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SSSSS [86.1K]
2 years ago
10

If the force on an object is in the negative direction, the work it does on the object must be

Physics
1 answer:
garri49 [273]2 years ago
8 0

Answer: Postive

Explanation:

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Earth has a magnetic dipole moment of 8.0 × 1022 J/T. (a) What current would have to be produced in a single turn of wire extend
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Answer:

Answer is

A. I = 6.3×10^8 A

B. Yes

C. No

Refer below.

Explanation:

Refer to the picture for brief explanation.

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An astronaut is taking a space walk near the shuttle when her safety tether breaks. what should the astronaut do to get back to
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3 years ago
Graph the linear equation y=2x-6
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4 0
3 years ago
Each of 134 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first bl
poizon [28]

Answer:

A. T=126N

B. T=63N

Explanation:

To determine the tension in each given blocks, we first determine the acceleration of each block. It obvious that each mass will move with the same acceleration since the string connecting them is massless.

Hence using the equation of force we have

F=ma

Where m=total mass of blocks,

a=acceleration

F= force applied in this case the tension in the string.

For a 134 identical masses with an applied force of 134N, the acceleration of each mass can be computed as

134=134m*a

a=134/134m

a=(1/m )m/s²

a. To calculate the tension in the string between the 126 and 127 block, we use the equation below

T=ma

Since the number of blocks before the string is 126, we multiply the mass of each block by 126.

Hence the tension can be computed as

T=126m*a

Since a=1/m then

T=126m*1/m

T=126N

B.To calculate the tension in the string between the 63 and 64 block, we use the equation below

T=ma

Since the number of blocks before the string is 63, we multiply the mass of each block by 63.

Hence the tension can be computed as

T=63m*a

Since a=1/m then

T=63m*1/m

T=63N

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3 years ago
CCDs are _____ format detectors, which detect photons with _____ efficiency. analog, high analog, low digital, high digital, low
mars1129 [50]
High digital and high are the answers.

hope this helps
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3 years ago
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