A section of a rollercoaster track involves an arc, as shown below: If the fastest the carriage can traverse this section of the track without its wheels losing contact is 8.50m⋅s−1, what is its radius of curvature? Give your answer in meters to three significant figures, without including a unit.

What equation is used to calculate the weight of an object on a plant ?

Distinguish between linear momentum and angular momentum

An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)