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A spring with k = 53 N/m hangs vertically next toa ruler. The end of the spring is next to the 15 cm mark on theruler, if a 2.5 kg mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
q1. a friend of yours is loudly singing a single note at 417 hz while racing toward you at 25.7 ms on a day when the
A dolphin located in seawater at a temperature of 25 °C emits a sound directed toward the bottom of the ocean 200m below. How much time passes before it hears an echo.
A coin is located 27.9 cm to the left of a converging lens (f = 20.0 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses
question1you encounters a moving walkway that is 91 long and has the speed of 2.1 relative to the ground. how long
A 65.0 kg base runner begins his slide into second base when he is moving at a speed of 4.5 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base.
The collision is not head-on. After the collision, the two pucks fly apart with the angles shown in the drawing. Find out the final speed of puck A also Find out the final speed of puck B. m/s
A rocket of total mass M and with burnout mass 0.20 M attains a speed of 3 200 m/s after starting from rest in deep space. Evaluate the exhaust velocity of the rocket?
The density of ice is 0.92 g/cm^3, and the density of seawater is 1.03 g/cm^3. A large iceberg floats in Artic waters. What fraction of the iceberg is exposed
A student makes a simple generator by using a single square loop 24 cm on each side. The loop is then rotated at a frequency of 60 Hz in a magnetic field of 0.044 T.
A particular myelinated axon has nodes spaced 0.80mm apart. The resistance between nodes is 22M ohms ; the capacitance of each insulated segment is 1.3 pF .
The auditory canal, leading to the eardrum, is a closed pipe 2.8 cm long. Find out the approximate value (ignoring end correction) of the lowest resonance frequency.
A classical particle of mass m moves in 1 dimension and is attached to an ideal spring of spring constant mw_0^2 . Ignore friction. Take the equilibrium position of the particle to be the origin of the particle’s position x.
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