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Q1. A 2.00 kg metal block slides on a rough, horizontal surface inside an insulated pipe. After sliding a distance of 500.0 m, its temperature is increased by 2.00°C. Note: Assume that all of the heat generated by frictional heating goes into the metal block. For this metal, the specific heat capacity is 0.150 cal/(g.C°).
How much work does the force of friction do on the block?
Q2. Two carts with masses of 5.00 kg and 2.64 kg move toward each other on a frictionless track with speeds of 4.86 m/s and 3.46 m/s correspondingly. The carts stick together after colliding head-on. Find the final speed.
The centers of a 12kg lead ball and a 100g lead ball are separated by 6.0cm. What gravitational force does each exert on the other
Two lenses, one converging with focal length 21.0cm and one diverging with focal length ? 10.0cm , are placed 25.0?cm apart. Find the final image distance from second lens
An alternating emf source with a variable frequency fd is connected in series with a 50.0 ? resistor and a 20.3 ?F capacitor. find the angular speed at which the phasors rotate
A meter stick is pivoted at its 50-cm mark but does not balance because of non uniformities in its material that cause its center of gravity to be displaced from its geometrical center. Find the mass of the meter stick and its location of its cente..
A 2.50 x 10^-6 F capacitor is charged to 754V and a 6.80 x 10^-6 F capacitor is charged to 563V, Determine the potential difference across the second capacitor
The stoplight had just changed and a 1900kgCadillac had entered the intersection, heading north at 3.4m/s , How fast was the Volkswagen going just before the impact
A simple Pendulum has a mass of 2.00 kg. The mass has a speed of 3.00 m/s, What is the maximum height (from the lowest position) the pendulum will reach
What is the minimum coefficient of friction between tires and road that will allow cars to take turn without sliding off the road.
A parallel plate capacitor has plates that measure 13.5 cm long by 9.75 cm wide. The plates are separated by a distance of 2.75 mm, What is the capacitance in the capacitor
define the initial velocity of the ball.
A 10-A current flows for two minutes. How much charge has passed through this circuit
What will the resultant force
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