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The position of an object as a function of time is given by x = At2 - Bt + C, where A = 7.5 m/s2, B = 6.2 m/s, and C = 3.9 m. Find the instantaneous velocity and acceleration as functions of time. (Use the following as necessary: t.).
You throw a glob of putty straight up toward the ceiling, which is 3.00m above the point where the putty leaves your hand. What is the speed of the putty just before it strikes the ceiling
A wire 6.70m long with diameter of 2.10mm has a resistance of 0.0250 ohm. Find the resistivity of the material of the wire
What is swimmer velocity relative to the bank
A mass of 2.0 Kg hangs from a spring with a force constant of 50 N/m. What is the amplitude of the resulting oscillations
Find out total vector displacement
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
A man wolks up a flight of stair, his power output is P. he runs up the same stairs with twice the speed. What's new power output
A car starts from rest and then accelerates uniformly to a linear speed of 16 m/s in 42 s. If the tires have a radius of 27 cm, what are the following.
The biological activity of some organs can be investigated using radioactive isotopes. For example, iodine is important in the action of the thyroid. if the physical half life of is 194 hr, what is the biological half life of iodine in the bulk of ..
During an adiabatic expansion the temperature of 0.500mol of argon (Ar) drops from 48.0?C to 15.0?C. What is the change in internal energy of the gas
A car of mass 1540 kg rests on a hydraulic lift with a piston of radius 0.27 m that is connected to a second piston of radius 0.031 m. what is the force at the second piston
Two identical positive charges exert a repulsive force of 7.4 x10-9 N when separated by a distance of 4.8 10-10 m. compute the charge of each.
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