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A diverging lens with f = -31.5 cm is placed 11 cm behind a converging lens with f = 24 cm. Where will an object at infinity be focused?
cm (beyond the second lens)
What is the magnitude of the passenger's acceleration.
A 70 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 2000 N by turning the tuning screws. By how much is the string stretched
An oscillator with a mass of 430 g and a period of 0.900 s has an amplitude that decreases by 1.00% during each complete oscillation. If the initial amplitude is 9.20 cm, what would be the amplitude after 44.0 oscillations? At what time will the e..
A 140 kg piano is being lifted at a steady speed from ground level straight up to an apartment 16.0 m above the ground. The crane that is doing the lifting produces a steady power of 400W. Explain how much time does it take to lift the piano?
A rifle with a barrel length of 57 fires an 11 bullet with a horizontal speed of 440. The bullet strikes a block of wood and penetrates to a depth of 12. What resistive force (assumed to be constant) does the wood exert on bullet.
What is the Bens kinetic energy
A cooling fan is turned off when it is running at 800rev/min . It turns 900 revolutions before it comes to a stop, What was the fan's angular acceleration, assumed constant
The nucleus 124 55 Cs has a half-life of 30.8 s and a molar mass of 124 g. What is the initial activity (decay rate) of the sample
Suppose that you have two identical capacitors and a single resistor. If you make an RC circuit with one capacitor, What is the time constant for this circuit
To explain why he seems to hang in the air, compute the ratio of the time he is above ymax/2 moving up to the time it takes him to go from the floor to that height. You may ignore air resistance.
A rifle is aimed horizontally at a target 1,234.37 m away. What is the bullet's time of flight
Water falls without splashing at the rate of 0.210 L/s from a height of 3.90m into a 0.590 kg bucket on a scale. If the bucket is originally empty, what does the scale read 4.00 s after water starts to accumulate in it.
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