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Physics, 18.11.2019 19:31 guyfromnasa
In preparation for shooting a ball in a pinball machine, a spring (k = 730 n/m) is compressed by 0.0796 m relative to its unstrained length. the ball (m = 0.0585 kg) is at rest against the spring at point a. when the spring is released, the ball slides (without rolling). it leaves the spring and arrives at point b, which is 0.256 m higher than point a. ignore friction, and find the ball's speed at point b.
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Physics, 22.06.2019 23:20, jjhagan22
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
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Physics, 23.06.2019 03:30, anthonyfr10004
Ineed to answer this problem but i lack in knowledge, what should i study to answer this problem? i have never used derivatives in a physics problem so i'm not sure what's happening and i can't find videos explaining.
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In preparation for shooting a ball in a pinball machine, a spring (k = 730 n/m) is compressed by 0.0...
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