(C) greater than zero but less than 45 above the horizontal. This question wants us to analyze the momentum of the two carts. Mechanics, Waves and Sound, Electrostatics and DC Circuits. In this case, the force that block Y exerts on block X has magnitude \(F_)\) Is the tension in string A greater than, less than, or equal to the tension in string B if the balls travel over the top of the circle (a) with equal speed and (b) with equal angular velocity (a) with equal speed, Ta is greater than Tb (b) with equal angular velocity, Ta is less than Tb. This law states that two bodies exert forces of equal magnitude and opposite direction on each other. You’ll be allowed a scientific or graphing calculator throughout the entire exam, and you’ll also be given equation and formula tables.įirst, we’ll need to rely on Newton’s Third Law of Motion. i2 is greater across R2 than R1 (a) In Fig.
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