A pilot flies an airplane at a constant speed of 630 km/h in the vertical circle of radius 950 m. Calculate the force exerted by the seat on the 78-kg pilot at point A and at point B. B
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- A 5-kg small ball is doing circular motion in horizontal plane connected by two strings A and B tothe vertical wall, as shown in Figure 4. Given the speed of the ball 3.5 m/s at the location shown,determine the tensions, TA and TB, in the two strings.The super-container vessel has a total mass displacement of 23000 long tons. This vessel towed by a tugboat with α=20⁰ angle with horizontal. If a constant tension is applied as F=320 kN by the tugboat, please calculate the time to bring the vessel to a speed of 2 knot from the rest. At these low speeds, please neglect the hull resistance that created by the motion. Note: (1 long tons = 1016.05 kg, 1 knot=1.151 mi/hr= 0.5144 m/s)Determine the force necessary to accelerate a mass of 20 lbm at a rate of 60 ft/sec2 vertically upward.
- Packaging for apples is tested using a machine that exerts accelaration components ay = 10 m/s2 and ax = 5 m/s2, simultaneously. Select the correct FBD and kinetic diagram for this condition. A. B. C. D.A 1125 kg car and a 2250 kg pickup truck approach a curve on a highway that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 65.0 mi>h can safely round it regardless of the condition of their tires? Should the heavy truck go slower than the lighter car? (b) As the car and truck round the curve at 65.0 mi>h, find the normal force on each one due to the highway surface.Q2: An automobile with mass of 700 Kg goes around a 500 m-radius curve at a constant speed of SO Km/h. if the road is not banked, what frictional force must the road exert on the ties so that they will ‘maintain motion along the curve?
- A bucket which has a mass of 910g when empty and contains 3 litres of water is swung round in a vertical circle at 40r/min. If the cg of the bucket plus water is 1.05m from person's shoulder, determine the force on each of the two pins securing the handle of a bucket when a bucket is at top of the circleThe 18 000-kg F-35B uses thrust vectoring to allow it to take off vertically. In one maneuver, the pilot reaches the top of her static hover at 200 m. The combined thrust and lift force on the airplane applied at the end of the static hover can be expressed as F = (44t + 2500t2)i + (250t2 + t + 176 580)j, where F and t are expressed in newtons and seconds, respectively. Determine how long it will take the airplane to reach a cruising speed of 1000 km/hr (cruising speed is defined to be in the x-direction only).Block A with a weight of 100N (mA=10kg) moves to the right (vA=1 m/s) at the moment shown in the figure. Since the kinetic friction coefficient between the surface and block A is μk=0.2, find the speed of block B when it moves 2 meters its weight is 200N (mB=20kg)
- What is the moment of the linear momentum of the body?A space traveler weighs 800 N on earth. A planet having a mass of 5(10^25) kg and a diameter of 30(10^6) m orbits a distant star. Determine the weight W of the traveler on the surface of this planet.If a man weighs 210 lb at sea level, determine the weight W of the man in a satellite at an altitude of 200 mi.