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An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 19.0 m if her initial speed is 2.80 m/s. What is the free-fall acceleration on the planet?
_________ m/s2
A draw bridge of length L is being held up by an axel at its pivot and by a chail that is also of length L. The drawbridge has uniform mass. What is the minimum angle to shoot an arrow
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 550 J in it? Find the amount of stored charge
A very long solenoid with a circular cross section and radius r= 6.10 cm with n= 1.20E+4 turns/m has a magnetic energy density uB= 4.50 mJ/m3. What is the current in the solenoid
A 2.41 kg block and a 4.82 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. How much does the kinetic energy of the system increase
A light bulb at point x in the frame of reference O blinks on and off at intervals, ?t = t2 - t1. Use the expressions for the Lorentz transformations to derive the expression for the time dilation relations ?t and ?t'
How does reaction time affect emergency situations, like braking in a car? Estimate the distance a car travels at 100km/hr due to your reaction time in braking
A ball (mass 100g) is recorded to have a speed of 2m/s after falling 5m under gravity. What is the work done by air resistance
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
A beam of quasimonochromatic light having an irradiance of 500 watts per square meter is incident in air, Determine the reflectance and transmittance
A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 415-N walk on the overhanging part of the plank before it just ..
A moon orbits a planet because of the gravitational force between them. Similarly, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as distance between a planet and moon varies.
Consider a regular hexagon of side length, L = 10cm. A charge, Q = 2µC, is located at each vertex, Find the electric field vector at the center
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