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Block Awith a mass of 10kg, rests on 30 degree incline.The coefficient of kinetic friction is 0.20. The attached string is parallel to the incline and passes over masskess frictionless pulley on top. Block B with mass of 3.0kg is attached to the dangling end of the string.
Express the weight of Block A as a som of x and y components with the possitive x axis going up the slope. Use unit vector notation
you have a 2.09-m-long stretched string with a mass of 19.1 g. when you oscillate the string at 440 hz which is the
A converging lens has a focal length of f = 43 cm for blue light and f = 53 cm for red light. An object is placed 140 cm in front of the lens and is illuminated with white light. Chromatic aberration causes the image formed with blue light to be a..
A bullet of mass 4.3 g is fired horizontally into a 8.60 kg wooden block at rest on horizontal surface. The coefficient of kinetic friction between block and surface is 0.13.
a 4.5kg ham is thrown into a stationary 15-kg shopping cart.at what speed will the cart travel if the ham had an initial speed of 2.2m/s, how long did the collision between the two last
A narrow beam of light from a laser travels through air (n = 1.00) and strikes the surface of the water (n = 1.33) in a lake at point A. If refraction did not occur, how far away from point B would the laser beam strike the lake bottom
A Ping-Pong ball with mass 6 g is attached by a thread to the bottom of a beaker. When the beaker is filled with water so that the ball is totally submerged, Determine the diameter of the ball
A planet orbits the sun with a period of 14 years? How far is the planet from the sun
Describe a matched pairs design to answer this question. Be sure to include proper blinding of your subjects. What is your response variable going to be?
An AC generator has 70 rectangular loops on its armature. Each loopis 15 cm long and 8 cm wide. The armature rotates at 1500 rpm aboutan axis parallel to the long side. I
An airplane with a speed of 87.7 m/s is climbing upward at an angle of 35.1 ° with respect to the horizontal. When the plane's altitude is 533 m, the pilot releases a package.
A 1.5--tall object is 18 in front of a concave mirror that has a 60 focal length. Calculate the position of the image. Calculate the height of the image
A boy scout starts a fire by using a lensfrom his eyeglasses to focus sunlight on kindling 5.6 cm from the lens. What is the magnification when the eye is relaxed
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