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1. ### Why earth drags a helicopter along when the helicopter hovers in the air and it's stationary?

...speed, the helo on the ground is going 1000 mph with the 1000 mph rotation of the planet. This is important...because the planet is ...

11 Answers · Science & Mathematics · 19/08/2019

2. ### rotational kinematics of disk and rod?

...the center of the length of the rod lands and stays on the center of rotation of the disk. L = ΣIω L = (½mR²...

1 Answers · Science & Mathematics · 07/08/2019

3. ### What caused the gearshift on the steering wheel to lock up when the car is on?

Ignition lock that also locks the steering wheel rotation is bent. It doesn't release when ignition is on...

4 Answers · Cars & Transportation · 05/08/2019

4. ### Career Choice Advice - Medicine?

... you'll spend four more years in medical school and get a surgical rotation. If you still want to do surgery, you'll apply for a surgical residency. ...

5. ### Rotation speed of a tracking object?

Angular velocity is ω = (v/r) sin θ, in radians per (whatever time unit v is measured in); where θ is the angle between the velocity and the radius vector. At the minimum distance, θ is a right angle and sin θ = 1, so: ω = (10 m/s)/(2 m) * 1 = 5 radians/s

1 Answers · Science & Mathematics · 05/08/2019

6. ### Do these plate tectonics make sense?

... boundaries must be straight or if movement involves rotation, gently curved. Your transform boundaries have lots of...

3 Answers · Science & Mathematics · 01/08/2019

7. ### A man is lifting a 30 lb. weight with his forearm. The bicep muscle attaches 2 inches from the elbow and the weight is supported 16 inches?

...then Weight * 16 = F *2 ( torques must be equal and opposite or rotation happens ) F = Weight * 8 = 240 lb weight As who ...

4 Answers · Science & Mathematics · 30/07/2019

8. ### What is the terminal point of -2pi/3. I keep getting -1/2,√3/2?

-2pi/3 is the same as a rotation 2pi away -2pi/3 + 2pi = -2pi/3 + 6pi/3 = 4pi/3 Check the unit circle: ...

5 Answers · Science & Mathematics · 25/07/2019

9. ### What is the reason why the motion of the Earth is slowing down each year?

... of thousands of years, the Earth's rotation slows down by 1 second every 40,000 years, due to tidal friction...

9 Answers · Science & Mathematics · 29/07/2019

10. ### As the Sun moves according to Einstein mass increase with velocity equation is it increasing in mass or decreasing?

...axis 2- moving through space 3- moving with space The normal rotation of a sun (1) is not going to have any effect on the mass. Einstein...

2 Answers · Science & Mathematics · 29/07/2019

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