Answer:
Walking’ - If a handball player takes more than three steps without dribbling (bouncing the ball) or holds the ball for more than 3 seconds without bouncing it, shooting or passing, then that is deemed ‘walking' and possession is lost.
'Double dribble’ - Handball players cannot receive the ball and bounce it, then hold the ball, and bounce it again. This is termed ‘double dribble’ and is against the rules.
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Answer:
0 J
Explanation:
Work is the product of force and distance in the direction of force.
The formula is ; Work = Force * Distance
Given that :
Force = 400 N
Distance = 0 meters
Work = 400 * 0 = 0 J
No work was done because the boulder did not move.
Your answer is "<span>surface of a sphere"
Hope this helps.</span>
Answer:
13.7%
Explanation:
Given that,
Heat absorbed by the engine = 97.2 kJ
Heat exhausted by the engine in each cycle = 83.8 kJ
We need to find the efficiency of the engine. It is calculated by the formula.
![\eta=1-\dfrac{Q_e}{Q_a}\\\\=1-\dfrac{83.8}{97.2}\\\\=0.137\\\\=13.7\%](https://tex.z-dn.net/?f=%5Ceta%3D1-%5Cdfrac%7BQ_e%7D%7BQ_a%7D%5C%5C%5C%5C%3D1-%5Cdfrac%7B83.8%7D%7B97.2%7D%5C%5C%5C%5C%3D0.137%5C%5C%5C%5C%3D13.7%5C%25)
so, the efficiency of heat engine is 13.7%.