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Define the Momentum and Impulse.Momentum, p, is a measure of a car's motion. p = m v where p is momentum in kg-m/s, m is mass in kilograms and v is the velocity of the car in m/s. If you have a VW Bug going 50 kph and a semi going at the same speed, which has more momentum? The semi does, of course: the more mass, the more momentum. What about a semi moving at 25 kph and one moving at 50 kph? The semi moving at 50 kph has more momentum. More speed also means more momentum.
Another way to express Newton's Second Law is: F = m aF = m Δv/ΔtF Δ t = m Δ vwhere F is the force vector (in Newtons), Δt is the time (in seconds) that the constant force is pushing, m is the mass (in kilograms) of the ball, and Δv is the change in the velocity vector (in m/s). This can also be writtenF Δ t = Δ pwhere F Δt is the impulse in N-s, and Δp is the change in momentum in kg-m/s.
Question: The resistance-per-length of the wire is wire's resistivity. Answer: Resistivity has units of ohms per meter therefore as regards wire it is certainly natur
What is an effect wheel? A disc of polycarbonate or metal revolving among the lamp and the common end along with holes, slits, patterns or colors.
How is sensitive flame method used for detection of ultrasonic waves? Sensitive flame method: A narrow sensitive flame is shifted along the medium. At the situations of anti
Write down the electromagnetic wave equation in free space, in terms of vector and scalar potential.
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84.1grams of He are compressed reversibly and isothermal at 100.0C from 28.0Litre to 7.37Litres. Calculate the the entropy change in joules/K.
Dual Nature of Light: As light is accepted as a form of waves as well as packets of photon. This nature of light is known as dual nature of light.
Theory of Light: Newton proposed 'Corpuscular Theory of Light'. 2. According to corpuscular theory, light consists of a stream of tiny, light and perfectly elastic particle
Relationship among current, voltage, Torque,speed,coil diameter,coil length of motor and if any of the above changes how other parameters get affected. Ans) The maximum torque h
Mention two salient features of immunity theory of ageing. Write the full form of ESR. What does the increase in ESR indicate?
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