Potential energy is to stored with in an object due to position and arrangement. Kinetic energy is to energy with in an object due its to movement with their motion.
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the answer is increases concentrations of solids.
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The length of the ship in terms of Emily's equal steps is 84.
The given parameters;
- <em>equal steps forward = 210</em>
- <em>equal steps backward = 42</em>
Defined parameters:
- <em>Let the constant velocity of the ship = V</em>
- <em>Let the velocity of Emily = Vs</em>
- <em>Let the </em><em>length </em><em>of the </em><em>ship </em><em>= </em><em>d</em>
- <em>Let the time of motion, = t</em>
The velocity of Emily when moving forward in the direction of the ship:
The velocity of Emily when moving in opposite direction to the ship:
The constant velocity of the ship:
Apply relative velocity formula to determine the length of the ship:
<em>For </em><em>forward </em><em>(same direction) motion:</em>
<em>For </em><em>backward </em><em>(opposite direction) motion</em>:
Thus, we can conclude that the length of the ship in terms of Emily's equal steps is 84.
<em>"Your question is not complete, it seems to be missing the following information;"</em>
Emily sees a ship traveling at a constant speed along a straight section of a river. She walks parallel to the riverbank at a uniform rate faster than the ship. She counts 210 equal steps walking from the back of the ship to the front. Walking in the opposite direction, she counts 42 steps of the same size from the front of the ship to the back. In terms of Emily's equal steps, what is the length of the ship
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<h3><u>Answer;</u></h3>
<em>4. Only some metals are attracted by magnets; these metals are called ferromagnetic.</em>
<h3><u>Explanation;</u></h3>
- <u><em>Magnets are those materials that have the ability of producing magnetic field.</em></u> Magnets attracts materials called magnetic materials and have no effect on non magnetic materials such as wood.
- <em><u>Magnetic materials are materials that are attracted by a magnet, these includes some metal such as iron and steel.</u></em> However some metals are non-magnetic materials, these include, gold, silver, and copper among others,
- Therefore,<em><u> it would be appropriate to say that only some metals are attracted by magnets; these metals are called ferromagnetic.</u></em>
Answer: 13.46 m/s
Explanation:
Initial velocity V1 = 5.82 m/s
acceleration A = 2.35m/s^2
Time taken T = 3.25s
Final velocity V2 = ?
Recall that acceleration is the rate of change of velocity per unit time i.e acceleration = (V2 - V1)/T
2.35m/s^2 = (V2 - 5.82 m/s) / 3.25s
cross multiply
2.35m/s^2 x 3.25s = (V2 - 5.82 m/s)
7.6375m/s = V2 - 5.82 m/s
V2 = 7.6375m/s + 5.82m/s
V2 = 13.46 m/s
Thus, the car final velocity is 13.46 m/s