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vodomira [7]
3 years ago
15

Give an example in which there are clear distinctions among distance traveled, displacement, and magnitude of displacement. spec

ifically identify each quantity in your example.

Physics
1 answer:
katrin [286]3 years ago
7 0
The example I've given is shown as an illustration in the picture. Suppose a jogger covers 2 km as he heads to the east. Then, he heads up north for another 1.5 km. Now, if you are to find the distance, you simply have to take the sum.

Distance = 2 + 1.5 = 3.5 km

If you are to find the displacement, you find the distance from the starting point to the end point, represented by the red arrow. Using the pythagorean theorem,

Displacement = √(2 km)² + (1.5 km)² = 2.5 km

If you are to find the magnitude of displacement, this is equivalent to distance. So, it is equal to 3.5 km. The displacement is a vector quantity, which presents the magnitude and the direction. The magnitude of the displacement does not take into account the direction of motion, just the total distance covered.

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A machine is classified as a compound machine when ___.
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Answer: it is made up two or more simple machines

Explanation: Brainliest Please!!!!

6 0
2 years ago
The acceleration due to gravity at the north pole of Neptune is approximately 10.7m/s2. Neptune has mass 1026kg and radius 25000
Scilla [17]

Answer:

(A) Force on the object will be 58.85 N

(B) Apparent weight will be equal to 57.21 N

Explanation:

We have given mass of Neptune m = 1026 kg

Radius R = 25000 Km

Time period = 16 hour

We know that 1 hour = 3600 sec

So 16 hour = 16×86400 = 57600 sec

Acceleration due to gravity at north pole of Neptune g=10.7m/sec^2

(A) Mass of the object m = 5.5 kg

So gravitational force on the object F_g=mg=5.5\times 10.7=58.85N

(B) Velocity will be equal to v=\frac{2\pi R}{T}=\frac{2\times 3.14\times25000\times 1000}{57600}=2725.694m/sec

Apparent weight of the object will be equal to w=f_g-\frac{mv^2}{r}

W=58.85-\frac{5.5\times (2725.694)^2}{25000\times 1000}=57.21N

7 0
3 years ago
two forces are acting on a wheelbarrow. One force is pushing to the right and an equal force is pushing to the left. What can yo
ICE Princess25 [194]
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Read 2 more answers
Will the electric field strength between two parallel conducting plates exceed the breakdown strength for air ( 3.0×106V/m ) if
xxMikexx [17]

(a) The electric field strength between two parallel conducting plates does not exceed the breakdown strength for air (3 \times 10^{6} V / m)

(b) The plates can be close together to 1.7 mm with this applied voltage

<u>Explanation:</u>

Given data:

Dielectric strength of air = 3 \times 10^{6} V / m

Distance between the plates = 2.00 mm = 2.00 \times 10^{-3} \mathrm{m}

Potential difference, V = 5.0 \times 10^{3} V

We need to find

a) whether the electric field strength between two parallel conducting plates exceed the breakdown strength for air or not

b) the minimum distance at which the plates can be close together with this applied voltage.

The voltage difference (V) between two points would be equal to the product of electric field (E) and distance separation (d). The equation form is and apply all given value,

         E=\frac{V}{d}=\frac{5.0 \times 10^{3}}{2.00 \times 10^{-3}}=2.5 \times 10^{6} \mathrm{V} / \mathrm{m}

From the above, concluding that The electric field strength between two parallel conducting plates (2.5 \times 10^{6} \mathrm{V} / \mathrm{m}) does not exceed the breakdown strength for air (3 \times 10^{6} V / m)

b) To find how close together can the plates be with this applied voltage:

The formula would be,

            d_{\min }=\frac{V}{E_{\max }}

Apply all known values, we get

      d_{\min }=\frac{5.0 \times 10^{3}}{3 \times 10^{6}}=1.7 \times 10^{-3} \mathrm{m}=1.7 \mathrm{mm}

3 0
3 years ago
Which of the following describes what occurs when energy is transferred and work is being done on an object?
Katarina [22]
<span>The object moves.. since by definition, work is done when a force is applied and a displacement is produced. It is not D because by rule of physics, the amount of work done is equal to the energy gained, always.</span>
5 0
3 years ago
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