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A pendulum clock can be approximated as a simple pendulum of length 1.47 m and keeps accurate time at a location where g = 9.83 m/s2. In a location where g = 9.73 m/s2, what must be the new length of the pendulum, such that the clock continues to keep accurate time (that is, its period remains the same)?
A spring oscillator is designed with a mass of 0.144 kg. It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 6.90 s. Find the required damping constant for the syste..
A hypothertical 30 cm long arm. For the purposes of answering this question assume that the arm itself is weightless. what is the maximum mass that can be held in the hand if the muscle is attached 2 cm from the bleow
An experimenter arranges to trigger two flash bulbs simultaneously, What is the time interval between them according to her
A block of ice of mass 100 g and at 00 C is dropped into 500 g of water at 800 C in a Styrofoam cup. describe the process of each heat loss or gain
A mass m = 17.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4047.0 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is ?k = 0.42. The mass leaves th..
Two long wires carrying equal currents I are at right angles to each other, but don't quite touch. Describe the magnetic force one exerts on the other
Two 2.0-cm-diameter insulating spheres have a 5.30 cmspace between them. One sphere is charged to + 93.0 nC, theother to - 37.0 nC. What is the electric field strength at the midpoint between the two spheres?
An elastic conducting material is stretched into a circular loop of 16.1 cm radius. What emf is induced in volts in the loop at that instant
A 250 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 3.5 N/cm, What is the speed of the block just before it hits the spring
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole
The human reaction at operating a stop watch
A proton beam in an accelerator carries a current of 115µA. If the beam is incident on a target, how many protons strike the target in a period of 26.0s?
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