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A mass (10 kg) rests on a surface (ustatic=.6) connected by a cord to a hanging mass of 2 kg. The connecting cord is mass-less and stretch-free. The pulley is mass-less and frictionless. What is the acceleration of the heavier mass?
A 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls
What are the components of the ships displacement
A rectagular boat is overloaded so that the water level (in fresh wateer) is just one centimeter (1.0cm) below the top of the boat, what is combined mass of all the people and the boat combined
What is the frequency of string that was tightened.How high does it rise above the ground.
A car of mass M = 1100 kg traveling at 45 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
Find out the velocity of the rain
A 50.0 g silver spoon at 20.0 C is placed in a cup of coffee at 90.0 C. How much heat does the spoon absorb from the coffee reach a temperature of 89 C.
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
A pilot wants to fly due north a distance of 125 km. The wind is blowing out of the west at a constant 35 km/h. If the plane travel at 175 km/h, how long would the trip take.
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
You have two parallel wires with current flowing in opposite directions, If each current is 2A, and the distance between the two wires is 0.5m, what is the force per meter between the wires
A 80 g, 37 cm long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 15 g ball of clay traveling horizontally at 2.7 hits and sticks to the very bottom tip of rod.
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