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Anastaziya [24]
3 years ago
15

A 10,000 kg traveling 15m/s strikes a second car which is at rest (not moving). The two stick together and move off with speed o

f 4.0 m/s Which type of collision is this?
Physics
1 answer:
Umnica [9.8K]3 years ago
6 0

Answer:

inelastic collision

Explanation:

An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved due to the action of internal friction. In collisions of macroscopic bodies, some kinetic energy is turned into vibrational energy of the atoms, causing a heating effect, and the bodies are deformed

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Answer:

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Explanation:

When a wave crosses a boundary between different materials, the speed of the wave and its wavelength changes.When passing from air to water the two properties (speed and wavelength) decreases, and the wave is observed to change direction as it crosses the boundary between the two material.The bending of the wave is called refraction.

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7. A beam of light converges at a point P. Now a lens is placed in the path of the convergent
Rudiy27

Answer:

Lens at a distance = 7.5 cm

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Explanation:

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Lens at a distance = 6.86 cm  (Approx)

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