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Steve Romeo is throwing pebbles gently up to Sara Juliet's window, and he wants the pebbles to hit the window with only a horizontal component of velocity. He is standing at the edge of a rose garden 8.0 meter below her window and 9.0 meter from the base of the wall. Compute how fast are the pebbles going when they hit her window?
A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B.
The official record for the lowest temperature ever recorded on earth was set at Vostok, Antarctica, on July 21, 1983. the temperature on that day fell to - 89.2 degree celcius well below the temperature of dr
A mass , m=1.75 kg, is held between two springs having spring constants 30 N/m and 75 N/m respectively, Find the angular frequency, w, for small oscillations
A boy has a 100-g stone. He places it in a leather pouch attachedto the end of a 1-meter leather thong. what was the velocity of the stoneas it left the pouch
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. what is the magnitude of the total acceleration a
A 0.49 kg object connected to alight spring with a force constant of 24.8 N/m oscillates on a frictionless horizontalsurface. Determine the maximum speed of the object
A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, respectively, 13.1 kg and 3.76 10-3 m3. Find the mass of the gold in the rock
q1. a simple harmonic oscillator consists of a block of mass 1.80 kg attached to a spring of spring constant 107 nm.
Two ants race across a table 62 cm long. One travels at 4.77 cm/s and the other at 2 cm/s. When the first one crosses the finish line, how far behind is second one. What am I trying to solve for distance, speed, or time.
A 60kg boy and a 45 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.3 m/s2, find the magnitude of the acceleration of the boy toward the girl.
An rms voltage of 91 V is applied to a purely resistive load of 6.00 . Find values for the maximum voltage applied and the rms current supplied
A generator is made from a set of 7000 loops of area 5.00 cm2 rotating at an angular frequency of 600 radians per second. How many turns per unit length must the solenoid have
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