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3 years ago

Work in pairs. Ask each other questions to fit the answers:

1 answer:

7 0

If youre looking for which is grammatically correct, B, but you said physics so... We need more details to answer the question, like what is the question.

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A pallet of bricks is to be suspended by attaching a rope to it and connecting the other end to a couple of heavy crates on the

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<h3>C.250 lb is the answer...</h3>

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3 years ago

What did johannes kepler contribute to the study of planets

Nana76 [90]

Johannes Kepler was a main stargazer of the Scientific Revolution known for detailing the Laws of Planetary Motion. A stargazer, obviously, is a man who contemplates the sun, stars, planets and different parts of room. Kepler was German and lived in the vicinity of 1571 and 1630.
Despite the fact that Kepler is best known for characterizing laws in regards to planetary movement, he made a few other striking commitments to science. He was the first to discover that refraction drives vision in the eye and that utilizing two eyes empowers profundity recognition.

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3 years ago

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a roller coaster has a speed of 16 m/s at a height 28 meters above the ground what is its speed at the top of the next hill whic

Tju [1.3M]

a una velocidad de

22 m/s, quien lo golpea y devuelve en la misma

dirección con una velocidad de 14 m/s. Si el

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de 0,03 s, ¿con qué fuerza golpeó la jugadora el

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21 Una bala de 0,8 g, está en la recámara de un rifl e

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3 years ago

a man of mass 50 kg on the top floor of skyscraper step into an elevator what is the max weight as the elevator moves downward

shtirl [24]

514.5 N is the answer

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3 years ago

Which has the most momentum?

boyakko [2]

Answer:

Both objects have the same magnitude of momentum.

Explanation:

If an object of mass $m$ is moving at a velocity of $v$ , the momentum of that object would be $m\, v$ .

The $100\; {\rm g}$ ( $0.1\; {\rm kg}$ ) object is moving at a speed of $1\; {\rm m\cdot s^{-1}}$ . The magnitude of the momentum of this object would be $0.1\; {\rm kg} \times 1\; {\rm m\cdot s^{-1}} = 0.1\; {\rm kg \cdot m \cdot s^{-1}}$ .

Similarly, the momentum of the $1\; {\rm g}$ ( $10^{-3}\; {\rm kg}$ ) object moving at a speed of $100\; {\rm m\cdot s^{-1}}$ would be $10^{-3}\; {\rm kg} \times 100\; {\rm m\cdot s^{-1}} = 0.1\; {\rm kg \cdot m \cdot s^{-1}}$ .

Hence, the magnitude of momentum is the same for the two objects.

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2 years ago