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A liquid of density 1.31 × 103 kg/m3 flows steadily through a pipe of varying diameter and height. At location 1 along the pipe the flow speed is 9.09 m/s and the pipe diameter is 1.09 × 101 cm. At location 2 the pipe diameter is 1.69 × 101 cm. At location 1 the pipe is 9.69 m higher than it is at location 2. Ignoring viscosity, calculate the difference between the fluid pressure at location 2 and the fluid pressure at location 1.
The velocity of the car at the end of the fifteen-second period is +20.6 m/s. The ratio of the average acceleration values is a1/a2 = 1.50. Find out the velocity of the car at the end of the initial ten-second interval.
two metal rods are to be used to conduct heat from a region at 100 c to a region at 0 c. the rods can be placed in
An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.
Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of pattern to first dark band.
Slides along an x axis on a frictionless floor
basketball star covers 2.85 m horizontally in a jump to dunk the ball. His motion through space can be modeled precisely as that of a particle at his center of mass. Determine his takeoff angle
Suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycle/s, and the antenna radiates electromagnetic waves in a region of space. What is the period of the charge oscillation
Find the moment of inertia of the plate for an axis that lies in the plane of the plate, passes through the center of the plate, and is perpendicular to the axis in part A
You drive west at 74km/h for 25min , then follow a road that goes 41^\circ south of west, driving at 93km/h for another 36min. Find your average speed for the trip
A street light is supported by two wires and each makes a different angle from each other. Find the tension in each wire if the street light has a mass of 60.0 kg
A planet of total mass M and radius R has a non-uniform density such that p(r) = po (1-r/R), Determine the gravitational field g(r) at a point r ? R inside the planet
Two nanowires are separated by 1.0 nm as measured by STM. Inside the wires the potential energy is zero, Estimate the probability that the electron passes from one wire to the other
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