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In a section of horizontal pipe with a diameter of 3.00 cm the pressure is 5.21 kPa and water is flowing with a speed of 1.50 m/s. The pipe narrows to 2.50 cm. What is the pressure in the narrower region if water behaves like an ideal fluid of density 1000 kg/m3? (Please explain how to solve this, show steps)
Compute the heat absorbed by the gas and work done by the gas during expansion.
A 75.0 kg man stands on a bathroom scale in an elevator that accelerates upwards from rest to 30.0 m/s in 2.00 s. Calculate the scale reading compared with his weight
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 5.00 km from the source, What is the average power radiated by the source
A 2.65 kg mass oscillates back and forth on a spring with a velocity vector that varies as a function of time according to the following v(t)=(3.95cm/s) sin [0.79 rad/s], What is the maximum speed of mass
A block with mass m = 5.00kg slides down a surface inclined 36.9 ? to the horizontal (the figure (Figure 1) ). The coefficient of kinetic friction is 0.27. What is the acceleration of the block down the plane
A tortoise can run with a speed of 14.0 cm/s, and a hare can run 20 times as fast. In a race, What is the length of the race
The four tires of an automobile are inflated to a gauge pressure of 2.10E+5 Pa. Each tire has an area of 0.0267 m2 in contact with the ground. Find out the weight of the automobile.
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, find the electric field just inside the paint layer
An airplane of mass 1.40 x 10^4 kg is in level flight, initially moving at 56.0 m/s. Find the speed of the airplane after it has traveled 4.4 102 m
question1an old oaken buck of mass 6.75 kg hangs in a well at the end of a rope. the rope passes over a frictionless
A vertical spring with a spring constant of 2.16 N/m has a 0.31-kg mass attached to it, and the mass moves in a medium with a damping constant of 0.025 kg/s. The mass is released from rest at a position 4.5 cm from the equilibrium position. How long ..
Determine the magnitude of the force on an electron traveling 7.85×105m/s horizontally to the east in a vertically upward magnetic field of strength 0.44T
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