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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Answer:
Longitudinal waves
Explanation:
Tuning forks create sound waves and sound waves are longitudinal
It seems you didnt give the last answer, but a - d seem like pretty reasonable things to do so it is probably C.
Answer:
45 degrees
Explanation:
The textbooks say that the maximum range for projectile motion (with no air resistance) is 45 degrees.
If the first minimum is from the central maximum, the distance away is 1.07 meters.
Given the data in the question;
- Wavelength;
- Width of slit;
- First minimum;
- Since its first, order number;
- Distance;
From Thomas Young's single slit experiment:
Where a is the width of the slit, y is first minimum, L is the distance, m is the order number and λ is the wavelength.
We substitute our values into the equation
Therefore, if the first minimum is from the central maximum, the distance away is 1.07 meters.
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