Centripetal Acceleration Archives • Nerd Notes

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A new car is tested on a 230-m-diameter track. If the car speeds up at a steady $1.56 \, m/s^2, how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration? </a> </h3> <a class="elementor-post__read-more" href="https://nerd-notes.com/ubq/35738/" aria-label="Read more about A new car is tested on a 230-m-diameter track. If the car speeds up at a steady <span class="katex-eq" data-katex-display="false"></span> 1.56 \, m/s^2, how long after starting is the magnitude of its centripetal acceleration equal to the tangential acceleration?" tabindex="-1" target="_blank"> Read More > </a> </div> </div> </article> <article class="elementor-post elementor-grid-item post-34015 ubq type-ubq status-publish format-standard hentry topic-centripetal-acceleration topic-centripetal topic-energy topic-pendulums topic-simple-harmonic-motion"> <div class="elementor-postcard"> <div class="elementor-posttext"> <h3 class="elementor-post__title"> <a href="https://nerd-notes.com/ubq/34015/" target="_blank"> A pendulum consists of a ball of mass m suspended at the end of a massless cord of length L as shown. The pendulum is drawn aside through an angle of 60° with the vertical and released. At the low point of its swing, the speed of the pendulum ball is </a> </h3> <a class="elementor-post__read-more" href="https://nerd-notes.com/ubq/34015/" aria-label="Read more about A pendulum consists of a ball of mass m suspended at the end of a massless cord of length L as shown. The pendulum is drawn aside through an angle of 60° with the vertical and released. At the low point of its swing, the speed of the pendulum ball is" tabindex="-1" target="_blank"> Read More > </a> </div> </div> </article> <article class="elementor-post elementor-grid-item post-29568 ubq type-ubq status-publish format-standard hentry topic-centripetal-acceleration topic-centripetal topic-friction"> <div class="elementor-postcard"> <div class="elementor-posttext"> <h3 class="elementor-post__title"> <a href="https://nerd-notes.com/ubq/29568/" target="_blank"> Friction provides the force needed for a car to travel around a flat, circular race track. </a> </h3> <a class="elementor-post__read-more" href="https://nerd-notes.com/ubq/29568/" aria-label="Read more about Friction provides the force needed for a car to travel around a flat, circular race track." tabindex="-1" target="_blank"> Read More > </a> </div> </div> </article> <article class="elementor-post elementor-grid-item post-29539 ubq type-ubq status-publish format-standard hentry topic-centripetal-acceleration topic-centripetal topic-gravitation topic-linear-forces"> <div class="elementor-postcard"> <div class="elementor-posttext"> <h3 class="elementor-post__title"> <a href="https://nerd-notes.com/ubq/29539/" target="_blank"> A communications satellite orbits the Earth at an altitude of 35,000km above the Earth’s surface. Mass Earth= [katex]6 \times 10^{24} \text{ kg}$ & Radius Earth= $6.4 \times 10^6 \text{ m}$ . What is the satellite’s velocity?

A car is moving up the side of a circular roller coaster loop of radius 12 m. The angular velocity is 1.8 rad/s and angular acceleration is -0.82 rad/s?. The car is at the same elevation as the center of the loop. Find the magnitude and direction of the acceleration.

A discus is held at the end of an arm that starts at rest. The average angular acceleration of $54 \, \text{rad/s}^2$ lasts for 0.25 s. Find the average tangential acceleration. Find the speed at release. Find the centripetal acceleration just before release. The path is circular and has radius 1.1 m.