How does friction affect total mechanical energy? Mechanical energy is reduced due to friction and converted to heat. This is the reason why there is an increase in temperature in objects that move against each other. The role of friction in a closed system is to convert a part of the total energy to heat. […]
What are the 5 critical thinking questions?
What are the 5 critical thinking questions? I want to share five important questions that I learned, that each of us can ask in order to exercise our critical thinking skills….The questions are as follows: What are the issue and the conclusion? What are the reasons? What are the assumptions? Are there any fallacies in […]
Is pumice toxic?
Is pumice toxic? Pumice is an excellent filler. It is non-crystalline by nature, non-toxic and non-hazardous. What can I do with leftover lava rocks? 4 Uses for Lava Rock BBQ. Lave rock is used in gas barbecues. Landscape. Lava rock can make effective landscaping in a flower bed or border. Aquarium. Lave rock is often […]
Why is the tundra worth saving?
Why is the tundra worth saving? Why is the Tundra important to protect? The tundra is important to protect because it acts as a carbon sink by absorbing carbon dioxide from the environment and helping to counteract the detrimental effects of carbon emissions. Where are tundras found? The tundra is a treeless polar desert found […]
How far does the tip of the minute hand of a clock move in 20 minutes if the hand is 5 inches long?
How do I know if my photo tube is bad?
What motion is illustrated by a ball thrown horizontally?
What motion is illustrated by a ball thrown horizontally? Objects experiencing projectile motion have a constant velocity in the horizontal direction, and a constantly changing velocity in the vertical direction. The trajectory resulting from this combination always has the shape of a parabola. What are the standard assumptions we make for horizontally launched projectiles? Assumptions […]
What are the three main physical properties of sound waves?
What are the three main physical properties of sound waves? Sound waves are changes in pressure generated by vibrating molecules. The physical characteristics of sound waves influence the three psychological features of sound: loudness, pitch, and timbre. Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived. […]
Can you buy a cell phone jammer?
What is the amount of matter called?
What is the amount of matter called? Mass is a measure of the amount of matter in a substance or an object. What gives us mass? The strong force and you The Higgs field gives mass to fundamental particles—the electrons, quarks and other building blocks that cannot be broken into smaller parts. The energy of […]