Recent content by Zerobu

Homework Statement Find a number in the closed interval [1/2, 3/2] such that the sum of the number and its reciprocal is (a)as small as possible (b) as large as possible I am given the answer in the back of the book The answer to a is 1 The answer to be is 1/2 Homework...

Homework Statement A rotating wheel requires 3.00s to rotate 37.0 revolutions. Its angular velocity at the end of the 3.00-s interval is 98.0 rads/s. What is the constant angular acceleration of the wheel? [b]2. Homework Equations rotational kinematic equations?? The Attempt at a...

decimal to radical algorithm? does anyone know if there is a method of writing a decimal number in its simplified radical form?? I really would like to know if there is

Homework Statement A rifle with a weight of 30N fires a 5.0g bullet with a speed of 300 m/s (a) Find the recoil speed of the rifle (b) If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and the rifle Homework Equations i think this...

Homework Statement A 70kg base runner begins his slide into second base when he is moving at a speed of 4.0m/s. The co-efficient of friction between his clothes and the Earth is 0.70. He slides so that his speed is zero just before he reaches the base (a). How much mechanical energy is...