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1. Water from a garden hose is sprayed against your car to rinse dirt from it. Estimate the force that the water exerts on the car. List all assumptions and show calculations.
2. A Pelton wheel vane directs a horizontal, circular cross-sectional jet of water symmetrically as indicated in Fig. P5.74 and Video V5.6. The jet leaves the nozzle with a velocity of 100 ft/s. Determine the x-direction component of anchoring force required to
(a) hold the vane stationary,
(b) confine the speed of the vane to a value of 10 ft/s to the right. The fluid speed magnitude remains constant along the vane surface.
A 0.196-µF capacitor is connected to a 246-V rms ac source at 44.5 Hz. What is the rms current through the capacitor
A man uses a tire iron to loosen his lug nuts. The tire iron is 25cm long. The man applies a force of 30N at an angle of 29° to the iron. What is the torque that is applied to the lug nut
How does the number of lines in the emission spectrum for an element compare with the number of lines in the absorption spectrum? In the Bohr model of the hydrogen atom, exactly what is quantized?
A wave is described by y = 0.019 4 sin(kx - ?t), where k = 2.22 rad/m, ? = 3.56 rad/s, x and y are in meters, and t is in seconds. Determine the wavelength of the wave
a frictionless inclined plane with angle of inclination theta is fixed to the floor of a train car accelerating in the
With a quick flick of her wrist, an Ultimate Frisbee player can give a Frisbee an angular velocity of 5.00 revolutions per second. How much time does this process take
A circuit contains two elements, but it is not known if they are L, R or C. The current in this circuit when connected to a 137 V, What are the two elements
Find the acceleration of a 1400 kilogram car if it can stop from 35km/h on a dime (1.7centimeter). Find the force felt by the 68 kilogram occupant of the car
A circular conducting loop of radius 11.0 cm is located in a region of homogeneous magnetic field of magnitude 0.300 T pointing perpendicular to the plane of the loop. Calculate the magnitude of the induced emf in the loop
A rifle is aimed horizontally toward the center of a target 0.10 kilometer away, but the bullet strikes 10 centimeter below the center. Find the time it takes for the bullet to strike the target
a roller coaster has a hydraluic catapult propels the car to the top of the ride at a height of 405 ft. if the car and
A 10-m-long glider with a mass of 780kg(including the passengers) is gliding horizontally through the air at 30m/s when a 70Kg skydiver drops out by releasing his grip on the glider. What is the glider's speed
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