What speed does he need at the bottom

Reference no: EM13513936

A 50 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.4 m. What speed does he need at the bottom?

Reference no: EM13513936

Questions Cloud

Estimate the balls impact speed on the ground below : A cannon tilted up at a 30° angle fires a cannon ball at 90 m/s from atop a 16 m high fortress wall. What is the ball's impact speed on the ground below

What is the books speed as it slides away : A student places her 350 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm, What is the book's speed as it slides away

Explain the carbon dioxide will be generated by reacting : The carbon dioxide will be generated by reacting solid sodium bicarbonate (NaHCO3) with a solution of acetic acid (CH3COOH) as follows: NaHCO3(s) + CH3COOH(aq) ? H2CO3(aq) + CH3COO-(aq) + Na+(aq)

Determine the final speed of the rocket : Consider a rocket which has two combustion rates, ?1 = 4 kg/s and ?2 = 8 kg/s. The relative speed of the exhaust gas is 90 m/s in either case. Determine the final speed of the rocket

What speed does he need at the bottom : A 50 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.4 m. What speed does he need at the bottom

State enthalpies are relative quantities measured as changes : Enthalpies are relative quantities measured as changes from some comparative states. The enthalpies of formation of elements in their standard states at 25 degrees celcius are taken to be zero by convention

What is the relationship between inter tribal warfare-moka : who is Ongka's most important backer and why? what is the relationship between inter tribal warfare and moka? why can ongka's supporters not just deliver their pigs when they are ready instead of holding the series of small mokas?

What are the speed and direction of the first ball : One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision

Continuous review system with the periodic review system : Compare and contrast the continuous review system with the periodic review system. Is the continuous review or periodic review inventory system more likely to result in higher safety stock? Which is likely to require more time and effort to administe..

User Account

All Pages