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Nataliya [291]
3 years ago
15

HELP ME PLZ I NEED TO PASS

Physics
2 answers:
Varvara68 [4.7K]3 years ago
6 0

Answer:

50 newtons

Explanation:

subtract directions

ipn [44]3 years ago
5 0

Answer:

D. 50 N

Explanation:

The 2 forces of the cart will counteract each other because they are being pushed in opposite directions. The 150 N will counteract the 150 N on the other side. But since there's an extra 50 N on the left, it will push 50 N to the right. The 2 150 N will do nothing because they are pushing in opposite directions. For example, if two people are pushing something in the opposite direction with the exact same force, the pushed object won't move.

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If a CD player uses a 12-V battery and draws 2.0 amps of current, how much power does it use?
IgorC [24]

Answer:

The power is 24 watt .

Explanation:

Given that,

Voltage V= 12-V

Current I = 2.0 A

Using ohm's law

The current is directly proportional to the voltage.

In form of power,

The power is the product of the Current and voltage.

Formula of the power is defined as,

P = I\times V

P = 2.0\times12

P = 24\ watt

Hence, The power is 24 watt .

4 0
2 years ago
Explain the relationship between force, mass and acceleration in Newton's second law
Nikitich [7]

Newton's  second law of motion describes what happens to a body when an external  force is applied to it.

Newton's second law of motion states that the force acting on an object is equal to the mass of that object times its acceleration. In mathematical form this is written as

F = ma

Where F is force , m is mass and a is acceleration. The math or logic  behind this is that if  you double the force, you double the acceleration, but if you double the mass, you cut the acceleration in half.


7 0
3 years ago
The element chlorine is found in nature as a molecule that can be represented as - A. Cl.
poizon [28]
A
Cl is the chemical symbol for chlorine numbers after it are isotopes
5 0
3 years ago
The significant feature of a Cepheid variable is that there is a relationship between two intrinsic parameters, one of which can
Ghella [55]

Answer:

Period of brightness variation and luminosity.

Explanation:

The Cepheid variables are used as distance indicators. This requires estimation of periods and (usually) intensity-mean magnitudes in order to establish a period—apparent luminosity relation. It is particularly important for the techniques employed to be as accurate and efficient as possible.

5 0
2 years ago
WILL GIVE BRAINLIEST TO THE CORRECT ANSWER
LenKa [72]

Answer:

See the answers below.

Explanation:

We can solve both problems using Newton's second law, which tells us that the sum of forces on a body is equal to the product of mass by acceleration.

∑F =m*a

where:

F = force [N] (units of newtons)

m = mass = 1000 [kg]

a = acceleration = 3 [m/s²]

F = 1000*3\\F=3000[N]

And the weight of any body can be calculated by means of the mass product by gravitational acceleration.

W=m*g\\W=1000*9.81\\W=9810 [N]

4 0
3 years ago
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