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Using the alternate form of Newton's second law, compute the force (in N) needed to accelerate a 1,220 kg car from 0 to 13 m/s in 14 s. The change in momentum is the car's momentum when traveling 13 m/s minus its momentum when going 0 m/s. (Enter the magnitude.)
The gas shell of a planetary nebula is expanding (away from the central star) at 20 km/s. The nebula currently has a diameter of 1 light year. What is the age of the planetary nebula(time since the gas was ejected)?
Use the force or spring constant from part (a), compute the potential energy stored in the spring when the spring is displaced 2.40 cm
A speedboat increases its speed uniformly from 20 m/s to 30 m/s in a distance of 200m. Find (a) the magnitude of its acceleration and (b) the time it takes the boat to travel the 200-m distance.
A tank having a volume of 0.100 m3 contains helium gas at 135 atm. How various balloons can the tank blow up if each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.50 atm.
Red blood cells have a particular gravity of 5.00 and a diameter of about 7.50 . If they are spherical in shape (which is not quite true), calculate what is the mass of such a cell
suppose that resting on your non-conducting desktop is a tiny piece of paper m 0.08 g that happens to carry a charge of
a 15-kg block rests on a level frictionless surface and is attatched by a light string to a 5.0-kg hanging mass, what is the tension in the connecting string
In an L-R-C series circuit, the resistance is 420 ohms, the inductance is 0.300 henrys, and the capacitance is 1.20×10?2 microfarads. what maximum voltage amplitude can the source have
two parallel metal plates have area a 255 cm2 and are separated by l 0.50cm. they have a potential difference of 0.25
In a 45° - 90° - 45° prism with a ray of light entering and exiting on the long side of the prism after undergoing two total internal reflections. Determine the minimum index of refraction of the prism in order for this to occur
A series RLC circuit has R = 70 ohm, L = 22 mH, and a resonant frequency of 4.0 kHz. Find what is the impedance of circuit at resonance
If the Volume of the vessel is 20 then we know that the maximum amount of displaced fluid will be [v] units and when you place the vessel in the water there will be [u] units of fluid displaced, which will flow into the graduated cylinder.
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