High School

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A frog jumps from the ground at a speed of 4.3 m/s at an angle of 35° towards a post that is 1.2 m away. At what height above the ground does the frog hit the post?

Answer :

The maximum height attained by the frog is determined as 0.31 m.

How to calculate the maximum height of the frog?

The maximum height attained by the frog is calculated by applying the following formula as shown below:

H = u² sin²θ / 2g

where;

  • u is the initial velocity of the frog
  • g is acceleration due to gravity
  • θ is the angle of projection of the frog

The maximum height attained by the frog is calculated as follows;

H = (4.3² x (sin 35)² ) / (2 x 9.8)

H = 0.31 m

Thus, the maximum height attained by the frog is determined as 0.31 m.

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Rewritten by : Barada