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Mrac [35]
4 years ago
7

Acceleration is defined as the change in velocity divided by

Physics
1 answer:
mihalych1998 [28]4 years ago
8 0

Answer:

change in time

Explanation:

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190 km = __m
USPshnik [31]

Answer:

190 000 m

Explanation:

1km = 1000m

--> 190 km = 190 x 1000 = 190 000 m

5 0
4 years ago
Transforme 0,4m em mm
rewona [7]
1m = 1000 mm

0,4m = 0,4 * 1000 = 400mm
3 0
3 years ago
A scientist studies the strengths of different types of wood, including oak and
AfilCa [17]

C

Explanation:

This is because the other variables in the other choices are relative to different observers and hence are not good to use in an experiment because there will be a lot of inherent bias by the person conducting the experiment For example how one person views how strong or beautiful the maple or oak looks may be different from how another person perceives the same.

However, weight is an absolute SI unit and does not vary from experiment to experiment. It is, therefore, a non-biased variable to use in the experiment and determine which wood between oak and maple can hold more weight.

4 0
4 years ago
What does it mean, "skeletal muscles do not act independently."
lesya [120]
Skeletal muscles must have help from the bone to be able to move.
3 0
3 years ago
Suppose you were marooned on a tropical island and had to use seawater (density 1.10 g·cm3) to make a primitive barometer. what
Paul [167]

We know that P = hρg

Where:

P - pressure Pa,

h - height in meter,

ρ – would be the density in kg / m^3; and

g - acceleration due to gravity is m / s^2


p = hρg if h = 0.735 meter, ρ = 13600 kg / meter^3, g = 10 meter/ sec^2

p = 0.735*13600*10 = 99960 Pa or 

P = 1 x 10^5 Pa



Now with sea water if we have to make a barometer:

ρ = 1100 kg / meter^3 (given) 

P = hρg if we put the value of P calculated and the value of ρ = 1100 kg / meter^3 given, we will 

get, 1 x 10^5 = h*1100*10


therefore, h = 9.09 meter or 29.82 feet of water.

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3 0
4 years ago
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