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A point moves in the plane so that its tangential acceleration wt = a, and its normal acceleration wn = bt4, where a and b are positive constants, and t is time. At the moment t = 0 the point was at rest. Find how the curvature radius R of the point's trajectory and the total acceleration w depend on the distance covered s.
A fluid in an insulated, flexible bottle is heated by a high resistance wire and expands. If 9kJ of heat is applied to the system and it does 5kJ of work, how much does the internal energy change?
A block of mass 3.0kg hangs from one end of a cord, while the other end is wrapped around a uniform wheel of radius 30cm and moment of inertia 0.80kgm2. Find the linear acceleration of the block
The image behind a convex mirror (radius of curvature = 76.0 cm) is located 32.0 cm from the mirror. Where is the object located (give the distance to the mirror)
Consider the l=1 to l=0 transition in the HCl molecule. If the sample contains two isotopes of chlorine (35Cl and 37Cl) the rotational spectral line is split in two. Calculate the energy difference between the photons.
A permanent bar magnet has a field strength of 1T. Assume we have a circular wire loop of radius R=0.50 cm that is carrying a current of I Amperes. What current is needed to make a magnetic field at the center of the wire loop that is equal to the fi..
Ultraviolet light is shone on a particular metal and the stopping potential is measured at the same time. What is the work function of the metal
A 1.05-kg bucket is tied to a rope of negligible mass that is wrapped around a pole mounted horizontally on frictionless bearings. When the bucket is released from rest
When a single person shouts at a football game, the sound intensity level at the center of the field is 59.9dB. how many people are at the game
a light bulb has a resistance of 210 . it is connected to a standard wall socket 120 v rms 60.0 hz. a determine the rms
Four masses lie in a rectangular arrangement in the xy - plane. One mass is at the origin and the rectangular legs are parallel to the CS axes. Determine the net gravitational force on each of the masses
A circular loop of wire of 250.0 turns is placed perpendicular to a uniform magnetic field of .500 T. The area of the loop is decreasing at a rate of 1.00* 10^-3 m^2 in .400 s. Calculate the induced emf in the loop. please answere in depth
Find the velocity of the bomb when it hits the water - what is the deceleration of the bomb and what is the average force of impact?
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