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A tourist drops a 1-liter water-filled balloon from the top of a monument (170m high). If air resistance is negligible and almost all the motion energy heats the water, find the increase in temperature of the water when it hits the pavement.
(hint: equate mgh in joules to the quantity of heat mc (change) T and express c, the specific heat capicity for water, in terms of joules rather than calories. Use conversion factor 4187J/kg degrees C
The weight of a star is usually balanced by two forces: the gravitational force, acting inward, and the force created by nuclear reaction, acting outward. What is the radius of the geostationary orbit for this neutron star
A Nextrad wave of 2.70 GHz was sent out. If it took 3.75 ms to get the returning signal from a storm weather system, how far away is the storm
A skydiver deploys his parachute when he is 1020 directly above his desired landing spot. He then falls through the air at a steady 4.3m/s . There is a breeze blowing to the west at 2.0m/s.
The basement membrane of the glomerulus has the following properties: Rp = 5 nm, the total glomerular membrane areas is 1.5 m2, what is the fractional pore area
You are given a spherical mirror and wish to determine its properties. You place an object on its axis, Find the mirror\'s focal length
A riffle with a mass of 3.00kg fires a bullet with a mass of 3.50 x 10 ^ -3 kg at a speed of 330 m/s. What is the recoil speed of the riffle
A radioactive atom is moving with respect to the laboratory (which is the Earth frame) at the speed of 0.8c in the +x direction. determine the velocity of the electron measured by a laboratory observer
A 31 cm diameter coil consists of 21 turns of cylindrical copper wire 3 mm in diameter. Determine the current in the loop
You and a friend have been given the task of designing a display for the Physics building that will demonstrate the strength of the electric force. Your friend comes up with an idea that sounds neat theoretically
A solid spherical ball of mass 1.32 kg and radius 0.08 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
consider two observers jane and susan both in the vacuum region surrounding a 15 compact spherical object of
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average velocity
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