MATHPHYS Physics help
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Physics, 22.06.2019 04:50, gabriellam20
Describe the function of the endomembrane system? what organelles are involved?
Answers: 3
Physics, 22.06.2019 11:00, ronniethefun
If a simple machine reduces the strength of a force, what must be increased?
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Physics, 22.06.2019 12:10, hilljade45
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
Physics, 22.06.2019 15:00, koranbutterton
Astudent throws a water balloon with speed v0 from a height h = 1.76 m at an angle Ξ = 21° above the horizontal toward a target on the ground. the target is located a horizontal distance d = 9.5 m from the studentâs feet. assume that the balloon moves without air resistance. use a cartesian coordinate system with the origin at the balloon's initial position. (a) what is the position vector, rtarge t, that originates from the balloon's original position and terminates at the target? put this in terms of h and d, and represent it as a vector using i and j. (b) in terms of the variables in the problem, determine the time, t, after the launch it takes the balloon to reach the target. your answer should not include h. (c) create an expression for the balloon's vertical position as a function of time, y(t), in terms of t, vo, g, and Ξ. (d) determine the magnitude of the balloon's initial velocity, v0, in meters per second, by eliminating t from the previous two expressions.
Answers: 3
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