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A target in a shooting range gallery of a square wooden board of side length S = 0.500 meter and mass mT = 0.750 kg, that pivots on a horizontal axis along its top edge. The target is struck, normally, at its center by a bullet of mass mB = 1.90 g that is travelling initially at vi= 360 m/s. The bullet goes completely through the target, emerging at only vf= 100 m/s on the opposite side. What is the angular speed of the target just after the collision?
Andrea thinks she's sitting at rest in her 5.0-m-long dorm room as she does her physics homework. what range is her velocity
a ray of light from the coin travels to the surface of the liquid and is refracted as it enters into the air. how fast is the light traveling in the liquid
A long rope is suspended from the ceiling. Waves are started from the bottom traveling up the rope, Do they get faster or slower? Explain why this occurs
hysicists model a magnetic field by assigning to every point in space a vector that represents the strength and direction of the field at that point. Two magnetic fields that exist in the same region of space may be added as vectors at each point to ..
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring kmax that can be used in order to meet the design criteria
A 23kg chimpanzee hangs from the end of a horizontal, broken branch of length L_0 = 1.6m, What is the shear modulus for this branch
a diver running 2.3ms drives out horizontally from the edge of a vertical cliff and 3.1rm s later reaches the water
Two point charges are placed on the x-axis. Charge Q1=+3 microC at x==-6cm and charge Q2=+3microC at x=+6cm. Find the magnitude and direction of the total electric field at point P
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons, while a nitrogen-14 nucleus comprises seven protons and seven neutrons.
For a real train the friction between the car and the track can be described by a friction coefficient, μ. Find out this coefficient assuming that the time it takes for the car to come to rest is 3 s.
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A 22 kg block of iron drops out of the back of a pickup truck traveling at 55 mi/h. By roughly how much has the temperature of the iron increased
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