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Question: A woman stands on a scale in a moving elevator. her mass is 60 kg and the combined mass of the elevator and scale is an additional 815. starting from rest, the elevator accelerates upward. during the acceleration, the hoisting cable applies a force of 9410 n. what does the scale read during the acceleration?
A suitcase is pulled by a tether that makes a 60 degree angle with the horizontal. what is the magnitude of the pull
A model rocket with mass 1.62 kg starts from rest on the ground and accelerates upward with engine force 45.8 N. Find the work done by the rocket engine
Critical Review of Eric Ries Book in perspective of entrepreneurship. Whats is best,better and good in this book in terms of start-up.
A light balloon is filled with 391 m3 of helium at atmospheric pressure. (a) At 0°C, the balloon can lift a payload of what mass?
A student ate a Thanksgiving dinner that totaled 3000Cal . He wants to use up all that energy by lifting a 30-kg mass a distance of 1.0 m. How many times must he lift the mass
two forces f1 and f2 have magnitudes 335 and 478 pounds respectively and act on a body at an angle of 45 degrees 40
A 23--long log of irregular cross section lies horizontally, supported by a wall at one end and a cable attached 4.0 from the other end, Find the log's center of gravity
A 9000pF capacitor holds plus and minus charges of 1.35×10?7C . What is the voltage across the capacitor
You are a female physicist applying for a position you want very much at a prestigious, relatively conservative, university.
If the cylinder is loaded by an axial compressive force of 50 kN, determine the total shortening (in mm) in a 600 mm length. Also, determine the normal stress (in MPa) under this load. The modulus of elasticity of cast iron is E = 100 GPa.
The flywheel in a car is a solid cylinder with a mass of 100 kg, a radius of 12 cm, and a length of 5.0 cm. What is the kinetic energy of the cylinder
An object with mass 3.5 is attached to a spring with spring stiffness constant 300 and is executing simple harmonic motion. Calculate the maximum velocity attained by the object
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