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Gasoline flows through a horizontal pipeline with a flow rate of 25 ft 3 / min. A pressure gauge measures the pressure to be 315 lb/ft2 in a part of a pipeline with a diameter of 4.2. If the line expands to a pipe with a diameter of 6.5, calculate:
a) The flow speed in the larger pipe (ft/s)?
b) The pressure in this pipe (lbs/ft2)?
Suppose we move along the+y-axis from ya= 0.0 m (where the potential is 2000V) to yb = 2.0 m. Alongthe yaxis in this region, the electric field has amagnitude given by (1200 V/m4)y3 and makes an angle of 60° withthe+y-direction. Find the potential..
The rotational spectrum of the HCl molecule contains lines with wavelengths of 0.0604, 0.0690 ,0.0804 ,0.0964 , and 0.1204 mm. What is the moment of inertia of the molecule
A projectile is fired with an initial speed of 68.8 at an angle of 37.8 above the horizontal on a long flat firing range. Find out the maximum height reached by the projectile.
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
A stone is dropped into a river from a bridge 41.9 m above the water. What is the initial speed of the second stone
A toy spacecraft is launched directly upward. When toy reaches its highest point, a spring is released and the toy splits into two parts with masses of .c2 kg and .08 kg.
two objects m1=5.10 kg and m2=3.25 kg connected by light spring passing over a light frictionless pulley. determine the speed of each object when the two pass each other
A circular loop in the plane of the paper lies in a 0.63 T magnetic field pointing into the paper. What is the magnitude of the average induced emf? If the coils resistance is 2.3 ohms, what is the average induced current?
Two identical 0.13 kg blocks (labeled 1 and 2) are initially at rest on a nearly frictionless surface, connected by an unstretched spring, where x2 = 0.04 m.
The electric output of a power plant is 790MW. Cooling water flows through the power plant at the rate 0.600*10^8 L/hr. What is the power plant's thermal efficiency
two equally charged particles are held 3.210-3m apart and then released from rest. the initial acceleration of the
A physics book slides off a horizontal tabletop with a speed of 2.30 m/s. It strikes the floor in 0.350 s. Find the height of the tabletop above the floor
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