Category: Physics

What type of muscle tissue contracts the fastest? Skeletal muscles are divided into two muscle fiber types: Slow-twitch (type I) muscle fibers contract more slowly and rely on aerobic metabolism. Fast-twitch (type II) muscle fibers contract more rapidly due to the presence of a faster myosin. Where is muscle tissue found in the body? Muscle […]

What is the normal intensity of sound? The Threshold of Hearing and the Decibel Scale Source Intensity Intensity Level Threshold of Hearing (TOH) 1*10-12 W/m2 0 dB Rustling Leaves 1*10-11 W/m2 10 dB Whisper 1*10-10 W/m2 20 dB Normal Conversation 1*10-6 W/m2 60 dB What is intensity level? Noun. 1. intensity level – the amount […]

What is position distance and displacement? Position and Displacement. Position is the location of the object (whether it’s a person, a ball, or a particle) at a given moment in time. Displacement is the difference in the object’s position from one time to another. Distance is the total amount the object has traveled in a […]

How do you start writing a summary? To write an effective summary, you have to ensure the following: To write a good summary, you should first read the text several times and decide what the main idea is. Begin the summary by acknowledging the source. Next, write a topic sentence that conveys the main idea […]

When your inside and outside mirrors are properly adjusted Which of the following is true? When you adjust your side mirrors, position your head straight ahead as it you were driving. When your mirrors are properly adjusted, which of the following is true? The rearview mirror will be adjusted allowing you to see as much […]

Why is The Grapes of Wrath a banned book? In fact, in many communities The Grapes of Wrath was banned and burned, both for its occasional obscene language and its general themes. What does the car symbolize in The Grapes of Wrath? The luxury car that runs over the dog, and the death of the […]

Can mass be lost in a chemical reaction? Mass is never lost or gained in chemical reactions. We say that mass is always conserved. In other words, the total mass of products at the end of the reaction is equal to the total mass of the reactants at the beginning. This is because no atoms […]

What ultrasonic frequency is harmful to humans? They were based on two basic assump- tions: (a) high audible frequencies (10–20 kHz) may cause annoyance, tinnitus, headache, fatigue and nausea and (b) ultrasound components (over 20 kHz) with high sound pressure level may cause hearing damage. Can ultrasound damage bones? According to the histologic and radiologic […]

What happens to sound waves when the source of a sound is moving toward you? When the source moves toward you it is still emitting a wave every 5 seconds but because the speed of sound is relatively constant and the moving source can not increase the speed of sound it causes an increase in […]

Who is real God in world? In monotheistic thought, God is conceived of as the supreme being, creator, and principal object of faith. God is usually conceived of as being omnipotent, omniscient, omnipresent and omnibenevolent as well as having an eternal and necessary existence. What are the 3 arguments for the existence of God? There […]