67. mmh A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? Velocity v (m/s) +100 +80 +60 +40 +20 0 0 A 10 20 B 30 40 50 Time t (s) 60

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A:

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A:

Q: A point object is 10 cm away from a plane mirror, and the eye of an observer (with pupil diameter…

A: In this case, the two rays hit the mirror at two different points.

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A:

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A: solution is given by

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A:

Q: When an object is between the focal point and a concave mirror, so is negative. What other values…

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A:

Q: 2.0 nC + 5.0 cm -6.0 nC -2.0 nC 45° 45° 5.0 cm + 1.0 nC

A:

Q: Less dense medium Denser medium 90° I 47° I 43° 1 What is the critical angle? 90° 90°

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A:

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A: Since lens is thinner in the center so it must be concave lens .

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Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.