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Suppose you moved a box across a rough horizontal surface with a 50 N force over a displacement of 10 m. If the frictional force at the interface was 10 N, how much work was done to the box?
A muon travels 60 km through the atmosphere at a speed of 0.9995c. According to the muon, how thick is the atmosphere
Three moles of ideal gas are in a rigid cubical box with sides of length 0.470m . Part A What is the force that the gas exerts on each of the six sides of the box when the gas temperature is 21.0 deg C? Part B What is the force when the temperature o..
The temperature of the surface of a certain star is 7500 K. Most hydrogen atoms at surface of the star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could ..
Assuming a forward contract was entered into on December 16, illustrate what would be the net impact on Car Corp's 2009 income statement related to this transaction?
Your friend is trapped on the roof of a burning building. He can jump to the next building by using the long-jump technique where he jumps 45 degrees to the horizontal. What do you advise him to do
The escape velocity of a bullet from the surface of planet Y is 1951 m/s. Calculate the escape velocity from the surface of planet X
A block that was initially at rest is sliding on a steel surface at 0.8 m/s for .2 m. Calculate the temperature rise from friction
the charging circuit for the flash system of a camera uses a 11010-6 f capacitor that is charged from a 240 v power
A 400 g lemming (does anyone remember that old computer game?) waddles horizontally off a small 4.90 m high cliff with a speed of 0.5 ms-1.How far from the base of the cliff will the lemming land? What will be the lemmings speed upon landing.
A tsunami of wavelength 215 km and velocity 550 km/h travels acrossthe Pacific Ocean. how much time do they have to run to safety
Determine the minimum velocity and angle required to shoot a projectile over a wall and land 14ft from origin. The wall is located 10ft from origin and is 26.5ft high and 0.5ft wide.
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.13 m. What is the magnitude of the initial acceleration of the third sphere
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