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Question: The mean diameters of X and Y, two planets in the same solar system, are 6.4 x 103 km and 1.2 x 104 km, respectively. The mass of X is 0.25 times the mass of Y. The value of g on Y is 8.8 m/s2. The mass of Y is 4.750 x 1024 kg. What is the escape speed on X?
In an organ pipe open at one end and closed at the other, the fundamental frequency emitted is 240 Hz. find the next overtone frequency
An all-terrain vehicle of 2000 kg mass moves up a 15 degree slope at a constant velocity of 6 m/s. The rate of change of gravitational potential energy with time is
A 60-g ice cube at 0°C is heated until 54 g has become water at 100°C and 6.0 g has become steam at 100°C. How much energy was added to accomplish the transformation
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 120 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
A pickup truck with mass 1.88x10^3 kg is traveling eastbound at +16.0 m/s, while a compact car with a mass of 8.56x10^2 kg is traveling westbound at -16 m/s. find the speed of the entangled vechicles after collision
an ideal physics text with a mass of 2.5g is placed on a rough incline. The coefficients of static and kinetic friction are .3 and .2 respectively. what is the magnitide of the acceleration of the text
A field mouse trying to escape a hawk runs east for 4.0 , darts southeast for 3.0 , then drops 0.50 down a hole into its burrow. What is the magnitude of the net displacement of the mouse
An electron has an initial velocity of 5.00 106 m/s in a uniform 3.00 105 N/C strength electric field. What is the direction of the electric field
Consider two identical particles of spin 1/2 that are confined in a cubical box of side L. Find the energy and wave function of this system
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. If the report meant 5.0 years of Earth time, how much time elapsed on the ship
oscillating voltage applied to an LRC circuit, V=110cos(120Ï€t), R = 1kΩ, L = 10mH, C = 4700 µF. find the phasor angle
You're using a rope to pull a sled at constant velocity across level snow,with coefficient of kinetic friction 0.050 between sled and the snow. The sled is loaded with physics books, giving a total mass of 21 kg.
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