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A block with mass m = 21.7 kg slides down an inclined plane of slope angle 33.6 o with a constant velocity. It is then projected up the same plane with an initial speed 1.85 m/s. whereas the mass is heading up the incline, what is the magnitude of its acceleration?
a cessna aircraft has a lift-off speed of 120 kmh.a what minimum constant acceleration does the aircraft require if the
Compute the mean and maximum velocities for a liquid with a flow rate of 20 L/min in a 1.5-in nominal diameter sanitary pipeline
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
a 0.482-kg toy car is powered by one d cell 1.50 v connected directly to a small dc motor. the car has an effective
question a rifle of 8lb fires a bullet weighing 0.8oz which leaves the rifle with a muzzle velocity of 2000 fts. what
A teenager pushes tangentially on a small hand-drivenmerry-go-round and is able to accelerate it from rest to afrequency of 16.6 rpm in 11.9 s. What force is required at the edge
The image behind a convex mirror (radius of curvature = 72 cm) is located 14 cm behind the mirror. Where is the object located? What is the magnification of the mirror?
The ripples in a certain groove 16.3 centimeters from the center of a33-rpm phonograph record have a wavelength of 1.26 millimeters. Find what will be the frequency of the sound emitted
A string of length 2.6 m is fixedat both ends. When the string vibrates at a frequency of84.0 Hz, a standing wave with6 loops is formed. What is the wavelength of the waves that travel on the string
A polarized light beam, with a 6.41 millimeter diameter circular cross section, is perpendicularly incident on an ideal polarizer, serving here as an analyzer. Obtain what force does the light exert on polarizer
Two thin, positively charged rods are placed along the x-axis and y-axis. Each rod is 3.00m in length, and is a distance 1.00m from the origin. Find the electric field produced by each rod individually at the origin
A 50.0kg stunt pilot who has been diving her airplane vertically pulls out of the dive by changing her course to a circle in a vertical plane. What is the apparent weight of the pilot at the lowest point of the pullout?
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