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Sedaia [141]
2 years ago
12

The SI base units have the dimensions of: Group of answer choices mass, weight, time length, density, time mass, length, time we

ight, length, time mass, length, speed
Physics
1 answer:
Nutka1998 [239]2 years ago
8 0

The SI base units have the dimensions of: length, mass and time.

<h3>What are SI base units?</h3>

The SI base units are the internationally accepted system of units of fundamental quantities.

These SI base units consist of system of units of measurement starting with seven base units, which are as follows:

  • second (s): the unit of time
  • metre (m): The unit of length kilogram (kg): the unit of mass
  • ampere (A): the unit of electric current
  • kelvin (K): the unit oftemperature
  • mole (mol.): the unit of amount of substance
  • candela (cd):the unit of luminous intensity

Learn more about SI base units

brainly.com/question/4950932

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Real-world examples of power
Paha777 [63]
By definition, power is the amount of energy consumed (or produced) in a second. (or more precisely, it is the rate of change in energy).
so anything which uses energy in a known time period can be labeled with a power rating.

an example for power could be a nuclear plant; traditional nuclear plants produce somewhat close to 1 giga watts (which means 1 giga joules in a second)


3 0
3 years ago
Starting from rest, a 2.1x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
nirvana33 [79]

Answer:

1.327363 m/s

0.00090243 m

Explanation:

u = Initial velocity

v = Final velocity

m = Mass of flea

Energy

E=\frac{1}{2}m(v^2-u^2)\\\Rightarrow 3.7\times 10^{-4}=2.1\times 10^{-4}(v^2-0)\\\Rightarrow v=\sqrt{\frac{3.7\times 10^{-4}}{2.1\times 10^{-4}}}\\\Rightarrow v=1.32736\ m/s

The velocity of the flea when leaving the ground is 1.327363 m/s

W=F\times s\\\Rightarrow s=\frac{W}{F}\\\Rightarrow s=\frac{3.7\times 10^{-4}}{0.41}\\\Rightarrow s=0.00090243\ m

The flea will travel 0.00090243 m upward

8 0
3 years ago
A bug splats against the windshield of a car traveling at high speeds down a backcountry road. Which statement correctly compare
zvonat [6]

Answer:

C. The bug's change in momentum is equal to the car's change in momentum.

Explanation:

As we know by Newton's 2nd law

F = \frac{\Delta P}{\Delta t}

here we have also know that when car hits the bug then force applied by wind shield on the bug is same as the force applied by the bug on the car's wind shield as per Newton's III law

F_{12} = F_{21}

so we know that

\frac{\Delta P_{12}}{\Delta t} = \frac{\Delta P_{21}}{\Delta t}

so we have

\Delta P_{12} = \Delta P_{21}

so correct answer will be

C. The bug's change in momentum is equal to the car's change in momentum.

6 0
3 years ago
Describe 2 characteristics of the neap tide. *
Mariana [72]

Answer:

Neap tides, which also occur twice a month, happen when the sun and moon are at right angles to each other. ... This occurs twice each month. The moon appears new (dark) when it is directly between the Earth and the sun. The moon appears full when the Earth is between the moon and the sun.

5 0
3 years ago
Which type of mixture could this illustration represent?
shepuryov [24]
No i took the test and the answer is actually homogenous mixture

4 0
3 years ago
Read 2 more answers
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