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A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 4.0 m/s.
What is the speed in the second segment?
What is the speed in the third segment?
What is the volume flow rate through the pipe?
What is the volume of air at atmospheric pressure (100kPa) that must be pumped into a tyre that has a volume of 0.1 cubic meter?
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 85.7%. Find the number of SUVs in the lot
A 38.0 kg box initially at rest is pushed 4.00 m along a rough, horizontal floor with a constant applied horizontal force of 125 N. determine the final speed of the box
One billiard ball is shot east at 2.50 m/s . A second, identical billiard ball is shot west at 1.39 m/s . The balls have a glancing collision, not a head-on collision, What is the speed of the first ball after the collision
A bag of cement weighing 275 N hangs in equilibrium from three wires as suggested in the figure below. Two of the wires make angles θ1 = 56.0° and θ2 = 42.0° with the horizontal. Assuming the system is in equilibrium, find the tensions T1, T2,..
A rubber balloon filled with air is rubbed against a wool sweater and acquires a negative charge. The balloon is placed up against a flat wall and released. The balloon stays stuck to the wall. How is this possible if the wall is not charged in an..
the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
What is the tangential acceleration of a bug on the rim of an 11.00 in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 79.03 rev/min in 3.60 s? One second after the bug starts from rest, what is its centripetal accel..
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 13.7 cm. what is the new image distance
Compare the speed of sound following from that slope to the calculated speed of sound from the gas properties
A particle is described by the wave function Ψ(x) ={ Axe^-ax, x>0 and Ψ(x) ={ 0, x≤0, Find the most probable position of the particle
a student measures the diameter of a small cylindrical object and gets the following readings 4.32, 4.35, 4.31, 4.36, 4.37, and 4.34cm. What is the average diameter of these readings
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