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A 30 g dart is shot straight up at 9.7m/s . At the same instant, a 24g ball of cork is dropped from 2.0m above the dart.
What is the speed of the cork ball immediately after it is hit by the dart? Assume the collision is exactly head-on and the dart sticks in the cork.
What is the direction of the cork ball immediately after it is hit by the dart?
A system has a heat source supplying heat at a rate of 187 W, At what rate is the internal energy of the system changing
Suppose we measure the terminal voltage of a rechargeable NiCad battery and find it to be 1.28 V when measured by a voltmeter. calculate the internal resistance of the battery
Ramon has a coherent light source with wavelength 579 nm. What is the minimum width of the screen if Ramon wants to display four interference maxima
A 18.2-? resistor is made from a coil of copper wire whose total mass is 18.5g. What is the diameter of the wire
An object is placed 6.00cm to the left of a converging lens of focal length 8.00 cm. obtain the position of the final image
A person with a weight of 280 lb stands on two feet wuth their weight equally distributed between the shoes, What is the pressure on each show independently
The ems of an AC circuit has an rms value of 120V. What is the maximum positive emf
During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk
A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to drift in the temporarily uninhabited, Calculate the entropy change of the air during the expansion
A charge of -0.62 m/C with an unknown mass hangs vertically from a string. A uniform electric field, which runs parallel to the ground (in the + x direction) is then turned on.
The rms speed of the molecules in 1.5g of hydrogen gas is 1800m/s . A:What is the total translational kinetic energy of the gas molecules, what is the rms speed of the molecules
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
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