in. (a) What is the linear speed of the blade tip, in m/s?
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- A jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.55 km. (a) What is its centripetal acceleration in gs? (b) Suppose the pilot makes an emergency turn to avoid an approaching missile, subjecting himself to a centripetal acceleration of 10 gs, while flying at 565 m/s (supersonic). What is the radius, in km, of his turn? (This must be short-lived because fighter planes can only briefly endure such large accelerations without serious damage, and the pilot will soon black out at 10 gs.)A person drives a car around a circular, level cloverleaf with a radius of 85 m at a uniform speed of 10 m/sec. What is the acceleration of the car?Figure shows the total acceleration and velocity of a particle moving clockwise in a circle of radius 2.5 m at a given instant of time. At this instant, find: (a) the radial acceleration, (b) the speed of the particle and (c) its tangential acceleration.
- A woman rides a carnival Ferris wheel at radius 22 m, completing 4.1 turns about its horizontal axis every minute. What are (a) the period of the motion, and the magnitude of her centripetal acceleration at (b) the highest point and (c) the lowest point?A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular path the riders follow has an 8.00-m radius, at how many revolutions per minute are the riders subjected to a centripetal acceleration equal to that of gravity?A helicopter blade spins at exactly 110 revolutions per minute. Its tip is 5.50 m from the center of rotation. (For each answer, enter a number.) (a) Calculate the average speed (in m/s) of the blade tip in the helicopter's frame of reference. (b) What is its average velocity (in m/s) over one revolution?
- An airplane flying horizontally at a velocity of 138 m/s and at an altitude of 1500 meters when one of its wheels falls off. a) How long (in seconds) does it take the wheel to reach the ground? b) What horizontal distance (in meters) will the wheel travel before it strikes the ground?A helicopter blade spins at exactly 115 revolutions per minute. Its tip is 6.50 m from the center of rotation. (a) Calculate the average speed (in m/s) of the blade tip in the helicopter's frame of reference. m/s (b) What is its average velocity (in m/s) over one revolution? m/sQuestion 02: An object moving on a plane circular path with a constant speed has an outward radial acceleration. zero acceleration. an inward radial acceleration. a tangential acceleration. a constant velocity.
- I am completely stumped on this one.A scooter, starting from rest, accelerates at 2.72m/s^2 on a circular track with a 205m diameter. What is the elapsed time, in seconds, at which the centripetal acceleration of the scooter has the same magnitude as its tangential acceleration?The aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen and lower half of the body. The curved artery can be approximated as a semicircular arch whose diameter is 4.3 cm. If blood flows through the aortic arch at a speed of 0.39 m/s, what is the magnitude (in m/s2) of the blood's centripetal acceleration? トーD- Blood from Blood to heart abdomen