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The 20-cm-long wrench in the figure swings on its hook with a period of 0.74s. When the wrench hangs from a spring of spring constant 350N/m , it stretches the spring 3.5cm .
What is the wrench's moment of inertia about the hook?
A 145 g copper bowl contains 205 g of water, both at 20°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.40 g being converted to steam.
Beats of frequency 4Hz are heard when a tuning fork of frequency 1000Hz and a vibrating wire are sounded together. What is frequency of the wire.
The displacement of a wave traveling in the positivex-direction is y(x,t)=(3.5cm)cos(2.7x?92t), wherex is in m and t is in s, What is the wavelength of this wave
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], where everything is measured in standard units, meters and seconds. What is the amplitude of the wave?
What is wind velocity
define How fast are the waves moving.
A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.
A guitar string is 90cm long and has a mass of 3.6g from the bridge to support post (L) is 60cm and the string is under the tension of 560. What are the frequencies of fundamental and first two overtones.
What are the maximum and minimum inductance, Lmax and Lmin, that define the range of inductance that is safe to use if the capacitor voltage is not to exceed 145V
A jeweler working awith a heated 47 g gold ring must lower the ring's temperature to make it safe to handle. If the ring is initially at 99 C, what mass of water at 25 C is needed to lower the rings temperature to 38 c.
How numerous revolutionsthe wheel have made through the time
Some amusement park rides move you back and forth in the horizontal direction. Why is this motion so much more disturbing to your body than cruising at a high speed in a jet airplane.
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