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Spiderman's webbing has a cross sectional area of A = 10^-6 m^2. The Young's modulus of the silk is Y = 200 x 10^10 Pa, and has a breaking strength of 1 x 10^9 Pa. Suppose Spiderman, of mass m = 80 kg, is swinging along the end of a web-rope of lengthL = 30m.
1. How much force can be applied to the spiderman web-rope before it breaks?
2. How far will it have stretched before breaking?
An arrow is fired from a castle tower at an angle of 40 degrees above horizontal, and with a speed of 62 m/s. What is the speed of the arrow as it hits the ork
A simple Atwoods machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 2.0 m/s at the end of 5.0 s. Determine the values of m1 and m2
the fact that it moves very slowly by sky would probably cause it to be named after Yurtle, the god of turtles.
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 15 m/s at an angle of 32° above the horizontal. (a) How long does it take for the ball to reach the wall if it is 4.2 m away? ..
A neutral conductor contains a hollow cavity in which there is a +100 nC point charge. what is the charge on the exterior surface of the conductor
Tarzan, King of the Jungle (mass = 70.4 kg), grabs a vine hanging from a tree branch. He is 4.80m off the ground when he grabs the vine. How high will Tarzan and Jane swing
The train passes point A with a speed of 30 m/s and begins to decrease its speed at a constant rate of at = -0.25 m/s2. Determine the magnitude of the acceleration of the train
An aluminum wire having a cross-sectional area equal to 4.90 10-6 m2 carries a current of 8.00 A. Find the drift speed of the electrons in the wire
What is the maximum speed the masses
q1. determine the tension in each cable if the boat has a mass of 490 kg and the angle of each cable is 50 degrees from
Then find the force between them as a function of distance h. describe why the sign of the force does (or does not) make sense to you.
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 147 N/C downward at an altitude of 250 m, Calculate the volume charge density of the atmosphere
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