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Consider four point masses: the 1.0 kg mass is 1.0 m from the origin, the 2.0 kg mass is 2.0 m from the origin, the 3.0 kg mass is 3.0 m from the origin, and the 4.0 kg mass is located 4.0 m from the origin. The acceleration due to gravity is the same everywhere. What is the x coordinate of the center of gravity for this system?
A) 2.0 m
B) 2.7 m
C) 3.0 m
D) 3.3 m
E) 3.8 m
the dipole moment of the water molecule is 6.1 10-30 c m. in an electric field a molecule with a dipole moment will
A 40 kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 30 degrees with the horizontal. Neglecting friction.
A 5-kg bowling ball (solid sphere, ) with a diameter of 22 cm is rolling without slipping on a smooth, level surface with a speed of 7.0 m/s. What is the ball's angular momentum
A portion of a soap bubble appears green ( wavelength = 500 nm invacuum) when viewed at normal incidence in white light. find the two smallest, non-zero thickness for the soap film
Which of the following actions is expected to increase the elastic modulus of a semicrystalline polymer? Select as many as appropriate. increasing the volume fraction of crystalline phase (vs amorphous phase) deformation by drawing (consider the el..
A person on a safari wants to take aphotograph of a hippopotamus from a distance of 76.0 m. What focal length lens should be used
At what angle should the road bank on the curve so that no frictional force is required by a vehicle travelling around the curve at the speed limit.
A thin uniform rod (length = 1.09 m, mass = 3.09 kg) is pivoted about a horizontal frictionless pin through one of its ends. What is the angular acceleration of the rod at the instant it is released
A diving board of length 3.00m is supported at a point 1m from the end, and a diver weighing 520 m stands at the free end . The diving board is of uniform cross section and weighs 270m.
The diffraction pattern of a uniformly illuminated double-slit aperture consists of bright fringes spaced 5.00 cm apart on a screen 2.00 m from the aperture. what is the slit width and slit seperation
if a tune LC circuit has a capacitance of 7. 10^-2 pF and an inductor of 100 uH, what is its natural frequency
A grandfather clock is controlled by a swinging brass pendulum thatis 1.0 m long at a temperature of30.°C. What is the length of the pendulum rod when the temperature drops to 0.0°C
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