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A spring is hanging down from the ceiling, and an object of mass m is attached to the free end. The object is pulled down, thereby stretching the spring, and then released. The object oscillates up and down, and the time T required for one complete up-and-down oscillation is given by the equation T = 2sqrt(m/k), where k is known as the spring constant. What must be the dimension of k for this equation to be dimensionally correct?
question1two speakers one directly behind other are each generating a 268-hz sound wave. what is the least separation
The 5400m 1000-500mb thickness contour is often used as a proxy for the rain/snow line throughout much of the country. Calculate the mean virtual temperature of the layer for this thickness value.
Alpine's incremental borrowing note was 6%. Assuming the lease qualifies as a capital lease, illustrate what amount would be recorded as leased equipment under capital leases on January 1, 2010?
Two point charges q1 = -3 nC and q2 = -27 nC are at x = 0 and x = 25 cm, respectively, and free to move. What is the sign of the third charge
Calculate g for space shuttle territory. A 7.0×10-2-{rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with the constant speed of 1.30 m/s in a horizontal circle of radius 0.47 m.
q1. a 346- uniform 1.04- bar is suspended horizontally by two vertical cables at each end. cable a can support a
A crane which is effectively fixed to ground lifts a box of mass m with constant speed. The arm of the crane is supported at its base by a friction-free pivot. Determine the tension in the supporting cable
question1the index of refraction for red light in water is 1.331 and that for blue light is 1.340. if a ray of white
A 2000 kg car rounds a curve of radius 70 banked at an angle of 12. What is the magnitude of the friction force
An athlete at the gym holds a 2.5 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4-kg. What is the magnitude of the torque about his muster if he holds his arm straight out to his side, parallel to the floor.
A 2000 kg elevator initially is moving with speed 2 m/s as it passes the 5th °oor. How much work is done by nonconservative forces during the 10 second interval
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. The aluminum is 3 mm thick. You notice that after 25 minutes.
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