A 150-Kg Crate,initially at Rest,slides Down a Ramp 4

question 61

Multiple Choice

A 15.0-kg crate,initially at rest,slides down a ramp 4.0 m long and inclined at an angle of 20° with the horizontal.If there is no friction between ramp surface and crate,what is the kinetic energy of the crate at the bottom of the ramp? (g = 9.8 m/s²)

• A) 200 J
• B) 690 J
• C) 10 J
• D) 100 J

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Definitions:

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The rhythmic tightening and relaxing of the uterine muscles, occurring most frequently during childbirth.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste products from the baby's blood.

Umbilical Cord

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