Here is the situation: A puck is resting on the floor of a large moving van. Assume that the floor of the van is frictionless. The van and the puck are initially at rest, then the van undergoes a positive uniform acceleration. Determine whether each statement below is True or False. True False False False Someone outside the van sees the puck remain stationary with respect to the ground. v Someone in the van sees the puck move toward the front of the van. - If the van turns to the right, the puck will hit the right wall. - The puck is stationary with respect to the ground during this acceleration. - The magnitude of the acceleration of the van with respect to the ground is ... the magnitude of the puck's acceleration with respect to the van. v The acceleration of the van with respect to the ground is ... the acceleration of the puck with respect to the ground. equal to less than Your textbook is a useful resource for this question. Consider Newton's First Law. Submit Answer Incorrect. Tries 8/10 Previous Tries

Here is the situation: A puck is resting on the floor of a large moving van. Assume that the floor of the van is frictionless. The van and the puck are initially at rest, then the van undergoes a positive uniform acceleration. Determine whether each statement below is True or False. True False False False Someone outside the van sees the puck remain stationary with respect to the ground. v Someone in the van sees the puck move toward the front of the van. - If the van turns to the right, the puck will hit the right wall. - The puck is stationary with respect to the ground during this acceleration. - The magnitude of the acceleration of the van with respect to the ground is ... the magnitude of the puck's acceleration with respect to the van. v The acceleration of the van with respect to the ground is ... the acceleration of the puck with respect to the ground. equal to less than Your textbook is a useful resource for this question. Consider Newton's First Law. Submit Answer Incorrect. Tries 8/10 Previous Tries

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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just parts j-m
A
I got Part B wrong and wasn't sure where at. Could someone walk me through it?
In a charming 19th-century hotel, an old-style elevator is connected to a counterweight by a cable that passes over a rotating disk 2.00 m in diameter (Figure 1). The elevator is raised and lowered by turning the disk, and the cable does not slip on the rim of the disk but turns with it. Part A At how many rpm must the disk turn to raise the elevator at 35.0 cm/s? Express your answer in revolutions per minute. Nνα ΑΣφ W = rpm Part B Figure 1 of 1 To start the elevator moving, it must be accelerated at g. What must be the angular acceleration of the disk, in rad/s? Express your answer in radians per second squared. Πν ΑΣφ ? Disk a = rad/s? Counterweight Part C Elevator
You're driving home from the grocery store at 12 m/s with a 7.0 kg bag of groceries on the front seat when the light ahead turns red. Part A What is the shortest distance in which you can stop, after the brakes are applied, without the groceries sliding off the seat? The static and kinetic coefficients of friction are, respectively, 0.65 and 0.45. Assume that the surface of the seat is horizontal. Express your answer with the appropriate units. ► View Available Hint(s) Ax= HÅ Value Units ?
Parts D-F only
Block A in (Figure 1) is heavier than block B and is sliding down the incline. All surfaces have friction. The rope is massless, and the massless pulley turns on frictionless bearings. The rope and the pulley are among the interacting objects, but you'll have to decide if they're part of the system. B A Draw a free-body diagram for the block B Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. J
Part A A block lies on a plane raised an angle e fram the horizantal. Three forces act upon the block: Fw, the force of gravity. Fn. the narmal force; and Fr. the force of friction. The coefficient of friction is large enaugh to prevent the block from sliding (Figure 1). Consider coordinate system a, with the x axis along e plane. Which forces lie along the axes? O Ée arly O F, anly O F. only O ři and F. O ř and F. O řa and F. O ř and řa and ř. Submit Requect Ancwor Part B Which forces lie along the axes af the coordinate system b, in which the y axis is vertical? O F anly O F. anly O F. only O F and P, O ř and F. O F, and F. O řr and Fa and Ě, Submit Request Answer Usually the best advice is to choose a coordinate system so that the acceleration of the system is directly along one of the coordinate axes. If the system isn't accelerating, then you are better off choosing the coordinate system with the most vectors along the coordinate axes. But now you are gaing to ignore that advice.…
B1
a The diagram above shows a yellow car going around a curve in a road (the broad gray line with a white dashed line) as seen from above. In the diagram, the car is moving to the right and slightly upward (notice the headlights are to the right and the tail lights are to the left). At its position shown in the diagram, the road has a radius of curvature r of 43 meters. At the time shown in the diagram, the car is speeding up at a rate of 2.2 m/s?. Also at this time, the total acceleration of the car (shown by a green arrow in the diagram) has a magnitude of 4.2 m/s?. Calculate the speed of the car, in units of meters per second, and this time. .-----
C?
n the figure to the right, the hanging mass m) is 2.50kg. What would be the required mass on the table (M) for the system to move with an acceleration of a=7.25m/s²? part of your solution, you are required to fill out the following: As