Physics, 10.12.2020 14:00 yourbakedpotato101
Suppose the spring in Fig. 3-2 is stretched twice as it
x=2A). What happens to (a) the energy of the system,
the maximum velocity of the oscillating mass, (c) the
Toy dart gun. A dart of mass 0.100 kg is pressed against
the spring of a toy dart gun as shown in Fig. 3β3a. The
spring, with spring stiffness constant k=250 N/m and
ignorable mass, is compressed 6.0 cfm and released. If the
dart detaches from the spring when the spring reaches its
Example 3.4:
maximum acceleration of the mass?
Example 3.5:
natural length (x=0), what speed does the dart acquire?
Answers: 1
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Aphysical change is a change in the size, shape,, or stafe of matter true or false
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What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
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Physics, 22.06.2019 09:30
An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?
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Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12Β°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to
Answers: 3
Suppose the spring in Fig. 3-2 is stretched twice as it
x=2A). What happens to (a) the energy of th...
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