2. Object's mass= 2 kg, F1 = 10 Newton, F2 =1 Newton. The magnitude and direction of the acceleration is AF1 F2 60°
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- Part A 1. A plane is heading due cast. Will its ground speed be greater than or less than its airspeed, and will its flight path be north or south of east when the wind is from a. N b. S 80° W c. S 30° E d. N 80° EThe particle shown below is at rest, where F₁ = 6.95 N, and F₂ = 10.4 N. Find the magnitude and direction of F. magnitude direction ° counterclockwise from the +x-axis F₁ 30.0° 45.0° F₂ 06. A frictionless cart sits on a ramp that is tilted down at an angle of 30.0° from horizontal. The cart is released from rest, with an initial position of * = [0 m] + [0.500 mlj It rolls down the ramp (down and to the right) once it is released, and it's acceleration points down the ramp, parallel to the ramp, with a magnitude of 4.90 m/s². Use a coordinate system where up is +y and to the right is +x. a. What are the x- and y-components of the cart's initial velocity? b. What are the x- and y-components of the cart's acceleration? c. Use your answers to parts a and b to find the cart's position and velocity 1.50 seconds after it is released. Write your answers in unit vector notation.
- 9. A ball is thrown into the air and follows a parabolic trajectory. At the highest point in the trajectory. Select one: a. The velocity is zero, but the acceleration is not zero b. both the velocity and acceleration is not zero c. the acceleration is zero, but the velocity is not zero d. neither the acceleration nor the velocity are zeroA cannon is placed on high ground 24 ft above a target that is 1000 ft away horizontally. It fires a projectile upward at a 45° angle with an initial speed of vo ft/s. What value of vo is necessary for the projectile to hit the target? The acceleration due to gravity is g= 32 ft/s2. Select one: a. Vo 150 Ob. Vo V500 с. Vo 100/2 d. Vo 125 2 e. Vo 25011.Determine the acceleration a. The masses are: m, = 1 kg, m2 = 2 kg, m3 = 4 kg %3D The coefficient of kinetic friction between mass 1 and the incline is M1 = 0.4 The coefficient of kinetic friction between mass 2 and the flat section is Hz = 0.3 a T1 T2 a Tj m2 T2 m1 H2 a m. H1 30°
- A small object of mass 0.500 kg is attached by a 0 0.650 m-long cord to a pin set into the surface of a frictionless tabletop. The object moves in a circle on the horizontal surface with a speed of 6.91 m/s.1. What is the magnitude of the radial acceleration of the object?2. What is the tension of the cord?5. The pilot of an aircraft flying north with respect to the ground, finds a wind blowing at 40 km / h to the east. If your speed relative to the ground is 80 km / h, what is the speed of your airplane relative to the air? choose an answer A B C D E 89 km/h 85 km/h 81 km/h 76 km/h 72 km/h2. A car is traveling a road that includes two sides of a rectangle with the sides a and b with a constant speed. What is the speed if the magnitude of the average velocity of the car is v?