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The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. The unstretched length of the wire is 1.9 m, and its cross-sectional area is 2.4 x 10-5 m2. The pulley is frictionless and massless. When the crates are accelerating, determine the change in length of the wire. Ignore the mass of the wire.
Find the initial velocity and how long the ball was in the air before it hit the ground
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10×10^8Pa. by how much does its volume decrease
The two 10-cm-long parallel wires are divided by 5.0 mm. For what value of the resistor will the force between the two wires be 1.08×10-4 N.
Illustrate what constant acceleration does Mary now need during the remaining portion of the race, if she wishes to cross the finish line side-by-side with Sally?
What is the acceleration experienced by 0 tip of the 1.50 cm long sweep second hand on your wrist watch? In M/s^2.
What is change in electrical potential energy of electron
Steam enters a circular pipe at 1600 kPa, 400 oC and 10 m/sec and exits at 1000 kPa and 32 m/sec. find parameters of steam and pipe
A police radar gun emits an electromagnetic wave at a frequency of fs = 1.08×1013 Hz. What is the speed of the oncoming car (v)
Calculate the force a piano tuner applies to stretch a steel piano wire 7.70 mm, if the wire is originally 0.850 mm in diameter and 1.30 m long
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. What is the refractive power of a magnifying glass that has an angular magnification of 7.9 when the image of the stamp is located at the near point
Consider a particle with positive charge q = 8.00 * 10^18 C moves with velocity v=(4i + 2j - k) m/s through a region, calculate the total force on the moving particle
A ball is thrown straight upward in the air at a speed of 18.0 m/s, What is the maximum height the ball will reach
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