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related to: rotation

1. ### bone question? 10 points!!?

The C1 vertebra (AKA. the atlas) and the C2 vertebra (AKA. the axis) These two bones from the atlanto-axial joint, which allows head rotation .

2 Answers · Science & Mathematics · 26/03/2021

2. ### Physics Question?

...mean that 1 part of the car's angular velocity is due to the planet's rotation , and 5.03 parts are due to the car's motion on the surface. ...

1 Answers · Science & Mathematics · 07/03/2021

3. ### A 9.35 kg block is being lowered down a ramp, inclined at θ = 39 degrees, by the 4.05 kg pulley. The pulley has a radius of 45.0 cm ?

... angular inertia to an equivalent tangential linear force. 2nd Law for rotation T = I T is torque I is moment of inertia...

2 Answers · Science & Mathematics · 27/11/2020

4. ### What is the minimum speed the bucket can travel so no water spills out?

Centripetal force must equal weight mV²/r = mg V² = rg = 0.98•9.8 V = 3.05 m/s Centripetal force f = mV²/r = mrω²    ω is angular velocity in radians/sec         1 radian/sec = 9.55 rev/min    m is mass in kg    r...

1 Answers · Science & Mathematics · 17/11/2020

5. ### plz help for this physics problem?

...approximately 1500 revolutions per minute, determine a) the frequency of the tire rotation in hertz f = n/60 = 1500/60 = 150/6 = 25 Hz b) the period of the tire rotation ...

3 Answers · Science & Mathematics · 04/11/2020

6. ### physics help?

11.1 * 32.2ft/s² = ω² * 29.0ft ω = 3.51 rad/s = 0.559 rev/s Hope this helps!

1 Answers · Science & Mathematics · 13/10/2020

7. ### Physics help please?!?

...require. total mechanical energy = ½mv² - GmM/r Ignoring the rotation of the Earth, the TME at launch would be TME = 6.674e−...

1 Answers · Science & Mathematics · 11/08/2020

8. ### An amusement park ride consists of a large cylinder that rotates around a vertical axis. People stand on a ledge inside. Once rotational  ?

a) See the enclosed diagram b) Given: T = 2.5 sec =>ω = 2π/T = (2 x 3.14)/2.5 = 2.51 m/s =>by v = rω =>v = 2.5 x 2.51 = 6.28 m/s Thus by mg = μ x N =>mg = μ x (mv^2/r) =>μ = gr/v^2 =>μ = (9.8 x 2.5)/(6.28)^2 =>μ = 0.62

1 Answers · Science & Mathematics · 25/07/2020

9. ### Write a sine function that models the height of a cabin for the duration of the ride. (more info in the description)?

2π/n = 30 ---> n = π/15 , assume the height of the centre = 550ft y=550+260 sin((π/15)t) , with t = time in minutes

1 Answers · Science & Mathematics · 13/07/2020

10. ### Trigonometry question?

...in Q1 Now, cos36° = cos(-36°) As -36° is a clockwise rotation , we require the equivalent anticlockwise rotation Hence, 360° + (-36°) = 324°......

3 Answers · Science & Mathematics · 08/07/2020