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A 0.03 kg bullet hits asteel plate and melts and splatters on impact. Assuming thatthe bullet recieves 80% of the collision energy, at what minimium speed must it travel to melt on impact?
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
The tortoise can run with a speed of 0.1 m/s and the hare can run with a speed of 2 m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his ..
If the rubber of the balloon itself has a mass of 2.00 g and the balloon is filled with helium, calculate the net upward force (the "lift") that acts on it in air
question1a hollow sphere of radius 0.15 m with rotational inertia 1 0.040 kgm2 about a line through its center of mass
In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Find the net power radiated by the person when in a room with temperature . Express the net radiated power numerically, to the nearest 10 W
A copper rod of cross-sectional area 14.5 cm2 has one end immersed in boiling water and the other in an ice-water mixture, How many grams of ice melt each second
a photon with a wavelength of 3.5 x 10^-13 m strikes a deuteron, splitting it into a proton and a neutron. Calculate the kinetic energy released in this interaction
A certain kind of glass has an index of refraction of 1.640 for blue light of wavelength 440 nm and an index of 1.595 for red light of wavelength 670 nm. If a beam containing these two colors is incident at an angle of 30.0° on a piece of this glass,..
A burglar alarm is wailing with a frequency of 1200 Hz. What frequency does a cop hear who is driving towards the alarm at a speed of 40.0 m/s
A certain atom has atomic number Z = 20 and atomic mass number A = 42. What is the approximate radius of the nucleus of this atom
A loudspeaker at a rock concert generates 10-2 W/m2 at 22.0 m at a frequency of 1.0 kHz. Assume that the speaker spreads its energy uniformly in three dimensions. What is the total acoustic power output of the speaker
One component of a device for producing a beam of spin polarized protons for use in nuclear research is a spherical deflector. The ion source may be described in class. The deflector is composed of two sections of spheres that face each other as c..
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