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An undersea research chamber is spherical with an external diameter of 3.90m . The mass of the chamber, when occupied, is 30800kg . It is anchored to the sea bottom by a cable. The density of seawater is 1025 kg/m3. What is the buoyant force on the chamber? What is the tension in the cable?
A conducting wire formed in the shape of a right triangle with base b = 38 cm and height h = 63 cm, What is the angular frequency of rotation
A toy car is driven by a battery of 9 V. It draws a current of 2mA. What is the resistance of the toy car
Two ideal polarizers A and B are aligned so that their transmission axis are vertical and horizontal respectively. Assuming that unpolarized light of intensity Io is incident upon the first polarizer (Polarizer A), find an expression for the light ..
Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Find the speeder's speed with respect to the ground
An aircraft weighing 865 N is accelerated at 7 m/s/s for 8 seconds, How much work was done on the aircraft
What is the true gravitational acceleration and the centrifugal acceleration and how much work does the girl do to set herself and the merry-go-round into motion?
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 445 Hz, calculates the speed of the train
A sled starts up an incline of 350 with the horizontal. The sled starts from the bottom with an initial velocity of 5 m/s. (a) How far u p the incline does it go? A second sled starts to slide from the top when the first sled starts to slide down...
A street lamp weight 164N. It is supported equally by two wires that form an angle of 129 degrees with each other. What is the tension of each of these wires.
A m1 = 14.50 kg object and a m2 = 10.00 kg object are suspended, joined by a cord that passes over a pulley with a radius of 10.00 cm and a mass of 3kg.
If in general R were calculated as R=V/I, which curcuit arrangement in part A of experiment would have the smalles ERROR? define.
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