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Particle of masses 2 kg, 2 kg, 1 kg and 1 kg are placed at the corners A, B, C, D of a square of side L as shown in the figure. Find the centre of mass of the system.
A highway is to be built between two towns, one of which lies 36.0 km south and 88.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed? length km..
The pyramid depicted in the figure contains approximately 2.20 million stone blocks that average 3.00 tons each. Find the weight of this pyramid in pounds. (Please provide numerical answer in lbs)
You have the urge to connect to nature and become a hunter who uses a slingshot. You make a slingshot from a 50cm long piece of rope in which you put a m=50 g stone, How long is the stone in the air
Calculate the force required to pull at constant velocity a block of mass 150g up a 15 degree incline. Coefficient of friction is 0.2
If both ropes BCA and CD can support a maximum tensile force = 160 , what is the maximum weight of the crate that the system can support? Illustrate what is the angle required for equilibrium
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of vi = 2.50 m/s. Use energy considerations to find the distance the sled moves before it stops
A steel wire 2.1 mm in diameterstretches by 0.036% when a mass is suspended from it. How large is the mass
The accommodation limits for Nearsighted Nick's eyes are 20.0 cm and 79.0 cm. When he wears his glasses, he is able to see faraway objects obviously. At what minimum distance is he able to see objects obviously?
a 300 watt toaster is plugged into a 120 volt house current.Electricity is sold at 15 cents per kilowatt hour. If the toasteroperates for 2.5 minutes what is the cost of its operation
The battery of a pocket calculator has a voltage of 4.0 V and devilers a current of 0.17 mA, How much energy does the battery deliver to the calculator circuit
a bottle containing 6.6 kg mass of water at a temperature of 28.2 oc is placed in a refrigerator where the temperature
Two 1.50 V batteries -- with their positive terminals in the same direction -- are inserted in series into the barrel of a flashlight. What is the lamp's resistance
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