An airplane travels 80 m/s as it makes a horizontal circular turn which has a 0.80-km radius. What is the magnitude of the resultant force on the 75-kg pilot of this airplane? (Watch your units here) O 0.69 kN O 0.60 kN O 0.57 kN O 0.66 kN O 0.63 kN
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- Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an acceleration of 1.27 m/s2 and the person has a mass of 79.2 kg, what would the scale read? HINT: you need to take into account the acceleration due to gravity, as well as that of the elevator.An airplane travels 79 m/s as it makes a horizontal circular turn which has a 787 m radius. What is the magnitude of the resultant force (in Newtons) on the 57-kg pilot of this airplane?A newborn baby is placed on a scale and found to have a mass of 3.6 kg.What is the normal force acting on the baby? (g= 9.81m/s2)
- the rocket in a rocket powered airplane generates a steady force of 10,000 N in the foward direction and the plane moves horizontally at a constant velocity of 100 m/s through the air. The rocket engine is upgraded so that it now provides a foward force of 90,000 N. what is the new constant velocity of the plane> You cannot neglect air resistance in this question. 200 m/s 300m/s 400 m/s 600 m/s 900 m/sA bird of prey has dropped a mouse from its talons while flying overhead. The mouse is experiencing a gravitational force of 2N and an upward air resistance of 2N. What is the net force on the mouse?Which of these forces are generally constraint forces? normal contact force universal gravity (i.e. that decreases as the inverse square of the separation) constant gravity at the surface of the earth kinetic friction tension in a string compression force in your leg static friction force
- A 60 kg person stands on a bathroom scale in an elevator. What does the scale read if the person is accelerating upward at 1.5 m/s²? +588 N O 678N 498 N ΟΟΝTwo ropes are attached to a 40 kg object. The rope with a 50 N force points along a direction 25 degrees from the positive x-axis, and the other rope with a 50 N force points along a direction 190 degrees. What is the acceleration of the object in m/s/s? 30 8.88 4.75 13.39 7.89Two people each have a mass of 125 KG they are both in an elevator that has a massive 200 KG when the elevator begins to move the people in the elevator have an upward acceleration of 1.5m/s^2 what is the net force The X on the elevator as it accelerates upwards at 1.50 m/s^2?