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The motion of a particle is defined by the equation x=4t^3 - 5t^2 +5t and y=5t^2-15t, where x and y are expressed in millimeters, and t is expressed in seconds. Determine the velocity and the acceleration when (a)t=1s, (b)t=2s.
Derive an expression for the bounding energy Eo in terms of the equilibrium interionic separation ro and the constants D, and p using the following procedure
a moving particle encounters an external electric field that decreases its kinetic energy from 8830 ev to 7750 ev as
Whit is the critical crack length in iron according to the Griffith-Orowan equation if surface energy=10^3J/m^2?
as a soil and water management expert you have been contracted to develop an irrgation systemnbspand regime for a large
The piston is now unlocked so it is free to move, and it conducts heat so the air comes to a uniform temperature . Find the mass in both A and B, and the final T and P.
air flows in a channel whose velocity at 3 neighbouring points ab and c which are 10 cm apart are shown in the
a car is driven east for a distance of 43 km then north for 23 km and then in a direction 29deg east of north for 27
the pressure drop between the entrance and exit of a 150 mm diameter 90deg elbow through which ethyl alcohol at 20degc
determine the maximum velocity to which water can be accelerated by the nozzles before striking the turbine blades.
1. consider a conical pendulum that is a ball of mass m at the end of a string of length li moving in a horizontal
Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded. If the normal stress in each rod must be limited to 110 MPa, determine the minimum diameter D required for each rod.
What is the angular velocity Wcd (t)?
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