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3 years ago

Hi, Please help me with the 2 questions, will mark and 5 stars and THANKS

Physics

2 answers:

Anit [1.1K]3 years ago

7 0

Both answers are going to be C

BlackZzzverrR [31]3 years ago

4 0

Answer: C and C

Explanation: C since both parents contribute 50% of genetic information

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There is a single electron at a distance from the point charge. On which of the following quantities does the force on the elect

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Answer:

The following situations apply: A, B, D.

Explanation:

The following situations apply: A, B, D.

1.) The electric force on the electron depends on A because E= F/q and thus, F=kqq_o/r^2 Ta. As you can see, the electric force depends on r^2, which is the distance between the positive charge and the negative charge, squared.

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7.) For G, no.

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An 80-kg bungee jumper jumps off a bridge. Rubber bungee cords act as a large spring attaching the jumper to the bridge. A bear

inysia [295]

Answer:

The force is $F_b = 216 \ N$

Explanation:

From the question we are told that

The mass of the bungee jumper is m = 80 kg

The spring constant is $k = 20 \ N/ m$

The extension of the rubber bungee cords is x = 50 m

Generally the weight of the jumper is

$W = m * g$

=> $W = 80 * 9.8$

=> tex]W = 784 \ N [/tex]

Generally the returning force of the rubber bungee cords is mathematically represented as

$F = k * x$

=> $F = 20 * 50$

=> $F = 1000 \ N$

The force to be applied by the bear is

$F_b = F - W$

=> $F_b = 100 - 784$

=> $F_b = 216 \ N$

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3 years ago