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Consider a uniform metal bar 10 cm long and mass 60 gram that sits at rest on a frictionless surface. If you hit the bar with an impulse of 1500 g*cm/s, at what distance from the center would you need to hit the bar to make it hit a wall 20 cm away exactly perpendicular to the wall?
a point charge of -3 c is located at x 2 m y -2 m. a second point charge of 12 c is located at x 1 m y 1 m.a find
There are three masses arranged on the vertexes of an equilateral triangle with side L. what is the speed of each mass at infinity
the period of rotation of the moon is about 27 days, 8 hours. The mass of the moon is 7.35x10^22 kg, Find the radius of the satellites orbit
In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. What is the frequency of the generator
A ball of relatively low density is thrown upwards. Because ofair resistance the acceleration while traveling upwards is-10.8m/s2. On its trip downward the resistance is in theopposite direction and the resulting acceleration is-8.8m/s2.
A telescope is used to observe two distant point sources transversely 2.50 {\rm m}apart with light of wavelength 600 {\rm nm} .The objective of the telescope is covered with a slit of width0.350 {\rm mm} .
Two flat surfaces are exposed to a uniform, horizontal magneticfield of magnitude 0.65 T. The first surface is tilted at an angleof 23° from the horizontal, and a net magnetic flux of 6.0 x10-4 Wb passes through it.
The diffusion constant for the alcohol ethanol in water is 1.24 10-9 m2/s. A cylinder has a cross-sectional area of 3.85 cm2 and a length of 1.86 cm. what mass of ethanol diffuses through the cylinder
Two pianos each sound the same note simultaneously, but they are both out of tune. How much time separates successive beats
A person goes hiking on the trails in a Park. The trail leads the hiker 6 km north, 4 km east, 2 km north, 2 km west and 5 km south. what is total distance traveled
a uniform electric field of magnitude 445 nc pointing in the positive x-direction acts on an electron which is
Imagine a hydraulically operated dentist's chair having a mass of 200.0 kg, and in it is sitting a 54.8-kg patient. The large piston beneath the chair has a diameter of 5.00 cm, whereas the small piston, moved by a pedal on which the dentist steps..
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