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In a museum exhibit, three equal weights are hung with identical wires. Each wire can support a tension of no more than 72.0N without breaking. Start each of the following parts with an appropriate free-body diagram
b) Under these conditions, what is the tension in the top wire?
c) Under these conditions, what is the tension in the middle wire?
d) Under these conditions, what is the tension in the lowest wire?
A patient recovering from surgery is being given fluid intravenously. The fluid has a density of 1040 kg/m3, and 9.54 10-4 m3 of it flows into the patient every five hours. Find the mass flow rate in kg/s
A wheel 90.0 cm in diameter accelerates uniformly from 235 rpm to 385 rpm in 6s. How far will a point on the edge of the wheel have travelled in this time.
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
A meterstick (L = 1 m) has a mass of m = 0.121 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at the 75 cm mark. What is the tension in the left string?
The ends of a 20cm long, 2.0cm diameter are maintained at 0°C and 100°C, What material is the rod made of
What's the advantage of launching space vehicles from high flying aircraft in place of from the ground.
Treating a lightning bolt as a long, thin wire, calculate the magnitude of the magnetic field produced by such a bolt of lightning at a distance of 71 m.
How far downstream will you be carried. The water in a river flows uniformly at the constant speed of 2.03 m/s between parallel banks 87.7 m apart.
An object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x-direction when its x-coordinate is 3.18 cm. If its x-coordinate 2.95 s later is ?5.00 cm, what is its acceleration?
Announcers at a certain radio station say that they are at "95 FM on your dial," meaning that they transmit at a frequency of 95 MHz (95 megahertz, or 95 million cycles per second). What is the wavelength of the radio waves from this station?
A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving.
A tennis ball with a speed of 13.20 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 10.36m/s.
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