This theory suggests that for every big bang, there is a big crunch. 1. oscillating universe theory 2. inflation theory 3. steady state theory4. big bang theory

Austin and his friends are pushing a heavy box up a ramp. How can they increase the rate at which the box is moving?

Which step is not part of a normal convection cycle? A. A high-pressure system forms due to unequal heating. B. Warmed air rises away from the surface. C. Air flows from a high-pressure area to a low-pressure area. D.

If light travels 300,000 km/s how long does light reflected from mars take to reach earth when mars is 65,000,000 km away

A musical chord consists of several notes, each formed by a sound wave of a different frequency. The three graphs show the patterns of vibration along the basilar membrane for three different frequencies, high (top), medium (middle), and low

Which of the following are correct descriptions of heat flow? Check all that apply. A. Conduction is heat flowing when a liquid or gas carries the heat. B. Radiation is heat flowing in waves. C.

An object has an acceleration of 24 m/s/s. How long would it take the stationary object to reach a velocity of 6.8 m/s?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.