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A(n) 8.0-kg object is sliding across the ice at 2.34 m/s in the positive x direction. An internal explosion occurs, splitting the object into two equal chunks and adding 19J of kinetic energy to system. The explosive separation takes place over a 0.16-s time interval. Assume that the one of the chunks after explosion moves in the positive x direction. The x component of the average acceleration of this chunk during the explosion is afront x, the x component f_o the average acceleration of the other chunk during the explosion is a rear x. What are the x components of the average accelerations of the two chunks during the explosion?
The mass of a neutron is about 1.7x10?27 kg. Suppose the mass of a neutron star is about 3.4*10^30 kg. How many neutrons does such a star contain
A 1.3-kg block of ice is initially at a temperature of -6.0%u2218C. If 3.0*10^5 J of heat are added, what is the final temperature
The pyramid depicted in the figure contains approximately 2.20 million stone blocks that average 3.00 tons each. Find the weight of this pyramid in pounds. (Please provide numerical answer in lbs)
A converging lens has a focal length of f = 22.0 cm. An object is placed 41.0 cm from the lens. Find the size of the image in cm if the object has a height of 4 cm. express answer with one decimal place.
a series rlc circuit has a source of time-varying emf providing 15 v at a frequency f0 with l 7.90 mh r 130 omega and
Use the Rydberg equation to calculate the wavelength in nm of the light emitted, What is the color of the light emitted
A college student produces about 127 kcal of heat per hour onthe average. What is the rate of energy production inwatts? How many kilocalories of heat does the operation of a 1195 Whair dryer produce each second?
A 1300-kg car, initially at rest, is initially accelerated at 4.9m/s2. After the car moves 550m, the engine is cut off. The car then moves a distance of 1230 before coming to a stop. Suppose the road to be level and that g = 10 N/kg.
two cars cover the same distance in a straight line. car a covers the distance at a constant velocity. car b starts
A typical flying insect applies an average force equal to twice its weight during each downward stroke while hovering. estimate the average power output of the insect
A 7.38- g bullet is moving at 670.00 m/s as it leaves the 0.62- m-long barrel of a rifle. What is the average force on the bullet
A spacecraft is in a circular orbit about the moon, 1.03 x 105 meter above its surface. The speed of the spacecraft is 1770 meter per second, Find the apparent speed of the spacecraft's image
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