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An object is moving in uniform circular motion;Choose any point in the motion and show that the acceleration is directed towards the center of the circle At one poi...

Question

An object is moving in uniform circular motion;Choose any point in the motion and show that the acceleration is directed towards the center of the circle At one point in the motion; video analysis shows that the x-velocity Is 2.1 IVs and that the y-velocily [s 3.4 mls. What is the speed of the object and in what direction is te object moving at this point?

An object is moving in uniform circular motion; Choose any point in the motion and show that the acceleration is directed towards the center of the circle At one point in the motion; video analysis shows that the x-velocity Is 2.1 IVs and that the y-velocily [s 3.4 mls. What is the speed of the object and in what direction is te object moving at this point?



Answers

Acceleration in circular motion. An object moves in a circular path with a constant speed $v$ of $50 \mathrm{~cm} / \mathrm{s}$. The velocity vector $\mathbf{v}$ changes direction by $30^{\circ}$ in $2 \mathrm{~s}$. (a) Find the magnitude of the change in velocity $\Delta \mathbf{v}$. (b) Find the magnitude of the average acceleration during the interval. $\quad$ (c) What is the centripetal acceleration of the uniform circular motion? $\quad$

In this problem we have given distances equals to 30 miles on time is equal to do us on were asked to find the linear velocity off a point moving with uniforms and cool in motion. By the definition of linear velocity we have we is equals to Ace Appointee. Now we we substitute 30 miles. Four s on two hours, 40 we get We is equals toe 30 miles upon two hours, it would be equals to 15 miles. Farrell. Therefore, we get linear velocity is equals to 15 miles by our

For number one, we want to know the direction of the instantaneous velocity for an object in circular motion. So imagine this blue dots going around this circle. And I'm talking about it's instantaneous velocity. I mean it's velocity at any instant, not an average velocity, not like an initial or final, but at every instant. So you figure when it's here, I could say it's going that way when it's here, it's going this way when if it's going clockwise, of course when it's here, it's going this way. If I wouldn't describe that direction and see, the direction keeps changing. But I could say that is tangent to the circumference. This velocity of drawing is always tangent to the circle, so direction tangent.

In this problem. We have given distances, equals 200 miles on time is equal to four hours on were asked to find the linear velocity off a point. Moving with uniforms are cool emotions. By the definition of linear velocity, we have V is equals to ace upon T. Now we will substitute 100 miles for s on four hours 14 we get We is equals 200 miles upon four hours. It would be equals to 25 miles per our. Therefore we get linear velocity is equals to 25 miles. My God.

Based on this question, we can reduce disease number things. So another various legal to fire something years, You know, there are time. Is it 4 to 20 seconds? We also know that data is equal to wondered. And so you start off with women to calculator, angler Sweet. So we can use the formula. The 1st 1 is able to stay to oversee, which will get Let's say we have 1/3. We're 20 which will get us 1/6 seat meridians her second as our angular speed. Next, we need to figure Arlen your sweet Caroline, you're speaking. We can calculate using your foreign. Want us to see? Go to our time, Seda, which will get us all C five times 1/3 er sorry. Not five times. Wondered which is equal to five surge centimeters. But that's not always to do is finding our speed next We need to say first lost, See because his speed over time. Earth Sorry, not our speed. Our side like that were time. So we will get 5/3 over 20 which will get us 1/12 some two meters per second. Arthur Speed incident thes are answers


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