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The 16-lb uniform slender rod AB is supported by a small wheel at C and end A can slide on the horizontal surface. Knowing that the rod is released from rest in the position shown and neglecting friction at A and C, determine immediately after release
(a) The angular acceleration of the rod,
(b) The reaction at point A.
a typical human body has surface area 1.4 m2 and skin temperature 33 degrees celcius. if the bodys emissivity is about
A projectile is launched at an angle of 45° above the horizontal. What is the ratio of its horizontal range to its maximum height
a 71 tall graduated cylinder is filled with 21 of glycerin density 1260 and 50 of water. find the pressure difference
A hockey puck leaves a player's stick with a speed of 8.20m/s and slides 30.0m before coming to rest. Discover the coefficient of friction between the ice and the puck.
A parallel-plate air capacitor has a capacitance of 400pF and a charge of magnitude 0.150\muC on each plate. The plates are 0.600mm apart. What is the electric-field magnitude between the plates
One of the asteroids, asty, looks like an elongated potato. Surprisingly it has a tiny (compared to asty) spherical moon! Find the acceleration of gravity on the surface of this little moon
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to twice her weight as she goes through the dip.
An old-fashioned single-play vinyl record rotates on a turntable at 45.0 rpm. Determine what the angular velocity
A meter rule is balanced at the 70 cm mark by placing a 200-g mass at the 80 cm mark. At what point will the ruler balance if the 200-g mass is moved to the 90 cm mark?
A concave mirror has a focal length of 30 centimeter. Find what kind of image is produced by an object located 60 centimeter from the mirror
White light is incident on a soap film (n = 1.30) in air. The reflected light looks bluish because the red light (? = 684 nm) is absent in the reflection. What is the minimum thickness of the soap film?
The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s, increasing its pressure by 117 mm Hg, Calculate the total power output of the left ventricle
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