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4 years ago

Answer and I will give you brainiliest

Physics

1 answer:

Soloha48 [4]4 years ago

4 0

I would go with information gathered using the senses.

Inferring is using someone’s reasoning so that’s be most likely.

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6. A skier starts from rest at the top of a frictionless incline of height 20.0 m. At

n200080 [17]

Explanation:

a. KE at bottom = PE at top

½ mv² = mgh

v = √(2gh)

v = √(2 × 9.8 m/s² × 20.0 m)

v = 19.8 m/s

b. Work by friction = PE at top

mgμ d = mgh

d = h / μ

d = 20.0 m / 0.210

d = 95.2 m

6 0

3 years ago

The question is in the image

n200080 [17]

Answer:

the answer is A all the other ones do not even make sence or fit the situation. so A

Explanation:

4 0

3 years ago

Velocity-time graph worksheet?

liq [111]

Answer: yep

Explanation:

6 0

3 years ago

Read 2 more answers

After performing some calculations, your calculator gives you the following results. How will you round them before presenting t

umka2103 [35]

Answer:

⇒ 401.6 ± 7.1 ms

⇒ 57.2 ± 1.6 kg

⇒ 8.1 × 107 ± 2.9 × 105 m

⇒ 2.1 ± 8.8 µN

⇒ 294 ± 0.005 cm

Explanation:

As given all equation we do without calculation we will get here round these calculations which is given below as

a) 401.6473 ± 7.0912 ms

⇒ 401.6 ± 7.1 ms

b) 57.212 ± 1.612 kg

⇒ 57.2 ± 1.6 kg

c) 8.12754×107 ± 2.847×105 m

⇒ 8.1 × 107 ± 2.9 × 105 m

d) 2.94 ± 8.803 µN

⇒ 2.1 ± 8.8 µN

e) 294 ± 0.00481 cm

⇒ 294 ± 0.005 cm

6 0

3 years ago

In describing a vector, what must you describe besides the magnitude?

Anton [14]

Answer:

Direction

Explanation:

A vector is a geometrical representation of physical quantity. It has a particular direction with a specific magnitude.

In the geometry of space whether it is two dimensional or three dimensional the vector quantity has a specific direction. Such as a stone is thrown with a velocity in a particular direction.

The path of the stone in three-dimension shows its direction and speed is its magnitude.

Hence, the velocity of stone has two property magnitude mentioned as speed and particular direction.

On writing the mathematical expressions for vectors, it is denoted by arrow mark on its top as shown below.

$\vec{A}$

7 0

3 years ago