Where is lead storage battery used? Lead–acid batteries are used in emergency lighting and to power sump pumps in case of power failure. Traction (propulsion) batteries are used in golf carts and other battery electric vehicles. Which cathode is used in lead storage battery? lead dioxide Why lead is used in batteries? Lead-acid batteries, also […]
What is the cheapest roof style?
What is the cheapest roof style? For most homeowners, the best bet is choosing an affordable, yet durable roofing system. Clay. Clay roofing systems are very captivating, cheap roofing materials. Asphalt. Asphalt is the cheapest of all roofing materials in the market. Metal. A range of affordable metal roofing systems are now available in the […]
What is a pulley system in physics?
What is a pulley system in physics? Pulleys are mechanisms compost by wheel and rope used to lift heavy objects onto tall heights. They change the direction of an applied force and they can even reduce the force needed to lift a weight. Pulleys systems are common used in constructions. What is the tension formula? […]
How expensive is a Slinky?
How expensive is a Slinky? Slinky was introduced, the $10. price for three is not out-of-line. Who invented Slinky? Richard T. James What slinky means? 1 : characterized by slinking : stealthily quiet slinky movements. 2 : sleek and sinuous in movement or outline especially : following the lines of the figure in a gracefully […]
What is the amount of heat required to raise the temperature of 1 gram of water from 14.50 C to 15.50 C?
Do construction workers eat on beams?
Do construction workers eat on beams? The sight of 11 Rockefeller Center construction workers casually eating lunch across a beam hanging 850 feet in the air was a hopeful look at life in the ’30s. It showed the world that New York City—and America as a whole—was still building, still progressing, and, most importantly, still […]
What are the two theories of population?
What are the two theories of population? The theories are: 1. The Malthusian Theory of Population 2. The Optimum Theory of Population 3. The Theory of Demographic Transition. What are the three basic phases of population growth? They are: (i) the high stationary phase marked by high fertility and mortality rates; (ii) the early expanding […]
How many years does it take to be a clinical psychologist?
How many years does it take to be a clinical psychologist? To become a clinical psychologist, you will need an undergraduate degree (four to five years of college) plus a doctorate degree (four to seven years of graduate school). For this specialty area, most people will spend between eight to 12 years in higher education. […]
What happens when a ray of light strikes the surface of separation between the two media at right angle?
What happens when a ray of light strikes the surface of separation between the two media at right angle? What happens when a ray of light strikes the surface of separation between the two media at right angle? When light enters the boundary of two surfaces at right it passes normally without deviation. This is […]
Which kind of investigations allow for the control of variables?
Which kind of investigations allow for the control of variables? Answer Expert Verified An experimental investigation allows you to control the variables. Explanation: Experimental investigations include a method in which a “fair test” is created and variables are actively planned, managed, and measured in an attempt to gather testimony to confirm or negate a causal […]