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A spring constant 400N/m is hung from a hook. A fish is hung from the spring and is pulled down 6.5 cm past its equilibrium position, then released to oscillate in simple harmonic motion. If the mass of the fish is 1760 g, what is the period of its oscillation?
You are standing at x=9.0km Lightning bolt 1 at x=0km and lightning bolt 2 at x=12.0km Both flashes reach your eye at the same time. what is the time difference between the two flashes
When a high-speed passenger train traveling at vP = 133 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 724 m ahead, What must be the constant accelerati..
Explain why it may be difficult to precisely date ocean crust aged between 85 to 125 million years old using magnetic anomalies on the sea floor.
A ball of mass m makes a head-on elastic collision with asecond ball (at rest) and rebounds with a speed equal toone-fifth its original speed. What is the mass of the second ball
a gold wire and a tungsten wire of the same length have the same resistance. what is the ratio of the diameter of the
A beam of 1 ev neutrons with beam density 10^3 cm^-3 strikes a 1 micron thick pure gold target. If the beam cross section projection on the target is 1mm^2 and the total interaction cross section is 99 b, what is the interaction rate in the target?
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s2. The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, what is the minimum..
A capacitor is charged to a potential of 13.0V and is then connected to a voltmeter having an internal resistance of 3.20 Ω. after a time of 3.50 s the voltmeter reads 3.0V. what is the capacitance? what is the time constant of the circuit?
q1. a train at rest emits a sound at a frequency of 1045 hz. an observer in a car travels away from the sound source at
Water flowing through a garden hose of diameter2.70cm fills a20.0-L bucket in1.30min. what is the speed of the water leaving the nozzle
A piece of iron of mass 200g at temperature 80 degrees C is added to a 300g of water at temp 10 degrees C. What is the final temperature of the system?
Use the ideal gas as a model to estimate the rms speed of a free electron in a metal at the following temperatures.
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