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Spider-Man, who has mass m = 65 kg, is standing on a tall boat, and shoots a web (assume it's like a rope) at and
Spider-Man, who has mass m = 65 kg, is standing on a tall boat, and shoots a web (assume it's like a rope) at and angle of 45" onto a bridge (see gure). His web is length L = 20 m, and he swings until the rope-like web is exactly vertical. \fa) [12 pts] How fast is Spider-Man moving when the web is vertical?b) [8 pts] What is the tension in the web when it's vertical? (hint: draw a free body diagram)c) [10 pts] What are the components of the acceleration vector of Spider-Man the moment he just begins to swing and his speed is zero (when the web is at a 45 angle to the vertical)? Please make sure your choice of axes are clearly drawn; that is, to show whether or not they are tilted at a particular angle. d)[5 pts] If, when the web is vertical, it is stretched by 1 millimeter (due to the tension on it), what is the Young's modulus of the web? Assume the web's cross section is a circle with radius of 1 centimeter (1Cr2 m)
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