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A 0.430-kg block is attached to a horizontal spring that is at its equilibrium lenght , and whose force constant is 20.0N/m. The block rests on a frictionless surface. A 0.0500-kg wad of putty is thrown horizontally at the block, hitting it with a speed of 2.30m/s and sticking. How far does the putty-block system compress the spring
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
Upstream of a normal shock in air the pressure is 14.7 psia and the temperature is 528R. Downstream of the shock the air pressure is 76.8 psia. What is the Mach number upstream of the shock
A mass of 0.5 kg hangs from a spring with aspring constant 50 N/m. The mass is pulleddownward to a displacement of 20 cm and released from rest. what is the maximum speed of the mass in its oscillation
calculate the energy content of 1 kg of natural uranium assuming complete fission. estimate an average energy per
Suppose a 20 kg ball moving at 5 m/s collides with a 100 kg ball moving at 3 m/s. How much kinetic energy was lost in the collision
How much of the rope must be pulled. Find the magnitude of the magnetic field at the point x = 0, y = 0.7 m, z = 0.
A soccer ball lying on the ground is kicked with an initial velocity of 10.0 m/s at an angle of 37 degrees above the horizontal. How far over does it land on the ground?
an engineering student has made a robot mouse that is running around a circle on a horizontal table. the mouse is kept
A 80kg person at the fair rides the famous "spinning bottomlesscylinder", (r = 4m). what is the minimum centripetal force needed
Estimate how many molecules of air are in each 1.8 L breath you take that were also in the last breath Einstein took (assumed to be the same volume). (Hint: Assume the atmosphere is about 12 km high and of constant density. Take the temperature of th..
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.884 A) sin [(333 Hz)t]. What is the average power delivered to the light bulb
A field mouse trying to escape a hawk runs east for 6.0m , darts southeast for 3.9m, What is the magnitude of the net displacement of the mouse
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