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A particle of mass m slides without friction on a wedge of angle a and mass M that can move without friction on a smooth horizontal surface. Treating the constraint of the motion on the wedge by the method of Lagrange multipliers, find the equations of motion for the particle and wedge. Also, obtain an expression for the forces of constraints. Calculate the work done in time t by the forces of constraint acting on the particle and on the wedge. What are the constants of motion for the system?
To recharge a 3.7V Lithium-ion battery, a battery charger must move 1320 mAxh of charge from the negative terminal to the positive terminal
question1a lunar landing craft approaches the moonrsquos surface. suppose that one-third of itsnbspweight is fuel that
A long, thin metal tube of cross-sectional area 1.65 cm2 is sealed into the top of a hollow cube of edge length 0.145 m. What is the weight of the water
What is the maxium power that can be supplied by the outlets without blowing the fuse? How many 1,200 W appliances can be plugged into thesockets without blowing the fuse?
An object placed 14.9 cm from a concave mirror produces a real image 12.3 cm from the mirror. where is the new image located as measured from the mirror
The surface of the Sun is approximately at 5700 K, and the temperature of the Earth’s surface is approximately 280 K. What entropy change occurs when 860 J of thermal energy is transferred by heat from the Sun to Earth?
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
the two sides of the dna double helix are connected by pairs of bases adenine thymine cytosine and guanine. because of
Light traveling in air enters a material at an angle of 25 degrees with respect to the normal. The refracted beam in the material makes an angle of 18 degrees with respect to the normal. Calculate the index of refraction of the material.
A Carnot refrigerator is driven by a small motor whose output of mechanical power is 100W. how much heat will be removed from the cool reservoir in one hour
The force stretching the D string on a certain guitar is 156 N. What is the speed of the waves on the string
question a heat engine utilizes a heat source at 580 degrees celsius and has an ideal carnot efficiency of 28 to
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