Question

When the velocity of an object increase the acceleration is _.

a. Negative
b. positive
c. zero
d. Newtral

answer please..​

Answer 1

Rayon, nylon, polyester, acrylic, and spandex are examples of synthetic fibres. Polyamides and polyesters are two groups of synthetic fibres with high strength, not easily stretched and used as textile. Nylon is an example of polyamide polymers. Terylene is an example of polyester polymers.

Answer 2

Answer:

Any change in the velocity of an object results in an acceleration: increasing speed (what people usually mean when they say acceleration), decreasing speed (also called deceleration or retardation ), or changing direction (called centripetal acceleration ).

Explanation:

option b is correct answer

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