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The mean distance of Mars from the Sun is 1.52 times that of Earth from the Sun. From Kepler's law of periods, calculate the number of years required for Mars to make one revolution about the Sun.
Determine the mass of Earth from the period T and the radius r of the Moon's orbit about Earth. T = 27.3 days and r = 3.82 ? 105 km.
A sample of hydrogen atoms is irradiated with light of wavelength 50 nm, what is the kinetic energy (in electron volts) of these photoelectrons
A spaceship(Mo = 10,000 kg & Lo = 42m) is observed to be 42.2m long while traveling towards earth Determine the speed of the space ship. Determine the radio frequency emitted by the ship
A beam of particles is directed at a 0.017-kg tumor. There are 2.1x10^10 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor in 19s
q1. a car takes 9 s to go from v 0 to v 55 ms at about constant acceleration. if you wish to find out the distance
A 2.0-nF parallel plate capacitor with a sheet of mylar (k = 3.1) filling the space between the plates is connected to a 90 V battery. Determine the change in the charge on one of the plates
What range is appropriate
Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. N (toward the earth)
A rectangular container measuring 24 cm 48 cm 55 cm is filled with water. What is the mass of volume of water in kilograms.
A long solenoid has a length of 0.69 m and contains 1395 turns of wire. What is the magnitude of the magnetic field within the solenoid
You have a 1200W microwave. When you put a cup of water in for 8 minutes only half evaporates. How efficient is your microwave
A small moon of a giant planet has an orbital period of 1.74 days and an orbital radius of 4.02 105 km. determine the mass of the planet
Consider the system described in the example with m1 = 0.51 kg and m2 = 0.40 kg. If F is sufficiently large, it is clear that the block will accelerate to the right. Find the range of F that allows the system to remain at rest
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