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scoray [572]
3 years ago
10

Vectors A and B lie in the xy-plane. Vector A has a magnitude of 19.1 and is at an angle of 125.5º counterclockwise from the +x-

axis. Vector B has a magnitude of 27.7 and is 235.3° from the +x-axis. Resolve A and B into components, and express using ijk unit vectors, A = Azi + Ayj + Azk B = Bzi + Byj + Bzk where Ax, Ay, A, and Bx, By, and B, are the calculated values of the x-, y-, and z-components of vectors A and B, respectively. Ā= 0 A bot Find the magnitude and unit vector for the cross product between A and B. |Āx B| = Identify the unit vector for AX B. a) i b) jc) k
Physics
1 answer:
Nady [450]3 years ago
8 0

Answer:

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Explanation:

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At the highest point in its trajectory, the ball's acceleration is zero but its velocity is not zero.

<h3>What's the velocity of the ball at the highest point of the trajectory?</h3>
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Thus, we can conclude that the acceleration is zero and velocity is non-zero at the highest point projectile motion.

Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: Player kicks a soccer ball in a high arc toward the opponent's goal. At the highest point in its trajectory

A- neither the ball's velocity nor its acceleration are zero.

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2 years ago
When the magnetic flux through a coil of wire changes, what is generated between the ends of the coil? Which equation predicts t
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When the magnetic flux this coil induces a current in each turn of the coil, which is why an induced electromotive force (Voltage) appears at the ends of the coil.

This phenomenon is fully explained by Faraday's law

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where in the case of a coil with N turns of has

        E = - N dΦ / dt

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