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Arada [10]
3 years ago
7

The average speed of a car that travels 500 km in 5 hours is

Physics
1 answer:
ASHA 777 [7]3 years ago
5 0

Answer:

100km/h

Explanation:

500km/5 = 100km per hour

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A car travels along a straight road at a steady 40 MPH.Are the forces on the car balanced or unbalanced? Explain.
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They are balanced b/c the motion is constant
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Carbon Dioxide is used in photosynthesis is an example of which spheres interacting?
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During spring semester at MIT, residents of the parallel buildings of the East Campus dorms battle one another with large catapu
ella [17]

Answer:

The work done on the hose by the time the hose reaches its relaxed length is 776.16 Joules

Explanation:

The given spring constant of the of the spring, k = 88.0 N/m

The length by which the hose is stretched, x = 4.20 m

For the hose that obeys Hooke's law, and the principle of conservation of energy, the work done by the force from the hose is equal to the potential energy given to the hose

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P.E. = 1/2·k·x²

∴ The potential energy given to hose, P.E. = 1/2 × 88.0 N/m × (4.20 m)²

1/2 × 88.0 N/m × (4.20 m)² = 776.16 J

The work done on the hose = The potential energy given to hose, P.E. = 776.16 J

5 0
3 years ago
Calculate ine gravitational potential energy of the ball using pe=m×g×h.(use g=9.8 n/kg)
Neko [114]

Answer:

58.8J

Explanation:

Given parameters;

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Unknown:

Potential energy  = ?

Solution:

The potential energy of a body is the energy due to the position of the body.

It is mathematically expressed as:

  Potential energy = mass x acceleration due to gravity x height

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A large mass collides with a stationary, smaller mass. How will the masses behave if the collision is inelastic?
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Logically both masses will collide and well make a reaction. first of all depending on the small mass it will either merge or unite with the big mass or it will bounce away from it . if this happen it will make a reaction that will affect both masses. Hope this helps if it is incorrect please let me know :) 

3 0
3 years ago
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