A.)A 38.0 kg child is riding a playground merry-go-round that is rotating at 55.0 rev/min. What centripetal force (in N) is exerted if he is 1.25 m from its center? (Enter the magnitude.) B.)What centripetal force (in N) is exerted if the merry-go-round rotates at 4.5 rev/min and he is 8.00 m from its center? (Enter the magnitude.) C.) Compare each force with his weight. (Enter the ratios of the magnitudes.) F(a) w = F(b)

Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What…

A: a) Given, mass of a child is ma = 19 kg the radius of the path is, r=2m revolution speed is,…

Q: ASK YOUR TEACHER (a) A.15.0.kg.child is riding a playground merry-go-round that is rotating at 50.0…

A: The mass of the child is 15.0 kg. The speed of rotation is 50.0 rev/min. The distance of the child…

Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min.…

A:

Q: (a) Find the angular speed w at which it is spinning. (b) Find the centripetal acceleration, ac with…

A: (a) The relation between angular velocity and frequency is:

Q: 4. A centrifugal separator has a flat walled bowl, 10 cm in diameter and 10 cm high. If the bowl…

A: Centrifugal dewatering is widely used method for separating solid-liquid or liquid-liquid in several…

Q: A 80kg person sits 2m from the center of the rotating platform and the platform has a tangential…

A: Given data *The mass of the person is m = 80 kg *The distance of the center of the rotating platform…

Q: (a) A 15.0 kg child is riding a playground merry-go-round that is rotating at 30.0 rev/min. What…

A: Centripetal force -  Centripetal force is defined as the force in which the force makes a body…

Q: Two bugs, Buzz and Crunchy, are siting on a spinning disk on a horizontal plane. Buzz is sitting…

A: Given that:ω=38 rpm=38×2π60=3.98 rad/sμs=0.80 μk=0.60R=0.80 mmBuzz=2.0 kg The maximum value of…

Q: 31. A train runs along an unbanked circular track of radius of 30 m at a speed of 54 km/h. The mass…

A: Given data, Radius of track r = 30 m Speed of train, v=54 km/h = 54×518=15 m/s Mass of train, m=106…

Q: Problem 5: A wind turbine blade with a radius of 32 m and a mass of 690 kg is rotating at 0.75…

A:

Q: 5. A 2 m rope attaches a tire to an overhanging tree limb. A boy swinging on the tire has a…

A: Centripetal force (F)= mv2/r  So,  m = Fr/v2  m = (90×2)/2.22  m = 37.19 kg

Q: 3. You stand on a merry-go-round which is spinning at f = 0.25 revolutions per second. You are R =…

A: Solution:

Q: The 5.0 kg, uniform, horizontal rod is seen from the side. What is the gravitational torque about…

A:

Q: 19. Some people have the wrong idea that there is a force that tends to push the circling object…

A: We have to fill in the blanks from question 19 to 23 The answer is uploaded below

Q: An engineer is trying to determine the speeds at which she can swing a 400kg wrecking ball without…

A:

Q: A 24-inch diameter tire rotates 8.2 revolutions per second a. determine the angular speed of the…

A:

Q: wheel rotates without sliding relative to the ground, which has an angle (?) of 18 °. The wheel has…

A: Frictional force = μN

Q: In an amusement park rocket ride, cars are suspended from 4.25-m cables attached to the rotating…

A: According to Newton's 2nd Law in X-direction:∑Fx=Tsinθ=marTsinθ=mar------(1)we know,…

Q: (a) A 22.0 kg child is riding a playground merry-goround that is rotating at 40.0 rev/min. What…

A:

Q: A 26 kg child is riding a playground merry go round that is rotating at 38.4 rev/min. Part A) What…

A: The mass of the child is .The speed of rotation is .The distance of the child from the center of the…

Q: (a) A 15.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What…

A: Given, Mass of a boy, m = 15 kg distance of the child from the center of the merry-go-round, r =…

Q: 1. A ferris wheel with a 20 m radius and tangential speed of 4 m/s has all 70 kg of you riding it.…

A: Here, we use the dynamics of circular motion to get required.

Q: Q.2. Determine the speed with which the earth would have to rotate on its axis, so that a person on…

A:

Q: 24) A lab centrifuge runs at 6.00 × 103 revolutions per minute and has a radius of 15.0 cm. What is…

A: Please refe the below image for the calculations

Q: A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What…

A: given  mass m = 19 kg  frequency f = number of revolution per  second = number of revolution per…

Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What…

A: This problem can be solved using centripetal force concept

Q: 5A) How fast in RPM must a Centrifuge rotate if a particle 12 cm from the axis of…

A: A)R = 12 cm acceleration = 120000 g  = 120000 * 9.8 m/s2 = 1176000 m/s2Using formula for centripetal…

Q: A car of mass 1.43x10ʻkg goes around an unbanked, circular curve of radius 26.6m at a speed of…

A: Given data:  Mass (m) = 1.43×103 kg Radius (r) = 26.6 m Speed (v) = 13.4 m/s Required: The…

Q: (a) A 15.0 kg child is riding a playground merry-go-round that is rotating at 35.0 rev/min. What…

A:

Q: ?

A:

Q: (a) A 23.0 kg child is riding a playground merry-go-round that is rotating at 30.0 rev/min. What…

A:

Q: 3. Geosynchronous satellites orbits the Earth at a height 3.6 x 107 meters above the Earth's…

A: Given data The height of the satellite from the earth is given as h = 3.6 x 107 m. a) Now, the…

Q: A runner moving at a speed of 8.75 m/s rounds a bend with a radius of 25 m. a) Find the centripetal…

A: Given, tangential velocity is, vt = 8.75 m/s radius of path is, r = 25m   a) so centripetal…

Q: An engineer designs a freeway exit ramp so that cars can round the curve without relying on…

A:

Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What…

A: M= 19kg  Wa= 45 rev/min ,Va= 4.7123 m/s , ra= 3m  Wb= 3rev/min , Vb= 0.3141 m/s , rb= 8m