Why does mass not affect pendulum period? The mass of a pendulum’s bob does not affect the period. As mass increases, so does the force on the pendulum, but acceleration remains the same. (It is due to the effect of gravity.) Because acceleration remains the same, so does the time over which the acceleration occurs. […]
What is non-probability sampling with examples?
What is non-probability sampling with examples? In non-probability sampling, the sample is selected based on non-random criteria, and not every member of the population has a chance of being included. Common non-probability sampling methods include convenience sampling, voluntary response sampling, purposive sampling, snowball sampling, and quota sampling. What is an example of a non random […]
What two language families are in China?
What two language families are in China? The two closely related language groups, Hmong and Mien (also known as Miao and Yao), are thought by some to be very remotely related to Sino-Tibetan; they are spoken in western China and northern mainland Southeast Asia and may well be of Austro-Tai stock. Who controls Tibet? People’s […]
What are the main types of star clusters?
What are the main types of star clusters? The three basic types of clusters astronomers have discovered are globular clusters, open clusters, and stellar associations. How do you determine a star cluster? By determining the mass of the main-sequence turnoff stars, we get the age of the cluster. The cluster age equals the main-sequence lifetime […]
Is Powerade better than Gatorade?
Is Powerade better than Gatorade? Powerade has more vitamins than Gatorade Neither has any fat or protein. However, Gatorade contains 10 more calories and slightly more sodium than Powerade per serving. On the other hand, Powerade packs more micronutrients, including magnesium, niacin, and vitamins B6 and B12, which play important roles in your body. Which […]
What is the 5 physical and mental benefits of dancing?
What is the 5 physical and mental benefits of dancing? Health benefits of dancing improved condition of your heart and lungs. increased muscular strength, endurance and motor fitness. increased aerobic fitness. improved muscle tone and strength. Is Dancing enough exercise? Dancing is a whole-body workout that’s actually fun. It’s good for your heart, it makes […]
Which of the following best describes regolith?
Which of the following best describes regolith? Regolith is defined as layer which is composed of heterogeneous, loose, uppermost deposits covering the solid rock. They complete different from soil. It includes dust, soil, broken rocks and other related material. What is the major distinction between internal and external earth processes? What is the major distinction […]
What are the 3 major parts of a seed?
What are the 3 major parts of a seed? The three primary parts of a seed are the embryo, endosperm, and seed coat. The embryo is the young multicellular organism before it emerges from the seed. The endosperm is a source of stored food, consisting primarily of starches. The seed coat consists of one or […]
What happens if a bit of placenta is left inside?
What happens if a bit of placenta is left inside? Sometimes the placenta or part of the placenta or membranes can remain in the womb, which is known as retained placenta. If this isn’t treated, it can cause life-threatening bleeding (known as primary postpartum haemorrhage), which is a rare complication in pregnancy. What happens if […]
How much nitrogen is in the air?
How much nitrogen is in the air? Air is mostly gas The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Why did oxygen levels decrease millions of years ago? Major mass extinction events at 450, 370, 250 and 200 million years ago corresponded with dramatic drops in […]