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Question: A wire loop of radius 0.50 m lies so that an external magnetic field of magnitude 0.30 T is perpendicular to the loop. The field reverses its direction, and its magnitude changes to 0.20 T in 2.0 s. Find the magnitude of the average induced emf in the loop during this time.
the label on a soft drink states 15.fl oz (444g) provides 220 kcal. The drink is cooled to 15degree Celsius before it's consumed. Find net energy content of drink
question a deep-space probe moves away from earth with a speed of 0.48 c. an antenna on the probe requires 2.4 s probe
A 650-kg car stopped at an intersection is rear-ended by a 1720-kg truck moving with a speed of 22 m/s. find the final speed of both vehicles after the collision
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. With what speed do the supplies land in the latter case
A uniform plank of length 5.9 m and weight 212 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 443 N walk on overhanging part of the plank before it just begins ..
A 20.0-kg mass is supported by two strings. The left string is 2.00 m long and the right string is 5.00 m long. What is the tension in the left side string
An object moving with uniform acceleration has a velocity of 10.0 cm/s in the positive x-direction when its x-coordinate is 3.09 cm. If its x-coordinate 3.05 s later is ?5.00 cm, what is its acceleration?
When a clock reads 5 seconds a cart's velocity in the positive x direction is 3 m/s. What is the magnitude (in m/s2) of the acceleration of the cart
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. What is the mass of the aluminum chunk
A body of mass 5kg is moved along a straight line and its displacement (x) varies with time(t) according to the relation : t= [(x)^(1/2) ] +1 Find the work done in moving the body for first 10 seconds
Three equal point charges, each with charge 1.95 , are placed at the vertices of an equilateral triangle whose sides are of length 0.400 . What is an electric potential energy of the system? (Take as zero the potential energy of the three charges ..
You need to produce a solenoid that has an inductance of 2.17 ?H. How long, in centimeters, should the tube be
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