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A mass of 500kg, with a velocity of 25m/s, hits a stationary mass of 200kg. The masses stick together after the collision. What is the velocity of the masses after the collision?
Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Find the secondary line voltage.
For a short time, the path of the plane is described by If the plane is rising with a constant velocity of 10 m/s, determine the magnitudes of the velocity and acceleration
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.260rev/s. What is the magnitude a of the resultant acceleration of a point on the tip of the blade at time t = 0.196s
Your roommate is working on his bicycle and has the bike upside down. He spins the 64 -diameter wheel, what is the pebble's speed and acceleration
A platform is rotating at an angular speed of 2.1 rad/s. A block is resting on this platform at a distance of 0.33 m from the axis. determine the smallest distance from the axis
A loudspeaker of mass 23-{rm kg} is suspended a distance of h = 1.80- {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.10- {rm m}. What is the tension T in each of cables.
A particle of mass m0 is given a kinetic energy equal to one-fourth its rest-mass energy. How fast must the particle be traveling
Compute the centripetal acceleration of a point on Earth's equator given earth's 24 H rotation period. Compare your answer with g=9.80 m/s
A projectile is fired at time t = 0.0 s, from point 0 at edge of a cliff, with initial velocity components of vix=30m/s and viy = 100m/s. The projectile rises, and then falls into the sea at point P. The time of flight of the projectile is 20s.
Starting from rest, a 1.8 10-4-kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
A microscope with an eyepiece lens of focal length 1.80 cm and an objective lens of focal length 0.95 cm is used to examine a section of the brain of a sacrificed rat. How far from the objective lens is the object
The accumulator is to supply 10,000 in3 of oil to the piston at a maximum pressure of 400 psig and a minimum pressure of 300 psig. Find the size of the accumulator
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