Physics, 25.08.2019 05:30 Throwback633
Atruck using a rope to tow a 2230-kg car accelerates from rest to 13.0 m/s in a time of 15.0s. how strong must the rope be? μk = 0.373
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How to tell if a molecule is polar or nonpolar with electronegativity
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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Physics, 22.06.2019 17:00
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
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Physics, 22.06.2019 20:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 740 n/m. it is initially at rest on an inclined plane that is at an angle of theta= 26 with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is uk = 0.17. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. the block's initial mechanical energy is 9.472 j.b. if the spring pushes the block up the incline, what distance l in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
Atruck using a rope to tow a 2230-kg car accelerates from rest to 13.0 m/s in a time of 15.0s. how s...
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