Category: Physics

What force is required to lift a 50 N load with this pulley system? 1. What is the minimum force required to lift a 50-N load with one fixed pulley? . The minimum force required would be 50 N 2. In what places have you seen pulleys at work? Examples of pulleys include: Elevators use […]

Why is living near a convergent plate boundary dangerous? Answer. Convergent boundaries are more dangerous than divergent and transform fault boundaries due to the threat of a major earthquake, an explosive volcanic eruption, tsunamis or a mountain landslide. Do convergent boundaries cause volcanoes? If two tectonic plates collide, they form a convergent plate boundary. Usually, […]

What does the Eastern Orthodox Church believe? Essentially the Orthodox Church shares much with the other Christian Churches in the belief that God revealed himself in Jesus Christ, and a belief in the incarnation of Christ, his crucifixion and resurrection. The Orthodox Church differs substantially in the way of life and worship. What is the […]

What is the chemical formula of carbon dioxide? CO2 What are three physical properties of carbon dioxide? Carbon dioxide appears as a colorless odorless gas at atmospheric temperatures and pressures. Relatively nontoxic and noncombustible. Heavier than air and may asphyxiate by the displacement of air. Soluble in water. Is carbon dioxide important for life? Carbon […]

How early did humans make fire? 1.5 million years ago How was meat eaten before fire? The first evidence of controlled use of fire is from about 2 million years ago, so we’ve probably been cooking meat for a long, long time. Before that, our ancestors ate the meat they could get raw, like all […]

How many types of ingestion are there? It is the consumption of food or drinks into the digestive system. There are two mechanical aspects associated with ingesting food, namely – chewing and swallowing. Nonetheless, due to the differences in the anatomy of different organisms, the mechanism of ingestion tends to differ. What is animal ingestion? […]

How are humans affected by the biogeochemical cycles? Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate. What is an example of cycling matter? […]

What is total energy formula? Equations Equation Meaning in words E m = K + U E_\text m = K +U Em=K+U The total mechanical energy of a system is the sum of the total kinetic energy and total potential energy. What is the formula to calculate time? To solve for time use the formula […]

How heavy should my bat be? Choosing the Correct Weight Youth Bat: Weigh Him/Her In general: Children under 60 pounds should swing a bat between 26 and 29 inches long. Children weighing more than 70 pounds should swing a bat ranging from 28 to 32 inches long. What size bat should a 10 year old […]

Can I take sinus medicine with Zoloft? Interactions between your drugs No interactions were found between Tylenol Sinus + Headache Day and Zoloft. This does not necessarily mean no interactions exist. Always consult your healthcare provider. Is it safe to take cold medicine with Zoloft? Can You Combine Antidepressants & Cold Medicine? The short answer […]