A rollercoaster is in motion. Which of the following is NOT a force acting on the rollercoaster?

A. Gravity

B. Friction

C. Velocity

D. Air resistance

The tides are ... a renewable energy source a constant energy source an unreliable energy source which is the right statement

Select the correct answer. A sample of physical evidence was heated with dry cupric oxide. The issuing gas turned lime water milky. Which element does the physical evidence contain? A. oxygen B. hydrogen C. carbon D. bromine E. chlorine

Compare to a low wavelength sound wave, a high wavelength sound wave Select all that apply Group of answer choices travels slower has a smaller frequency travels at the same speed has a higher frequency travels faster has the same frequency

An unknown force is applied to a 12 kg. The force acts at an angle of 30 degrees above the horizontal.

Before using a string in a comparison, you can use either the To Upper method or the To Lower method to convert the string to upper case or lower case, respectively, and then use the converted string in the comparison. 1. True2. False

The list shows the results of six athletes competing in the long jump, which has a target distance of 20 feet.

Do action and reaction cancel each other out?

A weather balloon is inflated to a volume of 29.1 L at a pressure of 733 mmHg and a temperature of 24.7 ∘C. The balloon rises in the atmosphere to an altitude where the pressure is 365 mmHg and the temperature is - 14.5 ∘C.

A car traveled 112.0m in 24.500s, what was a car's average speed?

A rollercoaster is in motion. Which of the following is NOT a force acting on the rollercoaster? A. Gravity B. Friction C. Velocity D. Air resistance