# Part 1: Analytical Problems The following questions ask you to solve problems involving topics we’ve covered this week. Work each problem…

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Part 1: Analytical Problems

The following questions ask you to solve problems involving topics we’ve covered this week. Work each problem on paper, and post a scanned image of your work for each question, along with a brief description of how you solved the problem. Your scanned work should include a step-by-step solution to the problem. By **Wednesday, April 23, 2014**, scan and post your free body diagrams and perform the following experiments online. Fill in the tables, and post your answers to the questions to the **W3 Assignment 2 Lab Dropbox**.

**Question 1**** **

A car with 60 cm diameter tires is traveling at a constant speed of 100 km/hr. What is the angular velocity of the tires in rad/s?

**Question 2**** **

A 3 kg ball is traveling in a circle of radius 2 meters with a tangential velocity of 2 meters/second. Find the centripetal acceleration of the ball and the centripetal force acting on it.

**Question 3**** **

An arrow is shot at an angle such that it’s horizontal velocity is 40 m/s and it’s vertical velocity is 20 m/s. Find the horizontal distance the arrow will travel before hitting the ground.

**Question 4**** **

A bolt requires 15 Nm or torque to loosen it. How much force needs to be applied to a 20 cm long wrench to loosen the bolt? Assume the force is applied perpendicular to the handle of the wrench.

**Question 5**** **

A baseball is thrown such that it is in the air for 4 seconds and lands 100 m away. Find the initial vertical and horizontal components of the baseball’s velocity.

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