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Gelneren [198K]
3 years ago
14

Answers are - A 235 NB 376 NC 271 ND 188 NE 470 N

Physics
1 answer:
amm18123 years ago
8 0

Answer:

C

Explanation:

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If the graph represents speed, what is measured on the x and y axes? You need to specifically identify which axis is which.
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X axis - time
Y - distance
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Why the bicycle stops when the cyclist stops pedaling?
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The bicycle slows down because of the frictional force acting on the tyres of the bicycle. When this frictional force overcomes the force applied by paddling, the bicycle stops.

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A proton and an electron are moving in the +x direction in a magnetic field in the +z
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Answer:

Explanation:

A proton and electron are moving in the positive x direction, this shows that their velocity will be in the positive x direction

V = v•i

Magnetic field Is the positive z direction

B = B•k

A. For proton.

Proton has a positive charge of q

Direction of force on proton

Force is given as

F = q(v×B)

F = q( v•i × B•k)

F = qvB (i×k)

From vectors i×k = -j

F = -qvB •j

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B. For electron

Electron has a negative of -q

Direction of force on proton

Force is given as

F = q(v×B)

F = -q( v•i × B•k)

F = -qvB (i×k)

From vectors i×k = -j

F = --qvB •j

F = qvB •j

Then, for the negative charge, the force will act in the positive direction of the y-axis

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3 years ago
During a baseball game, a baseball is struck at ground level by a batter. The ball leaves the baseball bat with an initial veloc
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Answer:

145.8m

Explanation:

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I am totally lost with this sorry
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