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A pipe bends through an angle of 45 degrees in the vertical plane. At the inlet it has a cross sectional area of 0.004m^2 and a gauge pressure of 1000kPa. At the exit it has an area of 0.0008m^2 and a gauge pressure of 400kPa. Calculate the vertical and horizontal forces due to pressure only.
Tsunamis are deep ocean waves that usually result from the undersea earthquakes or landslides. What is the tsunami's wavelength
A hand grenade (m=580g) slides across the (essentially frictionless) floor at a speed of 0.86 m/s. determine the speed of the second fragment
a 6-lb block is attached to a cable and to a spring vertically the cable above and the spring below. the spring
question for a satellite to maintain a circular orbit around the earth what parameters must be balanced? what would
Light of wavelength 646 nm from a distant source is incident on a slit 0.760 mm wide, and the resulting diffraction pattern is observed on a screen 3.60 m away. What is the distance between the two dark fringes
A uniform meter stick is in static rotational equilibrium when a mass of 220 g is suspended from the 5.0-cm mark, What is the mass of the meter stick
An electron and a positron each have a mass of 9.11 x 10-31 kg. determine the energy of the electromagnetic radiation
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 335 K is heated at constant volume to 670 K, What is the net work done by the gas during the cycle
Electrons which were initially at rest were subjected to a continuous force of 2×10-12 newton along the entire length of two miles (one mile is 1.6 kilometers) and reached speeds very near the speed of light.
Assume that the water drawn in enters with no horizontal velocity relative to the surrounding water. The maximum mass flow rate of water through the engine is 2.5 slugs/s. Hydrodynamic drag exerts a force on the boat of magnitude 1.5v lb, where v ..
What is the maximum energy that a free electron (initiallystationary) can acquire in a collision with a photon of energy 4keV?
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.59 × 10-6 T. What is the intensity S of the wave
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