and splatters on impact. Assuming that the bullet recieves 80% of the collision energy, at what minimium speed must it travel to melt on impact?
The cockroach finds a bread crumb on the rim and, of course, stops. Illustrate what is the angular speed of the lazy Susan after the cockroach stops?
A 445g oscillator has a speed of 95.5cm/s when its displacement is 3.00cm and 61.5cm/s when its displacement is 6.20cm. What is the oscillator's maximum speed?
A large wheel is coupled to a wheel with half the diameter. How does the rotational speed of the smaller wheel compare with that of larger wheel? How do the tangential speeds at the rims compare (assuming the belt doesn't slip).
Light in vacuum is incident on the surface of a slab of transparent material. What is the index of refraction of the transparent material
A circuit containing a 5.5 H inductor has an alternating current supplied to it. If Irms is 5.1 A and Vp is 76 V, find the frequency of the signal
What is the potential difference in volts between the plates.
A stick of dynamite explodes into two pieces of masses of 3.0 kg and 2.0 kg. how far does the other piece slide
A positron is an antimatter particle identical in mass to an electron but with a positive charge, Calculate the energies of the three lowest states of positronium
A 532 nm light wave in vacuum transmits into a glass plate of thickness 1.00 cm and index 1.60, at normal incidence. How many wavelengths span the glass
A spring can be compressed 2.0 cm by a force of 329 N. A block with a mass of 9.0 kg is released from rest at the top of a frictionless incline as shown. What is the speed of the block just as it touches the spring
(a) Calculate the R-value of a thermal window made of two single panes of glass each 0.100 in. thick and separated by a 0.200-in. air space. By what factor is the transfer of energy by heat through the window reduced by using the thermal window inst..
A speedboat moves on a lake with initial velocity vector v1,x = 8.21 m/s and v1,y = -2.95 m/s, What are the components of the speedboat\'s final velocity, Find the speedboat's final speed
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