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A block with mass m1 = 9.4 kg is on an incline with an angle ? = 24.0° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: ?k = 0.23 and ?s = 0.253. 1) When there is no friction, what is the magnitude of the acceleration of the block?
A sealed tube (0.5 L) in volume confines two moles of an ideal gas at a pressure of 2 atm. what is the new pressure of the ideal gas
A 1.00x10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.200. What must be the magnitude of P, so that the net work done by it and the k..
120 g ball moving to the right at 4.1m/sec catches up and collides with a 450 g ball that is moving to the right at 1.2 m/sec what is the speed of both balls after the collision?
What is the maximum speed of the car (in km/hr) in the similar turn in the rain, when the coefficient of static friction is reduced to 0.720.
You measure an electric field of 1.32*10^6 N/C at a distance of 0.156m from a point charge. What is the magnitude of the charge
What is the radius r of the turn if theta = 20.0 degrees (assuming the car continues in uniform circular motion around the turn).
Oasis B is located 25 km east from oasis A. A camel starts from oasis A and travels 19.6 km in the direction 14.7 degrees south of east. Then it walks 8 km directly to the north. How far is the camel from oasis B?
A ray of light is incident on a plane surface separating two sheets of glass with refractive indexes 1.65 and 1.61. Compute the angle of refraction
A thin film with index of refraction n = 1.29 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 8.0 bright fringes of the pattern produced by light of wavelength 693nm, what is the film t..
Mars has a mass of 6.42 1023 kg and a radius of 3.40 106 m. Assume it is a uniform solid sphere. The distance of Mars from the Sun is 2.28 1011 m. What is the rotational kinetic energy of Mars on its axis
For a series RLC circuit with resistance 5 KOhm, capacitance 100 picoFarad, and inductance 0.025 Henry, what are the natural and the free oscillation mode frequencies
An electron and a proton are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
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