MasteringPhysics: HW04 t CSecure https//session.masteringphysics com/myctfitemVi

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MasteringPhysics: HW04 t CSecure https//session.masteringphysics com/myctfitemView ::: Apps I ported From El AIRnUSpeculv2 m. ASURITE Signin e Homel Cheggcom D-995342848 offset-prev Factory Map My Ame cantopres Brytewave: Man f C AMCL ACT VE wp A Alaska usAse ces zy EGR 21 Comput t KHW04 Frames of Reference It's All Relative 4 of 5 onstant Any event can be considered from different perspectives. In particular, the description of the motion of a given object would depend on the motion of the person describing the motion, the observer. Any such observer, equipped with a coordinate system and a stopwatch, forms a frame of reference. Usually, we assume that a frame of referance is attached to some object. For instance, "the frame of reference of earth" means the observer is at rest relative to earth. In this problem, you will practice viewing motion and calculating its parameters in different frames of reference. The rules of vector addition and subtraction will be useful here. To denote the velocities in different frames of reference, we will use the following notation: vpo means "the velocity of object P in the frame of reference (or with respect to, or relative to) object Q. Consider four cars: A, B, C, and D. The cars are moving along a straight stretch of a road; their velocities are shown in the diagram 12 m's 0 15 m/s 20 m/s The first several questions refer to this diagram. Part A Consider the statement of the problem:".[the cars'] velocities are shown in the diagram." It is reasonable to assume that the velocities on the diagram are given relative to which of the following? earth ^ 4x 6:59 PM 96/2018

Explanation / Answer

Part (A) earth

Part (B) 12 m/s to the right

Part (C) 12 m/s to the left

Part (D) no

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