You hang a heavy ball with a mass of 48 kg from a chromium rod 2.5...
You hang a heavy ball with a mass of 48 kg from a chromium rod 2.5 m long by 2.4 mm by 3.2 mm. You measure the stretch of the rod, and find that the rod stretched 0.0006174 m.
(a) Using these experimental data, what value of Young's modulus do you get?
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You hang a heavy ball with a mass of 48 kg from a chromium rod
2.5...
please help with question 1 and 4a, 4b 1) A planet of mass 5 x 1024...
please help with question 1 and 4a, 4b
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please help with question 1 and 4a, 4b
1) A planet of mass 5 x 1024 kg is at location <1 x 1011,5 x 1011,0 > m. A star of mass 5 x 10" kg is at location < 7 X 10", 10 X 10",0 > m. What is the gravitational force exerted on the planet by the star? Express your answer as a 3-component vector. It may be useful to draw a diagram of the situation, including the relevant...
A diamond rod and a tungsten rod have the same length and diameter and are subjected to the same force. If the diamond rod stretches by 2.30 times 10^-6 m, by what amount will the tungsten rod stretch? Young's modulus for diamond = 1.22 times 10^12 N/m^2; for tungsten = 3.60 times 10^11 N/m^2. A spider of mass 7.0 times 10^-4 kg hangs from a 75.4-cm-long thread whose diameter is 2.0 times 10^-3 mm. Young's modulus of thread is 3....
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The ball A of mass 8 kg is attached to the light rod of length / = 0.77 m. The mass of the carriage alone is 204 kg, and it moves with an acceleration ao as shown. If = 2.5 rad/s when ? = 90°, find the kinetic energy T of the system if the carriage has a velocity of 1.59 m/s (a) in the direction of ao and (b) in the direction opposite to ao. Treat the ball as...
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