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Two protons are released from rest, one from location 1 and another from location 2. When these two protons reach location 3, the first proton has a speed that is 3 times the speed of the second proton. If the electric potentials at locations 1 and 2 are 231 V and 115 V, respectively, what is the electric potential at location 3?
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1330 Hz. The bird-watcher, however, hears a frequency of 1410 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
What types of lifestyle changes will be brought about by living in a house whose space heating and hot water needs are supplied almost completely by the sun.
The magnitude of vector vector A is 31.6 units and points in the direction 321° counterclockwise from the positive x-axis. find out the x-component of this vector.
a) Write an expression for the magnitude of the force, F, that propels the dragster forward in terms of the variables provided. b) If the track has length L, select the correct symbolic equation for how fast Vf the dragster is traveling when it fi..
A 1300 N uniform boom is supported by a cable perpendicular to boom. The boom is hinged at the bottom, and a 2100N weight hangs from its top.
find the electric flux through the bottom of the car. What was the jogger's average speed in m/s.
A child goes down a playground slide with an acceleration of 1.30. Find out the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0 below the horizontal.
A 10.00 kg grocery is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. a.) What work is done on the cart? b.)If all frictional forces are neglected, and the cart starts form rest, what is the grocery cart..
A plane leaves the airport in Galisto and flies 175 km at 68.0^circ east of north and next changes direction to fly 260 km at 48.0^circ south of east, after which it makes an immediate emergency landing in the pasture.
How would you describe why we have different atmospheric pressure on different level (height) of earth's atmosphere in molecular level (molecular behaviour and what causes such behaviour).
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, where A is a constant. (Use the following as necessary: 0, A, r, and R, as necessary.)
Consider a standing wave on the string with a frequency equal to the fifth harmonic (fn = nf1 with n = 5). How many nodes and antinodes does this standing wave possess.
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