Objects move toward the front of the car
When the car you are riding in stops suddenly, heavy objects move toward the front of the car. Why does a helium-filled balloon move toward the rear of the car? Please state any laws of motion, etc governing this answer.
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The highest barrier that a projectile can clear is 13.1 m, when the projectile is launched at an angle of 14.0° above the horizontal. What is the projectile's launch speed?
For the given pair of events, classify the two events as independent or dependent. driving 30mph over the speed limit, getting a speeding ticket.
A gas turbine has a three-stage compression with inter-cooling and a three-stage expansion with re-heating. Air enters the compressors at 300Kand100kPa.
The third law entropy for gas at STP is 270 J/K/mole. Calculate delta U and delta G for the process and also the initial state of the gas.
Determine the number of outcomes in the event. Decide whether the event is a simple event or not. You randomly select one card from standard deck. event b is selecting a five.
Calculate and plot the response of a system with transfer function G(s)=100(s^2+2)/(s^3+s^2+5s+1) to the input, u(t)=10exp(-t)sin(5t), assuming zero initial conditions.
A heat engine exhausts its heat at 340°C and has a Carnot efficiency of 39%. What exhaust temperature would enable it to achieve a Carnot efficiency of 47%?
The nominal composition by weight of this material is as follows: carbon 0.08 percent; chromium 19 percent; nickel 10 percent; iron the remainder. Calculate the macroscopic absorption cross section of SS-304 at 0.0253 eV.
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