Scientists use models to
a) increase the duration of a volcanic eruption
b) change the location of a volcanic eruption
c) predict the damages due to an earthquake
d) stop the occurrence of tsunamis due to an earthquake

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?