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SVEN [57.7K]
3 years ago
5

. What will happen if there is an oil spill in the Arctic Ocean based on the statements above? A) The Atlantic and Southern Ocea

ns are in danger form the spill. B) Only the Atlantic Ocean might suffer contamination from that spill. C) Ocean currents can carry the oil to various locations throughout the world. D) The Arctic Ocean is separated from the other four oceans so contamination would not occur.
Physics
2 answers:
Daniel [21]3 years ago
8 0

Answer:   a

Explanation:

ohaa [14]3 years ago
6 0

Answer: the answer is a.

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Amotor supplied by 240V requires 12A to lift a 2000 lb at a rate of 25 ft/min, me power input to the motor is-
tensa zangetsu [6.8K]

Answer:

Power input, P = 2880 watts

Explanation:

It is given that,

Voltage of the motor, V = 240 V

Current required, I = 12 A

Weight lifted, W = 2000 lb

It is lifting at a speed of 25 ft/min. We need to find the power input to the motor. The product of current and voltage is called power input of the motor.

P=I\times V

P=12\ A\times 240\ V

P = 2880 watts

So, the power input of the motor is 2880 watts. Hence, this is the required solution.

4 0
3 years ago
When you whirl a can at the end of a string in a circular path, what is the direction of the force that acts on the can
andreyandreev [35.5K]

Answer:

Toward the centre of the circular path

Explanation:

The can is moved in a circular path: this means that it is moving by circular motion (uniform circular motion if its tangential speed is constant).

In order to keep a circular motion, an object must have a force that pushes it towards the centre of the circular trajectory: this force is called centripetal force, and its magnitude is given by

F=m\frac{v^2}{r}

where m is the mass of the object, v its tangential speed, r the radius of the trajectory. This force always points towards the centre of the circular path.

3 0
3 years ago
What colors are in a 24 pack of crayola crayons?
Xelga [282]
Blue puprle white gold organs yellow red gray brown green pink black tan light blue
3 0
3 years ago
What is the density of a block with a mass of 36 g and a volume of 9 cm3?.
pshichka [43]
Density= how much mass is in a certain volume 
Therefore, you do (mass/volume).
density of the block is
36g/9cm3
or
4g/cm3
Meaning that there is 4 grams of mass in each cm3.
3 0
3 years ago
Read 2 more answers
Here we will calculate the work per unit charge on an electron moving between two potentials. A 9.0 V battery is connected acros
Svet_ta [14]

Answer:

2000 V/m

1778021.69323 m/s

Explanation:

V = Voltage = 9 V = \Delta V

q = Charge of proton = 1.6\times 10^{-19}\ C

m = Mass of electron = 9.11\times 10^{-31}\ kg

v = Velocity of electron

Electric field is given by

E=\dfrac{V}{d}\\\Rightarrow E=\dfrac{9}{4.5\times 10^{-3}}\\\Rightarrow E=2000\ V/m

The electric field is 2000 V/m

Here, the energy of the system is conserved

\dfrac{1}{2}mv^2=q\Delta V\\\Rightarrow v=\sqrt{\dfrac{2q\Delta V}{m}}\\\Rightarrow v=\sqrt{\dfrac{2\times 1.6\times 10^{-19}\times 9}{9.11\times 10^{-31}}}\\\Rightarrow v=1778021.69323\ m/s

The velocity of the electron is 1778021.69323 m/s

4 0
3 years ago
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