Physics, 10.01.2020 23:31 sherry59Sherry59
Asap plz. true or false: when placing a fulcrum in a lever, to get the greatest mechanical advantage, you would need to make the length of the effort arm greater than the length of the load arm. why?
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How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
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Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory
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Review multiple-concept example 7 in this chapter as an aid in solving this problem. in a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. in one instance, the radius of the circle is 0.626 m. at one point on this circle, the ball has an angular acceleration of 66.1 rad/s2 and an angular speed of 12.6 rad/s. (a) find the magnitude of the total acceleration (centripetal plus tangential) of the ball. (b) determine the angle of the total acceleration relative to the radial direction.
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Asap plz. true or false: when placing a fulcrum in a lever, to get the greatest mechanical advantag...
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