D 2. The rigidly connected 2-drum system (inner radius rı = 200 mm and outer radius r2 = 350 mm) rolls without slipping on the surface at point B. At the instant shown the center point A has a velocity of 0.15 m/s to the left and an acceleration of 0.4 m/s2 to the right. 12 A 0.4 m/s2 0.15...
Q3. (2 marks) At time = 0, a particle at point A travelling in a fluid would follow the path AB in the diagram below, but halfway between point A and B in its journey, the flow changes and the particle is directed to point Cinstead. a) The path that the particle actually travelled between A and C is called...
Four Cona wine the magnetic strech . Indicate where field point at in the center?
Consider the following case study and answer the questions below. An electric car is an automobile that uses electrical energy stored in batteries or another energy storage device that is propelled by one or more electric motors. Electric cars can significantly reduce air pollution, as they do not emit tailpipe pollutants and reduce in greenhouse gas and other emissions and...
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3. A square loop of wire has sides of length 12cm carries a current of 12A. A uniform magnetic field of 1.9T is oriented parallel to the plane of the loop. (a) What is the magnitude and direction of the magnetic force for the two sides that are parallel to the...
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B. Magnetostaties: The x-y plane contains an infinite current sheet with surface current density s8Is. Find the magnetic fleld H everywhere in space. Amperian Contour O00o y (a) Use the right-hand rule and make a "Ruestimate" for the magnetic field intensity H both above (z> 0) and below (z<0) this infinite current sheet. (b) Choose an Amperian...
Ex 2
Definition: A random variable X is said to have a binomial distribution and is referred to as a binomial random variable, if and only if its probability distribution is given by P(X-x)"C.pq" for x -0, 1,2,.., If X~B (n, p), then . E(X)= np and Var(X)=np(1-p) Notation for the above definition: n number of trials xnumber of success...
An object of mass ? = 2 kg that moves horizontally at a velocity 8 m / s enters a zone of length ? = 25 m where it experiences viscous friction numerically equal to one-tenth of its instantaneous speed; when leaving that zone it passes to another part where it only experiences the friction of Coulomb numerically equal to...
A 1000-kg car and a 2000-kg are to the same height. Raising the more massive car requires A) twice as much work B) more than four times as reach work. C) four times as much work. D) less work. E) as much work. At one instant are object in free fall is moving downward at 50 m/s. One second later...
a) What are the magnitude and direction of the electric intensity at a point 18 cm from a point charge of –50 µC? b) An oil drop has a net negative charge of –3e, representing an excess of three electrons. It remains at rest under the action of the force of gravity and the electric force when it is placed...