Category: Physics

What 3 types of EM waves are dangerous to humans? The most dangerous frequencies of electromagnetic energy are X-rays, gamma rays, ultraviolet light and microwaves. X-rays, gamma rays and UV light can damage living tissues, and microwaves can cook them. How long does it take for gamma rays to kill you? Most deaths occur within […]

Which of the following would be the best soil for gardening 2 points? Clay loam is considered to be the best soil for gardening as a result of the perfect balance of the soil particles. The loam part of the soil provides the organic nutrients which the plant need for healthy growth. What is the […]

What are the 4 types of skids? Driver Ed: Chapter 13 – Natural Laws and Risk Management A B Cornering Skid You lose steering control in a turn, and the car begins to skid Blowout Skid tire suddenly loses air pressure, and the car begins to skid. List the four different types of skids. Braking, […]

What is the mass of an object that weighs 1000 N? 1N=1kg⋅m/s2. Although almost the entire world uses the newton for the unit of force, in the United States, the most familiar unit of force is the pound (lb), where 1 N = 0.225 lb. Thus, a 225-lb person weighs 1000 N. What is the […]

What causes neon to glow? Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. A high potential of several thousand volts applied to the electrodes ionizes the gas in the tube, causing it to emit colored light. The color of the light depends on the gas […]

What is the line of symmetry on a graph? The axis or line of symmetry is an imaginary line that runs through the center of a line or shape creating two perfectly identical halves. In higher level mathematics, you will be asked to find the axis of symmetry of a parabola. This is a parabola, […]

What is the direction of the induced current in the circular loop of radius r? The direction of induced current in the circular loop will be clockwise or anti-clockwise depending upon the direction of current in the straight wire. The amount of induced current will be decided by the velocity with which the loop is […]

How do you solve Vo? To find the voltage at Vo, start at either end and add or subtract the voltage drop across the resistor. If we start at the 10V end: Vo = 10 – 3.58 = 6.42 V. If we start at the -2V end: Vo = -2 + 8.42 = 6.42 V. […]

What is differentiation strategy example? What is a differentiation strategy? As opposed to cost leadership, the differentiation strategy allows companies to take on an innovative approach for their products, and charge premium prices for it. For example, Starbucks goes beyond selling coffee by providing a unique coffee experience in their coffeehouses. What is the formula […]

How many pounds of nitrogen per acre are needed for corn? 250 pounds How much nitrogen do you put in a hay field? “Apply 50 to 60 pounds per acre of nitrogen on your best grass stands and 30 to 40 pounds per acre on the rest,” he recommends. Thomas suggests a similar amount of […]