Does the speed of a satellite in orbit depend on its mass? The speed of a satellite in circular orbit around a planet does not depend on the mass of the satellite. Do astronauts wear heavy boots? 2. You’ve seen films of the APOLLO astronauts walking around on the Moon, why didn’t they fall off? […]
Why is Earth tilted at 23.5 degrees and wobble?
Why is Earth tilted at 23.5 degrees and wobble? Its axis is tilted about 98 degrees, so its north pole is nearly on its equator. Astronomers suspect that this extreme tilt was caused by a collision with an Earth-sized planet billions of years ago, soon after Uranus formed. Earth’s axis appears stable, but it actually […]
Is NVM rude?
Is being fit the same as being healthy?
Is being fit the same as being healthy? Fitness involves activity of some sort that stimulates various systems of the body and maintains a certain condition within the body. Health, on the other hand, involves every system of the body and is only achieved through a lifestyle that supports health. Can you be fit and […]
How can gauge pressure be negative?
How can gauge pressure be negative? Gauge pressure is the amount of pressure expressed in terms of atmospheric pressure. It is referred to as “positive pressure” when it is greater than one atmosphere, and “negative pressure” when it is less than one atmosphere. What is the reading on the pressure gauge? The reading on a […]
What are the types of motors?
What are the types of motors? Types of Electric Motors 1). DC Shunt Motor. 2). Separately Excited Motor. 3). DC Series Motor. 4). PMDC Motor. 5). DC Compound Motor. 1). Synchronous Motor. 2). Induction Motor. 1). Stepper Motor. What is armature class 10th? Armature: It is a rectangular iron core wrapped by the copper coil […]
Which Aluminium foil is best?
Which Aluminium foil is best? Best seller. Freshwrapp Hindalco Aluminium Foil (Length 72 M, Width 30 Cm, Weight 821 G) by Freshwrapp. 568. Ezee Aluminium Foil for Kitchen| Perfect for Cooking, Baking and Packing Food – 72 Mtr 14 Micron. by Ezee. 395. ₹380. Freshwrapp Hindalco Aluminium Foil (6 Meter Pack) 33g + 17g (Pack […]
What are the advantages and disadvantages of microwave transmission?
What are the advantages and disadvantages of microwave transmission? Microwave Radio Communications Advantages & Disadvantages Advantage: Able to Transmit Large Quantities of Data. Advantage: Relatively Low Costs. Disadvantage: Solid Objects. Disadvantage: Subject to Electromagnetic and Other Interference. Which of the following is the main advantage of microwave? At microwave frequencies , there are better directive […]
How much heat does a refrigerator generate?
How much heat does a refrigerator generate? Cooling food requires a considerable amount of energy, which means that a refrigerator adds significantly to your monthly electric bill. According to electricity expert Michael Bluejay, the average refrigerator uses 488 BTUs per hour in normal use. What is the warmest part of a refrigerator? The front of […]
How Subduction zones are formed?
How Subduction zones are formed? A subduction zone forms when continental crust and oceanic crust collide. The continental crust is thicker and more buoyant than the oceanic crust so the oceanic crust subducts beneath the continental crust. Volcanoes associated with subduction zones generally have steep sides and erupt explosively. Why doesn’t Florida have as many […]