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A piece of ice (originally at 0C) is added to a Styrofoam cup (of negligible mass) containing 120 gram of room temperature (20.C) water at the same time that an aluminum block of mass 18.5 gram, originally at 100.0C, is also added.. The temperature of the water does not change. Estimate the mass of the piece of ice.
A man seeking to set a world record wants to tow a 104000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. find the greatest acceleration the man can give the airplane
a compute the order of magnitude of the mass of a bathtub half full of water. bathtub. assume the tub measures 1.3 m by
If the polar coordinates of the point ( x , y ) are ( r , ? ), determine the polar coordinates for the following points
you have encouraged your little sister, who has just gotten glasses for her severe near-sightedness, to give you those glasses so you can play with them. If your sister's face is 180. mm-tall, how tall will it appear to be in the image (in mm)
A 12-V battery is connected in series with a switch, 6.0-ohms resistor and coil. What energy is stored in the coil when the current is 2.0 A
A 77 person stands on the uniform ladder 4.0 long, that weighs 100. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only the normal force.
Calculate the force required to move an object.
q1. a long straight wire is in the plane of the page and carries a current of a. point p is also in a plane of the page
A diverging lens with a focal length of -48.0cm forms a virtual image 8.50mm tall, 16.5cm to the right of the lens. Determine the position of the object
A uniform flat plate of metal is situated in the x-y plane withpoints: A(1,5), B(1,0), and C(6,0). Calculate the x coordinate of the center of mass of the metalplate.
A particular engine has a power output of 6.00 kW and an efficiency of 21.0%. Assume the engineexpels 8500 J of energy in each cycle. Find the time required to complete each cycle
A person walks into a room that has, on opposite walls, two plane mirrors producing multiple images. Find the distances from theperson to the first three images seen in the left-hand mirror, whenthe person is 5.00 ft from the mirror on the left wall ..
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