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At the instant shown in the figure, the stepped pulley rotates clockwise at 25 rad/sec, with a clockwise angular acceleration of 6 rad/sec^2. The masses of the two blocks are mA = 0Kg, ma = 5Kg, and the cables are inextensible. Find the mass moment of inertia of the pulley.
A parallel plate capacitor has two plates, each of area3.0x10-4 m2, separatedby 3.5x10-4 m. The space betweenthe plates is filled with a dielectric. When the capacitor isconnected to a source of 120 V rms at 8.5kHz, an rms current of 1.6 x10-4 A is..
A ceiling fan is rotating at 0.96 rev/s. When turned off, its lows uniformly to a stop in 2.4 minute. Find how many revolutions does the fan make in this time
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers, What is the speed of the spaceship in terms of the speed of light
Hail comes straight down at a mass rate of m/?t = 0.070 kg/s and an initial velocity of v0 = -13 m/s and strikes the roof perpendicularly. Unlike rain, hail usually does not come to rest after striking a surface. Instead, the hailstones bounce off..
A dentist's drill starts from rest. After2.90s of constant angular acceleration it turns at a rate of2.2104rev/min. Find the drill's angular acceleration
A light ray passes from water into air. The angle of incidence is 37o. Find the angle of refraction in the air
a catapult launches a rock towards a hill 500m away. the rock lands on the hill 20m above the release point of the rock. find the max height of the rock during flight
A lump of putty with a mass of 0.210 kg and a speed of 0.830 c collides head-on, What is the mass of the system after the collision
A rotating wheel requires 9.00 s to rotate 26.0 revolutions. Its angular velocity at the end of the 9.00-s interval is 95.0 rad/s. What is the constant angular acceleration
in haiti public transportation is often by taptaps small pickup trucks with seats along the sides of the pickup bed and
a shot putter threw a shot-put with a speed of 13.4 m/s at an angle of 43 above the horizontal. How far did the shot-put travel in the horizontal direction
A device known as Atwood's machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Calculate the magnitude of their acceleration
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