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Chemical and Engineering News, a publication of the American Chemical Society, has a feature called "What's That Stuff?" These articles give you a look at the chemicals behind everyday products both naturally occurring and man-made. Explore some of these articles by using the link provided in the weekly readings. Then select one and post a brief summary of the article. What did you learn from this exercise?
When an object is located very far away from a convex mirror, the image of the object is 19 cm behind the mirror. Determine where theimage is located when the object is placed 8.5 cm in front of the mirror.
Pulling a car from a ditch, To pull a car from a ditch, the driver ties one end of a rope to the car and the other to a tree 12.5 m away.
Say you have a 10 kg book sitting on a table. You pick that book upand place it 3 m below on the ground. what is the work done by gravity on the book
What angle does Fr make with the positive x axis? Express your answer in degrees to two significant figures. What is the magnitude of the block's acceleration vector, a?
Briefly, justify this claim, using the principle of conservation of energy.
Obtain the quadratic equation and the explicit analytical solution for N which is valid at all temperatures below the intrinsic temperature.
An object moves uniformly around a circular path of radius20.0 cm, making one completerevolution every 2.15 s. What is the translational speed of the object
A projectile is set 8000m horizontally from the edge of a bluff that drops 100m down from the level of projectile. Find the angle it makes when it hits the ground
When a man stands on a bathroom scale here on Earth, it reads 610 N . Assume each planet to be a perfect sphere with the following parameters.
A 4·kg cart is moving to the west at 7·m/s. What is the kinetic energy of the cart
A small ball with a mass of 4.12 g and a charge of 4.55 mC is located at a distance 77.9 cm above the ground in a uniform electric field of 11.5 N/C directed to the east. The ball is then released from rest. What is the speed of the ball after it ..
the virgo cluster contains about 1300 galaxies and is at a distance of 16 mpc. the galaxies have an rms velocity about
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