What is the fastest plane in the world 2020? The Lockheed SR-71 Blackbird is the fastest jet aircraft in the world, reaching speeds of Mach 3.3–that’s more than 3,500 kph (2,100 mph) and almost four times as fast as the average cruising speed of a commercial airliner. Key elements of the SR-71’s design made this […]
How do you correct the deviation of a compass?
How do you correct the deviation of a compass? Turn the compass over. Insert the metal key (provided with your compass) into the adjustment screw. Turn the key until the declination indicator is the correct number of degrees east or west of 0° (15.6 degrees West in this example). What can mess up a compass? […]
What is the mass on each planet?
What is the mass on each planet? Planetary Fact Sheet – Metric MERCURY EARTH Mass (1024kg) 0.330 5.97 Diameter (km) 4879 12,756 Density (kg/m3) 5427 5514 Gravity (m/s2) 3.7 9.8 How long do fart smells last? Though farts come out with varying velocities, we don’t typically smell them for about 10-15 seconds after letting them […]
Which state is not a physical state of matter?
What are the factors that affect the notched bar impact test?
What are the factors that affect the notched bar impact test? Factors Affecting Charpy Impact Energy Yield strength and ductility. Notches. Temperature and strain rate. Fracture mechanism. How can impact resistance be improved? To improve the impact resistance, manufacturers often use three ways to overcome it: Copolymer modification: It is modified during the synthesis of […]
What part of a plant leaves allows the plant to take in carbon dioxide and release oxygen?
What part of a plant leaves allows the plant to take in carbon dioxide and release oxygen? stomata What type of tissue do both plants and animals have? Organs are composed of tissues, which are in turn composed of cells. Plants have three tissue types: ground, dermal, and vascular. Animals have four: epithelial, connective, muscle, […]
What is the significance of RMS value?
What is the significance of RMS value? The RMS value is the effective value of a varying voltage or current. It is the equivalent steady DC (constant) value which gives the same effect. For example, a lamp connected to a 6V RMS AC supply will shine with the same brightness when connected to a steady […]
How do I protect myself as a delivery driver?
How do I protect myself as a delivery driver? Lock your doors and go to the nearest safe location and/or call the police. Be alert to suspicious persons loitering around the delivery address. Don’t flash money during transactions. Make sure your car is in good working order. What is the most important element of driving? […]
What are the salient features of groups?
What are the salient features of groups? 8 Important Features of a Group It consists of two or more persons who interact with each other. Group members have reciprocal influence on each other. In groups, people develop mutual perceptions and emotional ties with each other. What is group and its types? Groups largely define how […]
Who was the first person to study psychology?
Who was the first person to study psychology? Wilhelm Wundt opened the Institute for Experimental Psychology at the University of Leipzig in Germany in 1879. This was the first laboratory dedicated to psychology, and its opening is usually thought of as the beginning of modern psychology. Indeed, Wundt is often regarded as the father of […]