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stronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.13 Earth years in its circular orbit around its sun, which is a star with a measured mass of 3.19 × 1030 kg. Find the radius of the exoplanet\'s orbit.
Illustrate what is the highest point above the water she reaches? If she walked off the diving board rather than springing up would she be travelling faster, slower, or at teh same speed when she hits the water?
HCl has a dissociation energy of De = 7.41x10^-19 J and a harmonic vibrational frequency of 2900 cm-1. calculate the anharmonicity constant
Consider a sample of diatomic ideal gas which is taken through the following cycle: A constant pressure process that doubles the volume of the gas, What is the efficiency of this cycle
A tiny drop of dye is put in a very still tub of water, calculate the average distance traveled and the standared deviation after: one step, one minute and one year (3.17x10^7 sweconds)
Two parallel straight wires are 10 cm apart carry currents in opposite directions. Determine the magnitude and direction of the magnetic field halfway between the wires
Calculate the change in the melting point of naphthalene for one atmosphere rise in pressure given that its melting point is 80 C. Latent heat of fusion is 4563 cal/mol and increase in volume on fusion is 18.70 cm3 per mol and 1 calorie = 4.2×10^7..
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. Illustrate what force does the block exert on the bullet? What is the time it takes?
Object O1 is 15.9 cm to the left of a converging lens with a 10.2-cm focal length. What is the overall magnification of this system
he rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 2000 MeV. Find the speed of the proton
A loop of diameter 21 cm is placed in a uniform electric field of magnitude 7.4 102 N/C. What is the electric flux through the loop when the electric field is perpendicular to the plane of the loop
A 20-N horizontal force pushes an object along a rough floor so that the object moves with a constant velocity of 7.0 m/s
A uniform wooden plank of mass 15kg and total length 10m rests on two supports. Find the forces of the two supports on the plank
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