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ROCKET PROPULSION:
The motion of a rocket is an application of the law of conservation of momentum and Newton's 3rd law of motion. The gases ejected out from the combustion chamber of the rocket, move downward and gain a downward momentum and the rocket moves upward to balance the momentum of gases.
Roller Coaster G-Forces Roller coaster rides are infamous for forming accelerations and g-forces that are capable of transforming stomach contents within airborne projectiles.
RESISTANCE: An electric current is a flow of free electrons through a conductor. The size of current flowing through a conductor for a given applied voltage depends on: • T
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75km/hr. The child is 0.620km from shore and 0.755km upstream of a boat land
what is the tension in the string when the block is lifted at a steady speed when the weight weighs 4.5N and the distance is 90cm
Q. Movement of principal ray? In every case a principal ray moves from the head of the object to the plane of the lens. It passes through the plane of the lens as well as conti
How to solve problems based on movable pulleys in an atwood machine? Ans) 1.Draw the FBD. 2.Make the force equations for the two or more masses. 3.There will be a variable simi
Q. A small candle, 2.5 cm in size is placed at 27cm in front of a concave mirror of radius of curvature 36cm. At what distance from the mirror should a screen be placed in order t
Type 1 and type 2 superconductors: For one group of SUPERCONDUCTOR in which below H c is in the Meissner state, where it excludes all the magnetic flux from the interior of the
What is free fall acceleration? On earth free fall acceleration is 9.81 meters per second per second or 32.2 feet per second per second, not containing air resistance. Aroun
Define the ultrasonic welding applications. Ultrasonic Welding Applications Ultrasonic metal-welding is an advanced technical procedure for combining nonferrous metals, many
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