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A hypothetical diatomic molecule is composed of two identical atoms of mass 12 u. If the wavelength emitted when a L = 2 to L = 1 rotational transition occurs is 2.19 mm, what is the rotational inertia?
q1. a 3000-kg blue truck travelling east collides and sticks to a 4000-kg orange truck travelling with a speed of 7.3
Scientists want to place a 4200 kg satellite in orbit around Mars. What is the force of attraction between Mars and the satellite
A cannonball launched with an initial velocity of 161 m/s at the angle of 45 degrees follows a parabolic path and hits a balloon at the top of its trajectory. Neglect air resistance, how fast is it going when it hits the balloon? What is the accelera..
The angular momentum of Earth is constant
An ideal gas has its pressure cut in half slowly, while being kept in a container with rigid walls. How much work was done during this process
Calculate the potential energy of a rock with a mass of 55 kg while sitting on a cliff that is 27 m high.
You are traveling on an airplane. The velocity of the plane with respect to the air is 130 m/s due east. What is the Velocity with respect to the ground
A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..
A gasoline engine has a power output of 155kW (about 2.08×105hp ), Its thermal efficiency is 26.0%, How much heat must be supplied to the engine per second
Three equal point charges, each with charge 1.15 , are placed at the vertices of an equilateral triangle whose sides are of length 0.600 . What is an electric potential energy of the system? (Take as zero the potential energy of the three charges ..
An oil film with n = 1.45 floats on water. It is illuminated by white light from the sun at noon. If the film is 280 nm thick, find the wavelength and color of visible light that is most strongly reflected upward to an observer positioned above th..
A cylinder with a piston contains 0.250 mol of oxygen at 240000 pascal and 355 kelvin. The oxygen may be treated as an ideal gas. The gas first expands isobarically to twice its its original volume. It is y then compressed isothermally back to its..
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