Determine the spring constant which is needed to stop car
A car of 2000 kg ore rolls 50.0 m down a frictionless 10.0 degree incline. When there is a horizontal spring at the end of the incline, determine the spring constant which is needed to stop the ore car in distance of 1.00 m?
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Determine the concentration of the final solution which is having a bit of trouble with this question on a homework handout: A 46.2 mL, 0.568 M calcium nitrate solution is mixed with the 80.5mL of a 1.396 M calcium nitrate solution.
At what rate is person's money changing (in % per day) if 1/10 of money is spent each day? For previous question, how long will be required for 1/2 of money to be spent?
A uniform magnetic field is directed in the negative or positive z direction (should be determined). The circular loop of wire wrapped 25-times is positioned in the x-y plane and its radius transforms from 1.8 meters to 4.7 meters in a time of 3 s
Assume that the investment of $200,000 grows to $240,000 in 2 years. At this rate, how long will be needed for $200,000 to double?
When you want to store two bar magnets, what orientation must they encompass with respect to each other so as not to weaken their magnetic fields?
One mole of two ideal monatomic gases, neon and helium are separated in a partitioned pot where each side of the pot is 22.4L and the temperature of the system is 273 K and the partition is removed and the gases mix.
Determine how deep into the ocean does this block encompass to be lowered to attain the volume reduction of 0.1%?
Approximate the density of Earth, given that the satellite close to the surface orbits having a period of around 85 min. Compute the speed of the satellite in near-Earth orbit. (Use radius of the Earth R = 6400km.)
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