13. A model airplane of mass 0.90 kg flies with a constant speed of 20 m/s...
The model airplane has a mass of 0.90 kg and moves at constant speed on a circle that is parallel to the ground. The path of the airplane and the guideline lie in the same horizontal plane because the weight of the plane is balanced by the lift generated by its wings. Find the tension in the 17 m guideline for a speed of 19 m/s.
006 10.0 points A model airplane of mass 0.634 kg flies in a horizontal circle at the end of a control wire of length 45.4 m with a speed of 48.2 m/s. The forces exerted on the airplane are the pull of the control wire, its own weight, and aerodynamic lift, which acts at 29.7° inward from the vertical as shown in the figure litft Compute the tension in the wire if it makes a constant angle of 29.7 with...
Question 14 An airplane flies in a horizontal circle at a constant speed of 172 m/s. Banked for the turn, the wings of the plane tilt at 37.7o to the horizontal. Assume the lift force that keeps the plane aloft acts perpendicular to the wings. Find R, the radius of the circle in which the plane is flying, in km. HINT: This plane is not in equilibrium!
The model airplane in Figure 5.6 is flying at a speed of 24.5 m/s on a horizontal circle of radius 17.0 m. The mass of the plane is 0.994 kg. The person holding the guideline pulls it in until the radius of the circle becomes 12.3 m. The plane speeds up, and the tension in the guideline becomes four times greater. What is the net work done on the plane?
An airplane flies horizontally with a constant speed of 158.0 m/s at an altitude of 1320 m. A package is dropped out of the airplane. Ignore air resistance. The magnitude of the gravitational acceleration is 9.8 m/s2. (a) How long (in seconds) is the package in the air before hitting the ground? (b) If the package is released from the airplane at x0 = 0, at what x (on meters) does it hit the ground?
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s along a horizontal road where a frictional force is 200N. Calculate the power developed by the engine. If the car now moves up an incline at the same constant speed, calculate the new power developed by the engine. Assume that the frictional force is still 200 N and that sin(theta)=1/20 where theta is the angle of the incline to the horizontal. Problem 2: An...
(5 marks) You swirl a 1.65 kg model airplane in a horizontal circle at a constant speed on 6.50 m/s. The radius of the circle is 74.0 cm. Calculate the magnitude of the net force on the airplane.
A mass of 18.4 kg hangs from a 16.0 m rope it takes 0.545 s for a wave to propagate along the rope (remember, waves travel with constant speed). a. What is the mass of the rope? What is the wave speed if: b. The mass of the hanging mass is doubled. c. The mass of the rope is doubled. Hw #3 Due Tuesday Jan 22 A mass of 18.4 kg hangs from a 16.0 m rope lt takes a...
A ball of mass m=6.9kg moves in a horizontal circle at a constant speed. It is supported by a single rope of length L=5.0m. The rope makes a constant angle of 8=16.4 degrees with the vertical as shown What is the speed of the mass? Answer in
1) A cyclist rides around a circle track with a constant speed of 8 m/s. If the radius of the track is 150 m then what acceleration does it experience? 2) A 75 kg tightrope walker is in the middle of the rope. The tightrope sags in the middle and creates a 30 degree angle below the horizontal. What is the tension in the cable? 3) A 0.75 kg yo-yo is spun around at a constant speed in a circle....