The number of cycles of a periodic process that occur per unit time is called the period

Indicate whether the statement is true or false


F

Physics & Space Science

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A 10.0-g bouncy ball is confined in a 8.3-cm-long box (an infinite well). If we model the ball as a point particle, what is the minimum kinetic energy of the ball? (h = 6.626 × 10-34 J ? s)

A) 8.0 × 10-64 J B) 3.2 × 10-46 J C) 1.3 × 10-20 J D) zero

Physics & Space Science

Simple molecules containing only carbon and hydrogen are referred to as

A) carbon hydrides B) hydrocarbons C) carbohydrides D) hydrogen carbides

Physics & Space Science

What source of energy might keep water beneath the surface of Enceladus liquid?

A) tidal heating only B) radioactive decay only C) tidal heating and radioactive decay D) heat released from a partially molten core

Physics & Space Science

Three point charges, two positive and one negative, each having a magnitude of 20 ?C are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on one of the positive charges?

a. 69 N b. 40 N c. 80 N d. 57 N e. 20 N

Physics & Space Science