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Sliva [168]
3 years ago
8

Corrosion is the tendency of a metal to revert back to its natural state.

Physics
1 answer:
algol133 years ago
3 0
Corrosion is the irreversible damage or destruction of living tissue or material due to a chemical or electrochemical reaction.
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If a car has a mass of 1,000 kilograms, and a velocity of 35 m/s. What is its momentum?
fenix001 [56]

\vec{p}=m\vec{v}\\p = 1000 * 35=35000[\frac{kg*m}{s}]

7 0
3 years ago
A 3.00 × 10^−9-coulomb test charge is placed near
viktelen [127]

Answer:

B

Explanation:

Given:-

- The charge of the test particle q = 3.0 * 10^-9 C

- The force exerted by the metal sphere F = 6.0 * 10^-5 N

Find:-

The magnitude and direction of the electric field strength at this location?

Solution:-

- The relationship between the electrostatic force F exerted by the metal sphere on the test-charge and the Electric Field strength E at the position of test charge is given by:  

                                       F = E*q

- Using the data given we can determine E:

                                       E = F / q

                                       E = (6.0 * 10^-5) / (3.0 * 10^-9)

                                       E = 20,000 N/C

- The direction of electric field is given by the net charge of the source ( metal sphere). The metal sphere is negative charge hence the direction of Electric Field strength E is directed towards the metal sphere.

8 0
3 years ago
Read 2 more answers
When a liquid has vapor pressure equal to atmospheric pressure, it?
Olenka [21]
When vapor pressure equals atmospheric pressure, it's called boiling point of that liquid.
5 0
3 years ago
Read 2 more answers
t or f if an object has a canstant acceleration it must ve changing velocity at the same rate over over again
Angelina_Jolie [31]
The answer to your question is True
7 0
3 years ago
A motion sensor emits sound, and detects an echo 0.0115 s after. A short time later, it again emits a sound, and hears an echo a
Mekhanik [1.2K]

Answer:

1.17 m

Explanation:

From the question,

s₁ = vt₁/2................ Equation 1

Where s₁ = distance of the reflecting object for the first echo, v = speed of the sound in air, t₁ = time to dectect the first echo.

Given: v = 343 m/s, t = 0.0115 s

Substitute into equation 1

s₁ = (343×0.0115)/2

s₁ = 1.97 m.

Similarly,

s₂ = vt₂/2.................. Equation 2

Where s₂ = distance of the reflecting object for the second echo, t₂ = Time taken to detect the second echo

Given: v = 343 m/s, t₂ = 0.0183 s

Substitute into equation 2

s₂ = (343×0.0183)/2

s₂ = 3.14 m

The distance moved by the reflecting object from s₁ to s₂ = s₂-s₁

s₂-s₁ =  (3.14-1.97) m = 1.17 m

7 0
3 years ago
Read 2 more answers
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