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netineya [11]
2 years ago
6

How many minutes will it take a car to go from a stop to 33 km/hr if it accelerates at 10 km/hr²

Physics
2 answers:
Ber [7]2 years ago
8 0

Answer:

33= 0+10 * t so t = 33 / 10 = 3.3 hrs

fomenos2 years ago
7 0

the answer is in the number 9.

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What type of compound forms Molecules?
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Elements that are made from only one type of atom

Explanation:

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, the relative velocity of each is greater than the individual velocity of either

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How many planets are there?
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When will an object sink in water, according to Archimedes' principle?​
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If the buoyant force is greater than the object's weight, the object will rise to the surface and float. If the buoyant force is less than the object's weight, the object will sink. If the buoyant force equals the object's weight, the object will remain suspended at that depth.

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Not much explaining to do here!

7 0
2 years ago
Emily holds a banana of mass m over the edge of a bridge of height h. She drops the banana and it falls to the river below. Use
bearhunter [10]

Answer:

The mass of the banana is m and it is at height h.

Applying the Law of Conservation of Energy

              Total Energy before fall = Total Energy after fall

                                E_{i}  = E_{f}

Here, total energy is the sum of kinetic energy and potential energy

K.E_{i} + P.E_{i} = K.E_{f} + P.E_{f}       (a)

When banana is at height h, it has

                 K.E_{i} = 0    and    P.E_{i} = mgh          

and when it reaches the river, it has

       K.E_{f}  = 1/2mv^{2}    and   P.E_{f}  = 0

Putting the values in equation (a)

                              0 + mgh = 1/2mv^{2} + 0

                                      mgh = 1/2mv^{2}

<em>cutting 'm' from both sides</em>

<em>                                           </em>gh = 1/2v^{2}

                                          v = \sqrt{2gh}

Hence, the velocity of banana before hitting the water is

                                          v = \sqrt{2gh}

5 0
2 years ago
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