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Solve the all parts of given question:
Question: Ann throws a rock upward with an initial speed of 29.4 m/s from the top of a 60-meter tower. If a = 9.80 for the acceleration due to gravity and air resistance is ignored,
Part A: What is the rock's velocity the instant it hits the ground at the base of the tower? (Hint: answer is not zero, choose the upward direction as positive)
Show how you get the answer, so that I can better understand how to do it.
An airplane with a mass of 2.0*10 6 kg. Has the air flow past the lower surface of the wings at 75 m/s. If the wings have a surface area of 1200m 2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the air? T..
A 5-nC charge is located at x = 5 cm and a charge of -6nC is located at x = -4 cm. Find the monopole moments
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.5 mm. What is the resistance ratio RA/RB, measured between their ends
q1. the total momentum of a closed system is observed to be 670 kgms east. the system consists of 36 objects that are
a 2.0microf capacitor and a 4.0microf capacitor are connected in series across 1000 v. the charged capacitors are then
An object with mass m1 = 8 kg traveling with an x-velocity of V1x = 15/17 collides with an object with mass m2 = 12kg traveling with an x-velocity of V2x = - 15/13, Find the other object's x-velocity
consider the concentric metal sphere and spherical shells that are shown in the figure below. the innermost is a solid
A 64 kilogram person is ice-skating due north with a velocity of 6.3 m/s when he collides with a 43 kilogram boy. determine the magnitude of the boy velocity
A proton moves eastward in the plane of Earth's 5x10^-5 T magnetic equator so that its distance from the ground is constant. What is the speed of the proton?
An electron moving to the right at 1.0% the speed of lightenters a uniform electric field parallel to its direction ofmotion. what direction is required for the electric field
Megan’s mass is 28 kilogram. She climbs the 4.8-m ladder of a slide and reaches a velocity of 3.2 m/s at the bottom of the slide. How much work was done with friction on Megan?
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