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a stone is thrown upward at an angle of 43degrees above the horizontal. it's maximum height during the trajectory is 55m. the acceleration of gravity is 9.81m/s, what was the stone's initial speed?
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After examining a cube-shaped object, explain, based on your observations, why Earth is not shaped like a cube? Describe 4 reasons with evidence to support each one.
Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is th ...
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Question: A simple pendulum oscillates with frequency f. (a) What is its frequency if the entire pendulum accelerates at 3/4g upward? (b) What is its frequency if accelerates at 0.75g downward? The response must be typed ...
Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?
Question: Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force neede ...
Question: Your physics textbook is sliding to the right across the table. Identify all forces acting on the object: A) Weight, Kinetic friction B) Thrust; Kinetic friction C) Normal force ; Weight ; Kinetic friction ; D) ...
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