Solids are usually more dense than: gases liquids plasmas all of the above

Waves combine to make a wave with larger amplitude in a process called a. destructive interference. b. constructive interference. c. reflection. d. refraction.

Which of the following pair of force can be added to give a resultant of 5 Newton? ans with reason 1• 2N and 8N 2• 3N and 10N 3• 2N and 6N 4• 10N and 20N

A plant produces its own food through the process of photosynthesis. Which of the following materials do plants need in order to perform photosynthesis? A water and carbon dioxide B nitrogen and salt C phosphorus and oxygen D lipids and oxygen

Which is the largest and most dense of the terrestrial planets? A. Mercury B. Venus C. Earth D. Mars

Which best describes friction int the context of newtons laws? 1. a kind of tape that holds things together 2. the force that opposes the relative motion of two objects in contact with and sliding past each other 3.

How many kilometers are in 14,000 centimeters

In later years, motors improved and could be run directly from a 60 Hz power supply. As a result, 25 Hz power systems shrank and disappeared.

Acceleration increases over time once a force is applied to the object. Given a force of 10.0 Newtons, which mass will have the greatest acceleration?

The transfer of energy between two objects by electromagnetic waves is called

What is the unit of k (spring constant) in SI system?