Category: Physics

How is projectile motion used in real life? In real life, the projectile motion finds applications in sports. Playing basketball, football is examples of projectile motion in real life. While throwing a basketball into the basket, the player shoots the ball in such a way that the flight taken by the ball is in the […]

What causes seeds to not germinate? The primary reasons for failed germination are: Seeds get eaten – mice, voles, birds, and wireworms all eat seeds. Check to see that the seed is still in the soil. Seeds rot – planted too deeply, over-watered, or in cold weather, our untreated seeds may simply rot. What are […]

What did Pythagoras believe about the earth? An astronomical system positing that the Earth, Moon, Sun and planets revolve around an unseen “Central Fire” was developed in the 5th century BC and has been attributed to the Pythagorean philosopher Philolaus. Did Pythagoras go crazy? One of Pythagoras’ strangest obsessions with food was his relationship to […]

What are the forces on members AC and BD? Question: In The Truss Shown Below: What Are The Forces In Members AC And BD? AC = 11000 N [Tension] BD = 7850 N [Compression] AC = 11000 N [Tension] BD = 7850 N [Tension] AC = 11250 N [Tension] BD = 7906 N [Compression] AC […]

How do you figure out how much a trip will cost? What is the cost of a road trip? determine the number of miles you will travel (google maps provides a good ballpark figure) divide the number of miles by your car’s mpg (the number of miles you travel per gallon of gas) multiply that […]

Is 30 minutes of circuit training enough? Your body can definitely feel the metabolic burn within a humble 30 minutes of circuit training. According to Harvard Medical School, you can burn 240 calories in a half-hour of general circuit training if you weigh 125 pounds; 298 calories if you weigh 155 pounds; and 355 calories […]

What are signs of healthy eyes? What Your Eyes Say About Your Health 1 / 8. Sudden Blurry Vision. An abrupt and dramatic loss of vision may be a sign of a problem with the blood flow to your eye or your brain. 2 / 8. Bulging Eyes. 3 / 8. Blurred Vision. 4 / […]

What does not affect the pressure at a point beneath the surface of a liquid? Pressure within a liquid depends only on the density of the liquid, the acceleration due to gravity, and the depth within the liquid. How do you find pressure at the bottom of a tank? In the case of the water […]

What are the main factors of contact metamorphism? The main factors that control metamorphic processes are: The mineral composition of the parent rock. The temperature at which metamorphism takes place. The amount and type of pressure during metamorphism. The types of fluids (mostly water) that are present during metamorphism. The amount of time available for […]

What is 5dBi range? This antenna would typically replace standard 2dBi antennas, which are normally shipped with this class of wireless device, in order to increase the range and/or expand the coverage area. With this 5dBi antenna, theoretically a distance of about 500 meters can be covered. Why gain is measured in dB? In electronics, […]