N5B.8 Suppose a glider slides without friction down a tilted air track. If it takes 3.0 s to slide the 1.5-m length of the track, at what angle was the track inclined? (Hint: You can use the result lepoitionen of example N5.3.) pa ad
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- . a. Consider two parachutists, a heavy person and a light person, who jump from the same altitude with parachutes of the same size. Which person reaches terminal speed first? Which person has the greater terminal speed? Which person reach the ground first? If there were no air resistance, as on the moon, how would your answers to these questions differ?m R A racing greyhound can run around curves at high speed. Suppose the radius of a semicircular turn on a dogtrack is 21.6 m, and the speed of a greyhound is constant at 15.1 m/s; assume the dog's mass is 22.7 kg. What is the acceleration of the greyhound on the turn? (in m/s^2) OA: 4.487 OB: 5.070 OC: 5.729 OD: 6.474 OE: 7.316 OF: 8.267 OG: 9.342 OH: 10.556A fighter pilot, whose mass is 65 kg, completes a vertical loop of radius R=450m with a constant speed v=261 m/s. At the top of the loop, determine the ratio of the apparent weight of the pilot to his regular weight, .WA/W =? Express your answer in SI units with zero decimal places. Take g=9.8 m/s². R
- Part A A block lies on a plane raised an angle e fram the horizantal. Three forces act upon the block: Fw, the force of gravity. Fn. the narmal force; and Fr. the force of friction. The coefficient of friction is large enaugh to prevent the block from sliding (Figure 1). Consider coordinate system a, with the x axis along e plane. Which forces lie along the axes? O Ée arly O F, anly O F. only O ři and F. O ř and F. O řa and F. O ř and řa and ř. Submit Requect Ancwor Part B Which forces lie along the axes af the coordinate system b, in which the y axis is vertical? O F anly O F. anly O F. only O F and P, O ř and F. O F, and F. O řr and Fa and Ě, Submit Request Answer Usually the best advice is to choose a coordinate system so that the acceleration of the system is directly along one of the coordinate axes. If the system isn't accelerating, then you are better off choosing the coordinate system with the most vectors along the coordinate axes. But now you are gaing to ignore that advice.…10. If two objects are dropped in an environment without air resistance, what will occur? Both of the objects will fall with constant velocity O The lighter of the two objects will fall faster than the heavier. O The heavier of the two objects will fall faster than the lighter. O The objects will accelerate downward at the same rate.Which kid will reach the bottom first if they both leave the slide at the same instant?
- help with physics hwHow do I know if this object can remain at rest? Please explain step-by-step.A concrete highway curve of radius 80.0 m is banked at a 13.0° angle. Part A What is the maximum speed with which a 1900 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.) Express your answer with the appropriate units. Vmax = Submit Di μA Value Request Answer Units ?