Prominences and sunspots are both: jets of burning gas.
patches on the Sun's surface.
caused...
Physics, 07.04.2021 23:20 khill21208
Prominences and sunspots are both: jets of burning gas.
patches on the Sun's surface.
caused by the sun's electromagnetic field.
visible during an eclipse.
Answers: 1
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Which of the following would not be taken into consideration when describing the quality of a sound
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Boxing gloves are padded to lessen the force of a blow. (a) calculate the force exerted by a boxing glove on an opponentโs face, if the glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. (b) calculate the force exerted by an identical blow in the gory old days when no gloves were used and the knuckles and face would compress only 2.00 cm. (c) discuss the magnitude of the force with glove on. does it seem high enough to cause damage even though it is lower than the force with no glove?
Answers: 1
Physics, 22.06.2019 22:50
What is an electric motor? explain its operation. 2-3 sentence
Answers: 1
Physics, 22.06.2019 23:20
Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction
Answers: 3
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