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If one vibration has 5.4 times the energy of a second, but their frequencies and masses are the same, what is the ratio of their amplitudes?
The potential difference between two parallel conducting plates in vacuum is 475 V. An alpha particle with mass of 6.50×10-27 kg and charge of 3.20×10-19 C is released from rest near the positive plate. What is the kinetic energy of the alpha particl..
A freezer is used to freeze 2.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0 C, Determine the change in the entropy of the freezer
how do the phase angle and current change as the resistance changes in a circuit where the frequency stays constant?
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
A refinery buys gas that is metered at 52 degrees F and 250 psig. The refinery pays for the gas in a price per SCF. How many SCF were purchased
A sample of an ideal gas is at a temperature of 320 K. The rmsmolecular speed at this temperature is measured as 1631 m/s. Calculate the mass of a molecule of this gas.
7.85 g of nitrogen gas at an initial pressure of 3.87 atm and at 16°C undergo an isobaric expansion until the volume has doubled. What is the gas volume after the expansion
A rollercoaster with passengers has a mass of 2500 kg. This rollercoaster is powered to the top of a 25 m hill where it pauses for a moment at rest. What is the speed of the rollercoaster at the top of the vertical loop
question1a 20 rm kg uniform door has a width of 1.2 rm m and a height of 2.5 rm m. the door is mounted on a post by a
The drawing shows an equilateral triangle, each side of whichhas a length of 4.74 cm. Point charges are fixed to each corner, asshown. The 4.00 C charge experiences a net force due to the chargesqA and qB.
A rotating door is made from 4 rectangular glass panes. The mass of each pane is 85 kg. Determine the magnitude of the doors angular acceleration
Vertically polarized light with an intensity of 0.40 W/m2 passes through a polarizer whose transmission axis is at an angle of 55 degrees with the vertical
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