Top of the window the windowsill
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of the window below the windowsill from w/c the flower pot fell?
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For a simple harmonic oscillator, the position is measured in the displacement from the equilibrium.
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle.
Six mass piece of 100g each are placed on a mass holder of 150g which is hung from a string. calculate the tension in the string.
Calculate the effective dose for the following set of individual organ equivalent doses, using all three sets of weighting factors from the ICRP (30, 60, and new) and compare the results.
A school yard teeter totter with a total length of 6.0 m and a mass of 36 kg is pivoted at its center. Where should the parent push with a force of 350 N to keep the teeter totter level?
The electricity recieved at an electric substation has a potential difference of 2.80 10^5V. If the requires output is 440V, what should be the ratio of the turns of the step-down transformation?
Two Satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is twice that of Satellite B. Find the ratio (Ta/Tb) of the periods of the satellites.
A 5.00-m-long, 480 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 74.0 kg construction worker stands at the far end of the beam. What is the magnitude of the torq
The jet plane travels along the vertical parabolic path. When it is at point A, it has a speed of 200 mps, which is increasing at the rate of 0.8 mps2. Determine the magnitude of acceleration of the plane when it is at point A.
A 30.0 kg gun is resting on a frictionless surface. The gun fores a 50.0 g bullet with a muzzle velocity of 310.0 m/s. a) Calculate the momenta of the bullet and the gun after the gun is fired.
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