The temperature is cold if

A pendulum completes 30 cycles every minute. What is the frequency of the pendulum

What is latent heat?

The Sears Tower vibrates back and forth, it makes about 8.6 vibrations in 60 seconds. Determine the frequency and the period of vibration of the Sears Tower.

Twenty percent of american households own three or more cars. a random sample of 144 american households is selected. let x be the number of households selected that own three or more cars.

The circumference of a circle is 60π cm. What is the length of an arc of 140°?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.

What object or class of objects makes up most of the solar systemâs mass?

Carole is very tired and makes coffee. why would newton say that she must use her hand to put up the cup

Rapid gas exchange can be accomplished more easily in air than in water because A. the O2 content of water is higher than that of air B. O2 diffuses more rapidly in water than air C. water is more dense and viscous D.

Which electron transition between the energy levels of hydrogen causes the emission of a photon of visible light?