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A plastic container holds 100 ml of liquid when filled to the top, and 98 ml of ethyl alcohol is placed in the container. The temperature of the system is initially 20oC. The coefficient of linear expansion of the plastic is 1.2x10-4 / K , and the coefficient of volume expansion of ethyl alcohol is 1.12x10-3 / K . At what temperature will the alcohol start to spill out of the container?
A bucket of mass 2.00 kg is whirled in a vertical circle of radius 1.10 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. Find the speed of the bucket
At the end of her routine, an ice skater spins through 8.00 revolutions with her arms always fully outstretched at right angles to her body.
A uniform 240 N ladder rests against a perfectly smooth wall, making a 40.0 angle with the wall. Find the normal forces that the wall on the ladder
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
A high fountain of water is located at the center of a circular pool, A student walks around the pool and estimates its circumference to be 196 m. How high is the fountain
A hydrogen molecule consists of two hydrogen atoms whose total mass is 5.3x10-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway among them, is about 1.96x10-46 kg· m2. Estimate, from these data, t..
an electron is shot at an initial speed of v0 = 2.00 × 106 m/s, at an angle ?0 = 35.0° from an x axis. It moves through a uniform electric field = (5.00 N/C), find the velocity of the electron when it hits the screen
Find the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17 kilometer and 43 kilometer from the source, Determine what is the ratio of the amplitudes
Give a symbolic expression for the change in reading of the scale.
A 58 kg gymnast does a vault. He is traveling at 5.6 m/s just before he lands. He comes to a stop in 0.08 s. What is the average net force acting on him during this time
Hurricane winds of 95 m/h are blowing over the flat roof of a well sealed house. What is the difference in air pressure between the inside and outside of the house
A chimp jumps up from a trampoline and lands on the ground, 1.2 meters below. the total time taken was .095 secons. what is the maximum height above the ground
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