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A block of unknown mass is attached to a spring of spring constant 5.6 N/m and under- goes simple harmonic motion with an amplitude of 13.8 cm. When the mass is halfway between its equilibrium position and the end-point, its speed is measured to be 38.8 cm/s. Calculate the mass of the block.
A glass lens has a scratch-resistant plastic coating on it. The speed of light in the glass is 0.659c, At what angle with respect to the normal is the ray transmitted
In a classroom demonstration, a speaker was mounted on the end of a 50.0 cm long arm, Calculate the range of sound frequencies heard by the students in the classroom
A block whose weight is 41.0 N rests on a horizontal table. A horizontal force of 36 N is applied to the block, what will be the block's acceleration? (If not, enter 0.)
A daredevil on a motorcycle leaves the end of a ramp with a speed of 36.0 m/s, what is the maximum height that he reaches
A simple pendulum of length 2.00 m is made with a mass of 2.00 kg. What is the maximum angle away from the lowest position the pendulum will reach
A circuit consists of three resistors (R1=29 , R2=14 , R3=41 ) and a battery(37 V). What is the current coming from the battery
A weight lifter lifts a 420 N set of weights from ground level to a position over his head, a vertical distance of 1.70 m. How much work does the weight lifter do, assuming he moves the weights at constant speed?
In a circus performance, a monkey on a sled is given an initial speed of 4.6 m/s up a 23? incline. How far up the incline does the sled move
A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.00 cm apart. Calculate the distance from the positive plate
a long thin sierra pacific power line kilometers long carries a uniformly distributed charge of 8.2 microcoulombs per
A 45 kg woman stands up in a 60 kg canoe of length 5 meters.She walks from a point 1 meter from one end to a point 1 meter fromthe other end. how far does the canoe move during this process
A cylinder of radius b has a moment of inertia I = (1=2)mb2. The cylinder is rolled along a °at horizontal surface at speed v, What is the initial speed v of the cylinder
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