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A bottle made of ordinary glass has an internal volume of 1.0000 liter at 20.0 oC and contains 0.9920 liter of water at the same temperature. At what temperature ( inoC, enter deg in the answer box) will water begin to overflow the bottle?
An airplane, whose air speed is 380 km/hr, is supposed to fly in a straight line 23.0 degrees north of due east. A steady 100 km/hr is blowing from the north. Illustrate in what direction should the plane head realative to the earth?
Two railroad cars, each of mass 7850kg and traveling 85km/h in opposite directions, collide head-on and come to rest. How much thermal energy is produced in this collision
A roller coaster car traveling at a constant speed of 20.0 m/s on a level track comes to a straight incline with a constant slope, How far has the car traveled up the incline at this time
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
The speakers produce the same single-frequency tone in either drawing and are in phase. The speed of sound is 343 m/s. Find the single smallest frequency that would produce both constructive interference in drawing 1 and destructive interference in d..
Assume unpolarized light of intensity 197 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 37.0°. What is the light intensity reaching the photocell?
A balloon, which is negatively charged by rubbing,clings to a wall. why does the balloon eventually fall
The force vector A has a magnitude of 75.0 newtons (N) and points due east. The force vector B has a magnitude of 138 N and points 75.6 ° north of east. Find the (a) magnitude and (b) direction of A - B
You are trying to advance your shooting skills by shooting at a can on top of a fence post. You miss the can, and the bullet, moving at 207 m/s, is embedded 1.54 cm into the post when it comes to a stop. If constant acceleration is assumed, how long ..
In an electricity experiment, a 0.800g plastic ball is suspended on a 51.0cm long string and given an electric charge. what is the tension of the string
The electric field of a sinusoidal electromagnetic wave obeys the equation , find the amplitude of the electric field of this wave
What is relative velocity
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