Science
PhysicsPhysics for Scientists and Engineers, Technology Update (No access codes included)Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end of which is fixed to a tree limb above. By repeatedly bending at the waist, he is able to get the rope in motion, eventually getting it to swing enough that he can reach a ledge when the rope makes a 60.0° angle with the vertical. How much work was done by the gravitational force on Spiderman in this maneuver?

Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end of which is fixed to a tree limb above. By repeatedly bending at the waist, he is able to get the rope in motion, eventually getting it to swing enough that he can reach a ledge when the rope makes a 60.0° angle with the vertical. How much work was done by the gravitational force on Spiderman in this maneuver?

BuyFind

Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399
BuyFind

Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399

Solutions

Chapter
Section
Problem 7.1QQ
Problem 7.2QQ
Problem 7.3QQ
Problem 7.4QQ
Problem 7.5QQ
Problem 7.6QQ
Problem 7.7QQ
Problem 7.8QQ
Problem 7.1OQ
Problem 7.2OQ
Problem 7.3OQ
Problem 7.4OQ
Problem 7.5OQ
Problem 7.6OQ
Problem 7.7OQ
Problem 7.8OQ
Problem 7.9OQ
Problem 7.10OQ
Problem 7.11OQ
Problem 7.12OQ
Problem 7.13OQ
Problem 7.14OQ
Problem 7.15OQ
Problem 7.16OQ
Problem 7.1CQ
Problem 7.2CQ
Problem 7.3CQ
Problem 7.4CQ
Problem 7.5CQ
Problem 7.6CQ
Problem 7.7CQ
Problem 7.8CQ
Problem 7.9CQ
Problem 7.10CQ
Problem 7.11CQ
Problem 7.12CQ
Problem 7.13CQ
Problem 7.14CQ
Problem 7.1P
Problem 7.2P
Problem 7.3P
Problem 7.4P
Problem 7.5P
Problem 7.6P
Problem 7.7P
Problem 7.8P
Problem 7.9P
Problem 7.10P
Problem 7.11P
Problem 7.12P
Problem 7.13P
Problem 7.14P
Problem 7.15P
Problem 7.16P
Problem 7.17P
Problem 7.18P
Problem 7.19P
Problem 7.20P
Problem 7.21P
Problem 7.22P
Problem 7.23P
Problem 7.24P
Problem 7.25P
Problem 7.26P
Problem 7.27P
Problem 7.28P
Problem 7.29P
Problem 7.30P
Problem 7.31P
Problem 7.32P
Problem 7.33P
Problem 7.34P
Problem 7.35P
Problem 7.36P
Problem 7.37P
Problem 7.38P
Problem 7.39P
Problem 7.40P
Problem 7.41P
Problem 7.42P
Problem 7.43P
Problem 7.44P
Problem 7.45P
Problem 7.46P
Problem 7.47P
Problem 7.48P
Problem 7.49P
Problem 7.50P
Problem 7.51P
Problem 7.52P
Problem 7.53P
Problem 7.54AP
Problem 7.55AP
Problem 7.56AP
Problem 7.57AP
Problem 7.58AP
Problem 7.59AP
Problem 7.60AP
Problem 7.61AP
Problem 7.62AP
Problem 7.63AP
Problem 7.64AP
Problem 7.65AP
Problem 7.66CP
Problem 7.67CP
Chapter 7, Problem 7.6P
Textbook Problem

Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end of which is fixed to a tree limb above. By repeatedly bending at the waist, he is able to get the rope in motion, eventually getting it to swing enough that he can reach a ledge when the rope makes a 60.0° angle with the vertical. How much work was done by the gravitational force on Spiderman in this maneuver?

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Chapter 7,
Problem 7.5P
Chapter 7,
Problem 7.7P

