Answer:
Presiune = 350 N/m²
Explanation:
Având în vedere următoarele date;
Forța = 700 N
Suprafață = 2 m²
Pentru a găsi presiunea;
Matematic, presiunea este dată de formulă;
Presiune = forță/zonă
Înlocuind în formulă, avem;
Presiune = 700/2
Presiune = 350 N/m²
Its being transfer through sun light<span />
Daniel applies a 30 Newtons force on the ball that sends the ball 300 meters, which gives the work done by Daniel as 9 kJ
<h3>How can the work done be obtained from the given force and distance?</h3>
The given parameters are;
The force with which Daniel hit the ball = 30 Newtons
The distance the ball flew, following the application of the force = 300 meters
Required;
The amount of work done on the ball by Daniel
Solution:
- Work done = Force applied × Distance moved in the direction of the force
Therefore;
The work done by Daniel on the ball, <em>W</em>, can be calculated as follows;
W = 30 N × 300 m = 9000 J = 9 kJ
- The work done by Daniel on the ball is 9 kJ
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When the balloon is kept in the sun, due to Sun's heat, the kinetic energy of gaseous particles inside the balloons also gets increased and the balloon expands. This will increase the pressure on the walls of the balloon. It continues to expand and comes to a stage when the baloon bursts.