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An explosion breaks an object into two pieces; one of which has 1.48 times the mass of the other. If 7430 J were released in the explosion, how much kinetic energy did the heavier piece acquire?
How much kinetic energy did the lighter piece acquire?
A half-wave antenna works on the principle that the optimum length of the antenna is half the wavelength of the radiation being received. What is the optimum length of a car antenna when it receives a signal frequency of 94.7 MHz?
In one dimension, an inertial ball of mass 1 kg has a speed of 1.50 m/s to the right and another inertial ball of mass 3 kg has a speed of 2.00 m/s to the left. Find the velocity of the center of mass after the collision
q1. the output of a certain laser pointer consists of a beam with uniform irradiance across the beams cross section.
the coefficient of kinetic friction between the table and the block is 0.320. Sand is gradually added to the bucket until the system just begins to move. Compute acceleration of the motion.
a hydrogen atom is at rest in the n3 state and absorbs a photon of wavelength 500 nm ionizing the atom. assume all the
A geodesic dome constructed with an aluminum framework is a nearlyperfect hemisphere; its diameter measures 56.0 {\rm m} on a winter day at a temperature of -10{\rm ^\circ C}. How much more interior space does the dome have
Given a configuration of three charged particles such that q1= 5.30 nC at (1.50 m, 0.0 m), q2= 9.20 n C at (0.00 m, 2.00 m) and q3= -2.40 nC at the origin
A person with a black belt in karate has a fist that has a mass of 0.70 kg. What is the magnitude of the average net force
A blue car of length 4.41 m is moving north on a roadway that intersects another perpendicular roadway (see figure below). The width of the intersection from near edge to far edge is 30.0 m.
A string 0.5 m long with mass density 0.0003 kg/m and is vibrating 200 cycles per second. What hanging mass would produce this tension
A jellyfish is floating in a water-filled glass tank 1.00 m behind a flat pane of glass 6.00 cm thick and having an index of refraction of 1.50. Where is the image of the jellyfish located
During a drag race, a car is initially at rest on a long straight track. Find how far does the car travel from the time that it starts moving until it comes to a complete stop
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