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Question: An arctic weather balloon is filled with 10.2L of helium gas inside a prep shed. The temperature inside the shed is 9(deg)C. The balloon is then taken outside, where the temperature is -21(deg)C. Calculate the new volume of the balloon.
You have an open rgan pipe and a closed organ pipe. The fundamental frequency of the open pipe is 300hz. The closed piped third harmonic is the same frequency as the open pipe second harmonic. What is the length of each pipe.
A telescope was used as a testbed for evaluating adaptive optics systems. This telescope has a 3.58 meter primary mirror with a focal ration of f/2.2. What is the plate scale of this telescope
In the typical X-ray lamp. The electrons are accelearated in the potential difference of 10000V before hitting the water cooled electrode. Find the shortest wavelength of X-rays produced in this lamp.
A recently developed method to study brain function is to produce arapidly changing magnetic field within the brain. When thistechnique, known as TMS, is applied to the prefrontal cortex, forexample, it can reduce a person's ability to conjugate v..
Consider an RC circuit in which the capacitor is beingcharged by a battery connected in the circuit. what percentage of the final charge is present on the capacitor
A 0.156kg toy is undergoing SHM on the end of a horizontal spring with force constant 306 N/m. Find the maximum speed attained by the object during its motion
Calculate the electric force that exists between two objects that are 0.500m apart and carry charges of 0.00450C and 0.00240C. Is this force attractive or repulsive
A sprinter is just coming out of the starting block, and only one foot is touching the block. How large is the resultant of these forces
A 300g ball swings in a vertical circle at the end of a 1.3-m-long string. When the ball is at the bottom of the circle, the tension in the string is 12N
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C, What is the rate of heat transfer through the ice
Suppose one bullet with M=5.12g moving to the right with a speed of 250 m/s directed at 21.3 degrees above the horizontal collides, What is the magnitude of their common velocity immediately after the collision
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