number of forces in plane: centripetal force: Are all forces balanced? How much force is acting on the astronaut's back? unit What is the centripetal net force on the astronaut? unit What is the astronaut's centripetal acceleration? unit What is the astronaut's linear speed? unit What is the astronaut's angular speed? rad/s rpm
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Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched…
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- A centrifuge in a medical laboratory rotates at an angular speed of 3,400 rev/min. When switched off, it rotates through 52.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge. rad/s2A centrifuge in a medical laboratory rotates at an angular speed of 3,800 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge. rad/s2A centrifuge in a medical research laboratory rotates at an angular speed of 3,650 rev/min. When switched off, it rotates 54.0 times before coming to rest. Find the constant angular acceleration of the centrifuge (in rad/s2). Consider the direction of the initial angular velocity to be the positive direction, and include the appropriate sign in your result. rad/s2
- Which among the following statements is CORRECT? A.) The value of free-fall acceleration g = 9.80 m/s2 is equal to the constant of universal gravitation G. B.) The centripetal force on a rotating object remains constant regardless of the magnitude of the object's angular speed. C.) Free-fall acceleration, g, stays the same irrespective of altitude. D.) Centripetal acceleration and tangential acceleration are perpendicular with respect to each other.5A) How fast in RPM must a Centrifuge rotate if a particle 12 cm from the axis of rotation is to experience an acceleration of 120,000 g’s ? Draw the forces in a schematic please. 5B) How many RPM would a 25 m diameter Ferris Wheel need to make for the passenger to feel weightless at the topmost point. Draw Schematic and show all applied forces at the top of the wheel.how to do?
- Calculate the magnitude of the acceleration of a bicycle at the instant when one of its wheels rotates at 12 rad/s (radians per second); the radius of the wheel is 0.4meters. A.) a =- 3 rad/s2 B.) a = 57.6 rad/s2 C.) a = 7 rad/s2 D.) a = 9 rad/s2The period of rotation of a Ferris Wheel is 2 minutes and 45 seconds. Find the tangential speed of the passengers if the radius of the wheel is 25m. a.0.35 m/s b.0.75 m/s c.0.83 m/s d. 0.95 m/s e. none of the aboveA cyclist turn with a radius of 50m at a speed of 10m/s 1. What is the cyclist acceleration? 2. If the cyclist and cycle have a combined mass of 120 kg, what is the force causing them to turn?
- 17. A satellite orbits the Earth near the equator at a distance of 300 km from the Earth's surface. Use your determination of the tangential velocity of the satellite as it orbits the Earth to calculate its orbital period. a. 14 minutes b. 84 minutes 90 minutes None of these are correct C. d.A car of mass m=920.0 kg is taking a turn of radius r= 38.4 m on a banked curve. If the car is moving at the critical speed v= 15.4 m/s, what is the incline angle of the curve, a? Your Answer: +Z Give your answer in degrees to one decimal place. Answer rear view of car on a bank α rA centrifuge in a medical laboratory rotates at an angular speed of 3,800 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge. rad/s2