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GIVEN THAT A CARBON ATOM CAN BE ASSUMED TO HAVE A DIAMETER OF 0.22NM, ESTIMATE THE DIAMETER OF A C60 MOLECULE?
A loaded penguin sled weighing 80.5 N rests on a plane inclined at angle = 18.3° to the horizontal, What is the least magnitude of the force
A pendulum clock is accurate on earth, where the period of its pendulum is 1.00 s. During a 2 h interval, what would be the elapsed time shown on the clock
Consider a cloud that, when viewed from a point on the surface, occupies the portion of the sky defined by: pi/4
An object is placed 10 cm in front of a concave mirror whose focal length is 17 cm. The object is 3.02 cm tall. Using a ray diagram drawn to scale, gauge the location and the height of the image. The mirror should be drawn to scale.
Determine the escape velocity from the Sun for an object at the Sun's surface (r = 7.5 × 105 km, M = 2.0 × 1030 kg)
A hydrogen atom has a single proton at its center and a single electron at a distance of approximately 0.0533 nm from the proton
The bullet becomes embedded in the block. if the coefficient of kinetic friction between the block and surface is .65 what was the speed of the bullet at once before impact.
A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, compute the linear momentum of the electron
What is the primary difference between a quasi-experimental and a true experimental design and why would you use which and when?
The strength of interatomic bonding in two elemental crystalline materials is approximately the same, but Material #1 is composed of atoms that are approximately 4 times heacier compared to Material #2.
A monatomic ideal gas is held in a thermally insulated container with a volume of 0.1000 m^{3}. The pressure of the gas is 110 kPa, and its temperature is 327 K.
a 210-kg projectile fired with a speed of 142 ms at a 69.0 degrees angle breaks into three pieces of equal mass at the
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