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What are some common examples of momentum conservation in your daily life? Explain how you can apply the law of conservation of momentum to one of these examples.
a 13 kg box must be slid across the floor. if the coefficient of static friction between the box and floor is 0.37 what
an ideal monatomic gas is the working substance of a carnot engine. during the isothermal expansion the volume doubles.
A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass m of the stone
Two steel guitar strings have the same length. String A has a diameter of 0.59 mm and is under 450.0 N of tension. String B has a diameter of 1.2 mm and is under a tension of 800.0 N. Find the ratio of the wave speeds, va/vb, in these two strings.
The charges and coordinates of two charged particles held fixed in the xy plane are: q1=6.00 ?C, x1=6.700 cm, y1=4.600 cm, Find the direction and magnitude of the electrostatic force on q2
They want to dock, which means they have to arrive at the same position at the same time with zero velocity. (a) What should the initial velocity of the second spacecraft be? (b) Illustrate what should be its constant acceleration?
They can learn the results of the test by telephone, still without giving their name. Does this practice offer anonymity or confidentiality?
Electromagnetic waves can be shielded with a perfect conductor. What about gravitational fields or waves?
an electron is observed traveling at a speed of 2.38 107 ms parallel to an electric field of magnitude 11460 nc. how
A “75 Watt” light bulb uses an average power of 75W when connected to an rms voltage of 120V. What is the resistance of the light bulb? What is the maximum current in the light bulb? What is the maximum power used by the bulb at any given instant of ..
A 0.5 kg ball, attached to a string, is moving in a vertical circle, What is the tension in the string at this instant
A pepper seed is placed in front of a lens. The lateral magnification of the seed is +0.170. The absolute value of the len's focal length is 34.0 cm. How far from the lens is the image?
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