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A woman on a rocket traveling at 0.35c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.62c. How fast is the meteor moving with respect to Earth?
A satellite of mass 6000 kg orbits the Earth in a circular orbit of radius of 9.0*10^6 m (this is above the Earth's atmosphere). Using the momentum principle, find the speed of the satellite in orbit
A large piece of cork weighs 0.295 N in air, he spring scale reads 0.903 N. Find the density of the cork
A 1.00 uF capacitor is connected in parallel with a 2.00 uF capacitor. The 1.00 uF capacitor carries a charge of +10.0 uC on one plate, Find the equivalent capacitance of the two capacitors
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 31.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1230 Hz. The bird-watcher, however, hears a frequency of 1260 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A 1000kg car moving 40m/s skids to a stop. During the skid, the only force is the frictional force between the tires and the road, What is the initial kinetic energy of the car
A sinusoidal transverse wave travels along a long stretched string. The amplitude of this wave is 0.0859 m, its frequency is 2.41 Hz, What is the shortest transverse distance between a maximum and a minimum of the wave
an electron in an x-ray machine is accelerated through a potential difference of 1.00 X 10^4 V, What is the kinetic energy of the electron
A patio swing is suspended by two springs, each of which has a force constant of 465 N/m, Find the mass of a person sitting on the swing oscillating up and down at a frequency of 0.515 Hz
A heat pump (a heat engine run backwards) extracts energy from cold air outside (-5.00 degrees celsius), Determine the amount of heat added to the inside air per joule of work done by the motor
Consider the process AB is this TS diagram for 2 moles of SO3 with all degrees of freedom active. calculate the heat input to the gas
If the velocity of the car is increased to 50 km/ hour, what is its kinetic energy. if the velocity is improved to 75 km/ hour, what is its kinetic energy.
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