Remember to include given information, basic equations, calculations, and solutionswith correct units for full credit. You are NOT to use kinematics unless otherwise stated.1. Scott Lang presses the button on his suit and grows to a super largesize. If he then picks up a 2,400 kg bus at a constant velocity from theground and raises it up 45.0 m,a. how much work has he performed on the bus?b. how much work has gravity performed on the bus?c. If he was able to lift the bus in 19.6 seconds, how much powerdid Ant Man expend?

Answered: Image /qna-images/answer/624d6653-021a-49bc-8eae-752742bbcac8.jpg

Answered: Remember to include given information,…

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter1: The Study Of Motion

Section: Chapter Questions

Problem 26Q

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(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) A wind is blowing from the north (the air is moving toward the south). When a person is walking toward the north, is the relative speed of the wind that the person senses greater than, the same as, or less than the speed the person senses when not walking? How about when the person is walking toward the south?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Jane and John are both on roller skates and facing each other, First Jane pushes John with her hands and they move apart. They get together again, and John pushes Jane equally hard with his hands and they move apart Is their subsequent motion any different in the two cases? Why or why not?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) An astronaut working with many tools some distance away from a spacecraft is stranded when the "maneuvering unit" malfunctions. How can the astronaut return to the spacecraft by sacrificing some of the tools?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation topically require integrating Or extending the concepts presented thus far.) The speed of an aircraft is sometimes expressed as a Mach number; Mach 1 means that the speed is equal to the speed of sound. If you wish to determine the speed of an aircraft going Mach 2.2, for example, in meters per second or miles per hour, what additional information do you need?
Rank the following three collisions in terms of the extent of damage that the car would experience. Explain your reasons for ranking the collisions as you did. (a) A car going 10 m/s striking an identical car that was stationary on level ground. (b) A car going 10 m/s running into an immovable concrete wall. (c) A head-on collision between identical cars, boom going 10 m/s.
between points in a plane do not change when a coordinate system is rotated In other words, the magnitude of a vector Is invariant under rotations of the coordinate system. Suppose a coordinate system S is rotated about its origin by angle to become a new coordinate system S’, as shown in the following figure. A point in a plane has coordinates (x,y)in S and coordinates (x,y) in S’. (a) Show that, during the transformation of rotation, the coordinates in S are expressed in terms of the coordinates in S by the following relations: {x=xcos+ysiny=xsin+ycos (b) Show that the distance of point Pto the origin is invariant under rotations of the coordinate system. Here, you have to show that x2+y2=x2+y2. (c) Show that the distance between points Pand Q is invariant under rotations of the coordinate system. Here, you have to show that ( xP =xQ )2+( yP yQ )2=( xP =xQ )2+( yP yQ )2 .
Scientists and engineers must interpret problems from various sources. We can practice this skill anytime we read a newspaper or magazine or browse the Internet. Consider the Rocket Car urban legend that can be found on many Internet sites, in which the Arizona Highway Patrol allegedly found the vaporized wreckage of an automobile. The story goes that after some analysis and investigation, it was believed that a former Air Force Sergeant attached solid-fuel rockets to his 1967 Chevy Impala and ignited the rockets approximately 3.9 miles from the crash site. The vehicle quickly reached a speed of approximately 275 mph. It continued at this speed for 20 to 25 seconds. The car remained on the highway for 2.6 miles before the driver applied the brakes. The brakes melted and the tires blew out, causing the vehicle to become airborne. It traveled through the air for 1.3 miles before it hit a cliff face 125 feet above the road. Of course, this story was debunked. It is physically implausible, but it can still provide an opportunity to practice analyzing a problem. a. C Draw a Sketch of the Situation. b. C For the constant-velocity part of the cars motion, identify initial and final positions, the velocity, and the time interval. c. N Calculate the displacement using the position data and then again using the velocity and time data. Are your results consistent? d. C If your results are not consistent, reread the legend and identify possible sources of the discrepancy.
Convert 13.7 billion yeans (the age of the Universe) to the appropriate SI unit. Be sure to report your answer with the correct number of significant figures.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) 13. When you throw a ball, the work you do to accelerate it equals the kinetic energy the ball gains. If you do twice as much work when throwing the ball, does it go twice as fast? Explain.
(a) If AF=BF , can we conclude A=B ? (b) If AF=BF , can we conclude A=B ? (c) If FA=BF , can we conclude A=B ? Why or why not?
The layout of the town of Popperville is a perfectly square grid, with blocks 100 feet long (Fig. P3.8). A cat leaves her house and travels to Mike Mulligans place 4 blocks west and 3 blocks north of its starting point. After lapping up the milk that Mike always leaves out, the cat travels an additional 1 block north and 3 blocks east to Mrs. McGillicuttys house. a. On your paper, carefully copy the grid of streets that contains the cats house, Mike Mulligans house, and Mrs. McGillicuttys house. Then draw and label three displacement vectors on your sketch: r1, the cats displacement from her house to Mike Mulligans; r2, the cats displacement from Mike Mulligans to Mrs. McGillicuttys; and rtot, the cats total displacement. b. Write an equation to relate the three displacement vectors you have drawn. c. Is the distance the cat traveled greater than, less than, or equal to the magnitude of the cats total displacement vector? Explain. FIGURE P3.8
A truck is traveling east at 80 km/h. At an intersection 32 km ahead, a car is traveling north at 50 km/h. (a) How long after this moment will the vehicles be closest to each other? (b) How far apart will they be at that point?

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