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A boat moves through the water with two forces acting on it. One is a 1700 Newton forward push by the water on the propeller, and the other is a 1200 N resistive force due to the water around the bow.
(a) Find what is the acceleration of the1300 kg boat?
(b) If it starts from rest, determine how far will it move in 5.0 second?
(c) Find what will its velocity be at the end of that time?
A hoop and a disk, both of 0.58- m radius and 3.0- kgmass, are released from the top of an inclined plane 2.5 m high and8.8 m long. What is the speed of each when it reaches the bottom?Assume that they both roll without slipping.
In a certain automobile engine with an efficiency of 19.2%, combustion of gasoline in one cylinder releases 490 J of heat. Find the total mechanical power produced by all four cylinders, operating at 48 cycles/s, or 2880 rpm
a cosmic ray particle travels directly over a soccer field from one goal line to the other at a speed of 0.522c. if the
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
The magnitude of the electrostatic force between two identical ions that are separated by a distance of 0.90 nmis 4.103×10-8 N, How many electrons are missing from (or have been added to) each ion
Two conductors having net charges of +16.0 µC and -16.0 µC have a potential difference of 16.0 V between them. (a) Determine the capacitance of the system.
How many half-lives are required for the number of radioactive nuclei to decrease to 1/10^5 of the initial number
The Earth's gravity pulls on the Moon, causing it to orbit. However, by Newton’s third law, it is known that the Moon exerts a force back on the Earth. Therefore, the Earth should move in response to the Moon. Thus a more accurate statement is, "T..
A certain copper wire has a resistance of 11.0?. What is the resistance of each piece
use a computer to produce a table and graph like those in this section for two interacting two-state paramagnets each
You measure an electric field of 1.26×106 N/C at a distance of 0.149 m. from a point charge. find the magnitude of the charge
question1a lunar landing craft approaches the moonrsquos surface. suppose that one-third of itsnbspweight is fuel that
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