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If the density of the asteroid is 0.8205 g/cm3, Compare your calculated density to the density of liquid water. Would you expect this asteroid to float or sink in water based on your calculations? What else do you need to take into consideration when making your decision? Explain your answers fully.
A liquid (p = 1.35 g/cm3) flows through two horizontal sections of tubing joined end to end. Calculate flow speed and pressure in the smaller section
A wheel of radius .1m and mass of 20kg rotates at 100rpm. what constant angular acceleration must be applied to the wheel
question once ignited a small rocket motor on a space craft exerts a constant force of 10 n for 7.80 s. during the burn
1. An alien starship is 0.20 lightyears from Earth and traveling at 0.70c, as observed from Earth. This ship sends out a smaller scout ship to see if the inhabitants of Earth are friendly. This scout ship travels at 0.90c as seen from the stars..
A train pulls away from a station with a constant acceleration of 0.40 m/s2. What is the minimum constant speed at which she can run
The charge carried by an electron is -1.60×10-19 C. Suppose that an electron moves through a voltage of 120V from the negative polarity to the positive polarity. How much energy is transferred? Does the electron gain or lose energy?
Show that Brewster's Law (where the incident angle θi=θp) and Snell's Law together imply that θp + θ2 = 90 degrees.
A 30-g silver teaspoon at room temperature 200C is placed into 200 g of hot tea 1000C. No heat escapes the spoon-tea system. You assume that the specic heat of tea is the same as that of water.
a van de graaff generator has a dome of radius 2.0 m. a motor causes a charged insulating belt to travel continuously
A rookie quarterback throws a football with an initial upward velocity component of 16.5m/s and a horizontal velocity component of 18.1m/s. How far has it traveled horizontally during this time
At Sea World, a 32.0-kg seal slides down aramp into the pool below. What is the work is done by kinetic friction
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. The angle of refraction is 30.760° for the violet light and 31.280° for the red light. The index of refraction for violet light in plastic..
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