A young boy swings a yo-yo horizontally above his head so that the yo-yo has a cen- tripetal acceleration of 220 m/s². If the yo-yo's string is 0.26 m long, what is the yo-yo's tangential speed? Answer in units of m/s.
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: a) Angular speed = (88.2/4.95 )1/2 = 4.22 rad/s
Q: a train travels along the curve shown defined by the spiral r = (1000 / θ), where r is measured in…
A:
Q: The formula v = 0.03 t can be used to calculate the tangential acceleration of an automobile moving…
A:
Q: A ball of radius 0.200 m rolls with a constant linear speed of 2.02 m/s along a horizontal table.…
A:
Q: An 18-cmcm-long bicycle crank arm, with a pedal at one end, is attached to a 20-cmcm-diameter…
A: Given value--- 18-cmcm-long bicycle crank arm. cyclist riding this bike increases her pedaling rate…
Q: A wheel with radius 0.465 m0.465 m rotates 5.035.03 times every second. Find the period ?T of this…
A: Given data: Radius of wheel (r) = 0.465 m Number of rotations per second = 5.03 Required: The…
Q: A car starts from rest and accelerates 0.800 m/s2 to the right for 20.0 s. (The tires do not slip.)…
A: Given, a = 0.8 m/s2 t = 20 sec r = 0.330 m Let the distance travelled by the car be S We will…
Q: Macmillan A newly discovered planet has a mean radius of 1350 km. A vehicle on the planet's surface…
A: Given Mean radius of Planet is Rp =1350 km Speed of vehicle moving in the same direction of Planet's…
Q: A child sits on a merry‑go‑round that has a diameter of .5.00 m. The child uses her legs to push the…
A:
Q: at amusement park a driver demonstrates a loop to loop trick with a car inside a vertical circular…
A:
Q: A high-speed drill rotating counterclockwise at 2000 rpm comes to a halt in 3.0 s. a) What is the…
A:
Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…
A:
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s
Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min, clockwise (when…
A:
Q: An athlete swings a 5.50-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A:
Q: The car A has a forward speed of 19 km/h and is accelerating at 3.7 m/s². Determine the velocity and…
A:
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high- g…
A:
Q: A person pushes a merry-go-round from rest to a final angular speed of 0.540 rev/s with constant…
A: According to the given data ωf=0.540rev/s θ=2rev ωi=0 { Initially at at } We need to find…
Q: A rock tied to the end of string swings at a constant angular rate. You measure the rock to pass…
A: Given data: Angular displacement (θ) = 10π radians Time (t) = 5.30 seconds Length of the string (L)…
Q: An advertisement claims that a centrifuge takes up only 0.127 m of bench space but can produce a…
A:
Q: NASA uses large centrifuges to study the effects of large forces on astronauts prior to their going…
A: Given Centirpeta acceleration (ac)= 20.0 g = 20.0 x 9.81 = 196.2 m/s2 Radius (r) = 9.5 m
Q: An ultracentrifuge accelerates from rest to 9.81 × 10³ rpm in 2.23 min. What is its angular…
A:
Q: is
A:
Q: An 8.0 m radius merry-go-round completes one revolution every 7.0 s. (a) What is the angular…
A: Given data: Radius (r) = 8.0 m Time period (T) = 7.0 s Required: The angular velocity, linear…
Q: A wheel with a tire mounted on it rotates at the constant rate of 3.43 revolutions per second. A…
A:
Q: an object of mass 0.5 kg moving in a circular path of radius 0.25 m experiences a centripetal…
A: Given value--- mass = 0.5 kg. radius = 0.25 m. centripetal acceleration = 9 m/s2. We have to…
Q: 0 cm undergoes constant acceleration from rest to 5.1 rad/s in 2.6 s for a dust particle sitting on
A: Given-Radius R=60 cm=0.6 mInitial angular speed ω0=0 rad/sfinal angular speed ω'=5.7 rad/stime t=2.6…
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: Given data: Acceleration, a=88.2 m/s
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.10 min. (a) What is its angular…
A:
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.50 min. (a) What is its angular…
A:
Q: an Athlete swings a 5.1 kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Here ,omega = 0.7rev/s R=1.2m Speed ,V=omega×R V=omegaRsin90°;
Q: An astronaut is being tested in a centrifuge. The centrifuge has a radius of 10.0 m and, in…
A:
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.00 min. (a) What is its angular…
A:
Q: ao In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the…
A: Let ar denote the centripetal acceleration, ω denote the angular velocity of the trainee, r denote…
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: (a) The centripetal acceleration in terms of angular speed is given by, ac=rω2 Here, r is the radius…
Q: A car drives in a circle of radius 100 m with a constant angular velocity of 7πrads7πrads. The car…
A: The relation between the angular displacement and velocity is given by θ=ωt From the question we…
Q: A bug on the rim of a 10-in.-diameter disk if the disk moves from rest to an angular speed of 78…
A: The bug is moving with the disk. Initially the bug is at rest. We are given the final angular…
Q: As a marble with a diameter of 1.6 cm rolls down an incline, itscenter moves with a linear…
A: Given: The diameter of the marble = 1.6 cm The radius of the marble = 0.8 cm Linear acceleartion =…
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.50 min. (a)What is its angular…
A: SOlution: Given that n = 100000 rpm t = 3.5 min
Q: A disk iwth a 0.45 m radius rotates from rest with a constant angular acceleration of 0.24 rad/s2,…
A: Radius of object is Angular acceleration is Initially object is at rest Time is Note:Find:(a)…
Q: A diver is diving from a height of 20 m. First, he makes a rotation (body tucked). At the end of…
A: Using the kinetic equation, ∆y=vot+12at2 Here, initial velocity vo=0 for no initial vertical…
Q: The crankshaft in a race car goes from rest to 3000 rpmrpm in 3.5 ss. What is the angular…
A: Given: The initial angular speed is 0 rad/s. The final angular speed is 3000 rpm. The time interval…
Q: The equation between displacement 0 of a rotating body moving with constant angular acceleration a…
A: The right option is 4th.
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
Q: A wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 13 s. Its blades…
A: We have to use some basic formula here
Q: You have a 1.00 m long string with a bob attached to its end. You are swinging it around your head,…
A: Given: Radius of string, r = 1 m Time of complition of 1 revolution, t = 2 sec
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
