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An object is placed 1.5m in front of a mirror and you see an inverted image that is half the object size. How far and in what direction should you move the object if you wish to view an upright image that is twice the object size?
An archer fires an arrow horizontally off of a ravine that is 65 meters wide, What is the magnitude of the velocity with which the arrow strikes the other side
A car traveling at 30 m/s runs out of gas while traveling up a 20° slope. How far up the hill will it coast before starting to roll back down
Using and Atwood machine with masses m1 and m2, at first with m1 a distance 2h above m2, what is the speed of either mass they pass each other? Make use of energy to solve (hint they cross halfway between the starting positions of the two masses).
How much work is done by the motor when the motor when the position of the arm is moved from x=0.150m to x=0.750m? what is the power of the motor in watts
A blue car of length 4.41 m is moving north on a roadway that intersects another perpendicular roadway (see figure below). The width of the intersection from near edge to far edge is 30.0 m.
A satellite with a mass of 310 kg moves in a circular orbit 3.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
A roller coaster moves 200 ft horizontally and then rises 135 ft at an angle of 30.0° above the horizontal. find the roller coaster's displacement from its starting point at the end of this movement
Two coherent sound waves have intensities of 0.030 W/m2 and 0.092 W/m2 where you are listening. If the waves interfere constructively, what is the intensity that you hear
If the wire is heated to 40.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
A uniform steel plate has an area of 0.905 m2. When subjected to a temperature difference between its sides, a heat current* of 22.5 kW is found to flow through it. What is the temperature gradient? What is the temperature difference when the plat..
An 8.0 kg block is released from rest, v1 = 0 m/s, on a rough incline, which has an angle of 40 from the horizontal. How much work gravity do on the block during this process
Four copper wires of equal length are connected in series. The cross sectional areas are 1 cm2, 2 cm2, 3 cm2, and 5 cm2, What is the voltage across the 2 cm2 wire in units of volt
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