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Chapter 7 Solutions

Physics for Scientists and Engineers, Technology Update (No access codes included)
Ch. 7 - The gravitational force exerted by the Sun on the...Ch. 7 - Figure 7.4 shows four situations in which a force...Ch. 7 - Which of the following statements is true about...Ch. 7 - A dart is inserted into a spring-loaded dart gun...Ch. 7 - A dart is inserted into a spring-loaded dart gun...Ch. 7 - Choose the correct answer. The gravitational...Ch. 7 - A ball is connected to a light spring suspended...Ch. 7 - What does the slope of a graph of U(x) versus x...Ch. 7 - Alex and John are loading identical cabinets onto...Ch. 7 - If the net work done by external forces on a...
Ch. 7 - A worker pushes a wheelbarrow with a horizontal...Ch. 7 - A cart is set rolling across a level table, at the...Ch. 7 - Lei N represent the direction horizontally north,...Ch. 7 - Is the work required to be done by an external...Ch. 7 - A bloc k, of mass m is dropped from the fourth...Ch. 7 - An a simple pendulum swings back and forth, the...Ch. 7 - Bullet 2 has twice the mass of bullet 1. Both are...Ch. 7 - Figure OQ7.10 shows a light extended spring...Ch. 7 - If the speed of a particle is doubled, what...Ch. 7 - Mark and David are loading identical cement blocks...Ch. 7 - (i) Rank the gravitational accelerations you would...Ch. 7 - A certain spring that obeys Hookes law is...Ch. 7 - A cart is set rolling across a level table, al the...Ch. 7 - An ice cube has been given a push and slides...Ch. 7 - Can a normal force do work? If not, why not? If...Ch. 7 - Object 1 pushes on object 2 as the objects move...Ch. 7 - A student has the idea that the total work done on...Ch. 7 - (a) For what values of the angle between two...Ch. 7 - Can kinetic energy be negative? Explain.Ch. 7 - Discuss the work done by a pitcher throwing a...Ch. 7 - Discuss whether any work is being done by each of...Ch. 7 - If only one external force acts on a particle,...Ch. 7 - Preparing to clean them, you pop all the removable...Ch. 7 - You are reshelving books in a library. You lift a...Ch. 7 - A certain uniform spring has spring constant k....Ch. 7 - What shape would the graph of U versus x have if a...Ch. 7 - Does the kinetic energy of an object depend on the...Ch. 7 - Cite two examples in which a force is exerted on...Ch. 7 - A shopper in a supermarket pushes a cart with a...Ch. 7 - A raindrop of mass 3.35 10-5 kg falls vertically...Ch. 7 - In 1990, Walter Arfeuille of Belgium lifted a...Ch. 7 - The record number of boat lifts, including the...Ch. 7 - A block of mass m = 2.50 kg is pushed a distance d...Ch. 7 - Spiderman, whose mass is 80.0 kg, is dangling on...Ch. 7 - For any two vectors A and B, show that...Ch. 7 - Vector A has a magnitude of 5.00 units, and vector...Ch. 7 - For A = 3i + j + k, B = -i + 2j + 5k, and C = 2j -...Ch. 7 - Find the scalar product of the vectors in Figure...Ch. 7 - A force F = (6i 2j) N acts on a panicle that...Ch. 7 - Using the definition of the scalar product, find...Ch. 7 - Lei B = 5.00 m at 60.0. Let the vector C have the...Ch. 7 - The force acting on a panicle varies as shown in...Ch. 7 - A particle is subject to a force Fx that varies...Ch. 7 - In a control system, an accelerometer consists of...Ch. 7 - When a 4.00-kg object is hung vertically on a...Ch. 7 - Hookes law describes a certain light spring of...Ch. 7 - An archer pulls her bowstring back 0.400 m by...Ch. 7 - A light spring with spring constant 1 200 N/m is...Ch. 7 - A light spring with spring constant k1 is hung...Ch. 7 - Express the units of the force constant of a...Ch. 7 - A cafeteria tray dispenser supports a stack of...Ch. 7 - A light spring with force constant 3.85 N/m is...Ch. 7 - A small particle of mass m is pulled to the top of...Ch. 7 - The force acting on a particle is Fx = (8x 16),...Ch. 7 - When different loads hang on a spring, the spring...Ch. 7 - A 100-g bullet is fired from a rifle having a...Ch. 7 - A force F = (4xi + 3yj), where F is in newtons and...Ch. 7 - Review. The graph in Figure P7.20 specifies a...Ch. 7 - A 3.00-kg object has a velocity (6.00i - 2.00j)...Ch. 7 - A worker pushing a 35.0-kg wooden crate at a...Ch. 7 - A 0.600-kg particle has a speed of 2.00 m/s at...Ch. 7 - A 4.00-kg particle is subject to a net force that...Ch. 7 - A 2 100-kg pile driver is used to drive a steel...Ch. 7 - Review. In an electron microscope, there is an...Ch. 7 - Review. You can think of the workkinetic energy...Ch. 7 - Review. A 7.80-g bullet moving at 575 m/s strikes...Ch. 7 - Review. A 5.75-kg object passes through the origin...Ch. 7 - A 1 000-kg roller coaster car is initially at the...Ch. 7 - A 0.20-kg stone is held 1.3 m above the top edge...Ch. 7 - A 400-N child is in a swing that is attached to a...Ch. 7 - A 4.00-kg particle moves from the origin to...Ch. 7 - (a) Suppose a constant force acts on an object....Ch. 7 - A force acting on a particle moving in the xy...Ch. 7 - An object moves in the xy plane 111 Figure P7.43...Ch. 7 - The potential energy of a system of two particles...Ch. 7 - Why is the following situation impossible? A...Ch. 7 - A potential energy function for a system in which...Ch. 7 - A single conservative force acting on a particle...Ch. 7 - A single conservative force acts on a 5.0-kg...Ch. 7 - For the potential energy curve shown in Figure...Ch. 7 - A right circular cone can theoretically be...Ch. 7 - The potential energy function for a system of...Ch. 7 - Review. A baseball outfielder throws a 0.150-kg...Ch. 7 - A particle moves along the xaxis from x = 12.8 m...Ch. 7 - Two identical steel balls, each of diameter 25.4...Ch. 7 - When an object is displaced by an amount x from...Ch. 7 - A 6 000-kg freight car rolls along rails with...Ch. 7 - Why is the following situation impossible? In a...Ch. 7 - Review. Two constant forces act on an object of...Ch. 7 - The spring constant of an automotive suspension...Ch. 7 - An inclined plane of angle = 20.0 has a spring of...Ch. 7 - An inclined plane of angle has a spring of force...Ch. 7 - (a) Take U = 5 for a system with a particle at...Ch. 7 - A particle of mass m = 1.18 kg is attached between...Ch. 7 - Review. A light spring has unstressed length 15.5...

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