Complete Question
A 10 kg medicine ball is thrown at a velocity of 15 km/hr ( m/s) to a 50 kg skater who is at rest on the ice. The skater catches the ball and subsequently slides with the ball across the ice.
Calculate the kinetic energy after collision(in joules).
Answer:
Explanation:
From the question we are told that:
Mass of ball
Speed
Mass of Skater
Generally the equation for conservation of momentum is mathematically given by
Generally the equation for Kinetic energy is mathematically given by
Therefore kinetic energy K.E after collision is given as
Answer:
Explanation:
Given
Required
The component of the force in F direction
To do this, we simply calculate the force in the vertical and horizontal direction.
This is calculated as:
--- Horizontal
---- Vertical
So, we have:
--- Horizontal
---- Vertical
The International System of Units is the modern form of the metric system. It is the only system of measurement with an official status in nearly every country in the world. ..
SI <em>SYSTEM</em><em> </em><em>WAS</em><em> </em><em>DEVELOPED</em><em> </em><em>BECAUSE</em><em> </em>
It allows people in different places and different countries to use the same units, avoid mistakes and understand each other more easily. The common base 10 of all units makes it easier and has more accurate calculations that are made without cumbersome conversion factors.....
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