Do babies need to wear life jackets on boats? Under California law, every child under 13 years of age on a moving recreational vessel of any length must wear a Coast Guard-approved life jacket in serviceable condition and of a type and size appropriate for the conditions and the activity. Does a throwable count as […]
How do you know which LED bulb is bad on Christmas lights?
How do you know which LED bulb is bad on Christmas lights? Simply bring the light tester close to each bulb. The tester’s indicator will light up when it’s near a functioning bulb. If you have a non-contact voltage detector, bring the detector close to the wire section between each bulb to test for voltage. […]
What impulse would be needed to stop a 1500 kg car traveling at 20 m s?
What are the 4 types of conservation?
What are the 4 types of conservation? Here is how you can play your part in helping the planet. Environmental Conservation. Environmental conservation refers to the environment being used in a way that is sustainable. Animal conservation. Marine Conservation. Human Conservation. What is an example of conservation? The definition of conservation is the act of […]
Is systole a contraction or relaxation?
Is systole a contraction or relaxation? Systole is the contraction phase of the cardiac cycle, and diastole is the relaxation phase. At a normal heart rate, one cardiac cycle lasts for 0.8 second. What is the normal BP at the age of 50? Table 5.1: Estimated Blood Pressure Ranges (mm Hg) Age Systolic Range Diastolic […]
What is the main treatment for cancer?
What is the main treatment for cancer? The most common treatments are surgery, chemotherapy, and radiation. Other options include targeted therapy, immunotherapy, laser, hormonal therapy, and others. Here is an overview of the different treatments for cancer and how they work. Surgery is a common treatment for many types of cancer. What is the most […]
Why electromagnetic wave can travel in vacuum?
Why electromagnetic wave can travel in vacuum? The propagation of electromagnetic waves either in a certain medium or in vacuum is due the the mutual changes between the electric and magnetic field. These variations in electric and magnetic fields fields lead to the transfer of the energy which is carried by the EM wave. What […]
Why are graduated cylinders not accurate?
Why are graduated cylinders not accurate? Similar to cylinders, beakers are graduated with volume measurements. In that case, why is a graduated cylinder more accurate than a beaker? The volume marks on a beaker are only approximate values, and therefore only provide whole numbers. What is a graduated cylinder is used to measure? Liquid volume […]
What is the meaning of Brownian motion?
What is the meaning of Brownian motion? Brownian motion, also called Brownian movement, any of various physical phenomena in which some quantity is constantly undergoing small, random fluctuations. It was named for the Scottish botanist Robert Brown, the first to study such fluctuations (1827). What term describes the random motion of molecules during diffusion? The […]
How would your present weight change if Earth had twice the mass that it does now?
How would your present weight change if Earth had twice the mass that it does now? Twice the mass means twice the acceleration due to gravity which will increase acceleration by the factor of 2 thus the weight will be double the time. What will happen if the Earth is bigger than the current size? […]