3 years ago

Which shows the conversion of 2.09 × 10-4 meters to millimeters?

Physics

1 answer:

Ivenika [448]3 years ago

4 0

I think its A I hope this help thank you!!

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When you are moving up at a constant speed in an elevator, there are two forces acting on you: the floor pushing up on you (F1)

WARRIOR [948]

Answer:

F₁ = F₂

Explanation:

Given that

floor pushing up on you by force F₁

gravity pulling down by force F₂

From second law of Newton's

F₁ - F₂ = m a

But here given that ,elevator is moving with constant speed .It means that acceleration of the elevator is zero.

a= 0 m/s²

F₁ - F₂ = m x 0

F₁ = F₂

6 0

2 years ago

Can you help

Kryger [21]

Answer:

Explanation:

1) Is option C, Radiocarbon

2) i think is option A, true.

3) im pretty sure is option B, false.

i hope i helped :)

7 0

3 years ago

A basketball is tossed upwards with a speed of 5.0 m/s. We can ignore air resistance. What is the maximum height reached by the

strojnjashka [21]

Answer:

the maximum height is 1.276 meters

4 0

2 years ago

A plane flies from base camp to lake a, 200 km away in the direction 20.0° north of east. after dropping off supplies it flies t

Liono4ka [1.6K]

Distance of lake a is 200 km at 20 degree north of east

distance between lake a and b is 230 km at 30 degree west of north

now the distance between base and lake b is given as

$d = d_1 + d_2$

given that

$d_1 = 200 cos20 i + 200 sin20 j$

$d_1 = 187.94 i + 68.4 j$

$d_2 = -230 sin30 i + 230 cos30 j$

$d_2 = -115 i + 199.2 j$

now the total distance is

$d = (187.94 - 115)i + (199.2 + 68.4)j$

$d = 72.94 i + 267.6 j$

now the magnitude of the distance is given as

$d = \sqrt{72.94^2 + 267.6^2}$

$d = 277.4$

also the direction is given as

$\theta = tan^{-1}\frac{267.6}{72.94}$

$\theta = 74.7 degree$

<em>so it is 277.4 km at 74.7 degree North of East</em>

8 0

2 years ago

I need help, please!

marta [7]

NO. it is not balanced

7 0

2 years ago