A Particle Moving with a Constant Acceleration Has a Velocity

question 27

Multiple Choice

A particle moving with a constant acceleration has a velocity of 20 cm/s when its position is x = 10 cm. Its position 7.0 s later is x = −30 cm. What is the acceleration of the particle?

• A) −7.3 cm/s²
• B) −8.9 cm/s²
• C) −11 cm/s²
• D) −15 cm/s²
• E) −13 cm/s²

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Definitions:

Melanoma

A type of skin cancer that develops from the pigment-producing cells known as melanocytes, often due to DNA damage caused by ultraviolet radiation.

Diameter

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Ordinary Mole

A common type of skin growth that often appears as a small, dark brown spot and is generally harmless.

Diameter

The length of a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.