echolocation is a form of sensory perception used by animal such as bats tooted whales and dolphins . the animal emits and a pulse of sound (longitudinal wave) which after reflection from objects returns and is detectd by the animal echolocation waves can have frequencies of about 100,000 Hz. (A) estimate the wave length of a sea animal echolocation waves. (B) if an obstacle is 100m from the animal. how long after the animal emits a wave is its reflection defeated​

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Answerthe energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.explanationwe define electric potential as the ratio electric potential energy to the charge,    then the following gives us the potential difference,      the formula  may be on your formula sheet.the change in electric potential energy would be the energy that would needed to move it from point a to point b. solving for that, we get    using q = 8.00  × 10⁻¹⁹ c and  δv = 2.00 v, we get    the energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.

Answer59.2kg; /

Average net force: ∑f = fapp + fgrav = 8.20 + (-9.81m/s²)(0.500 kg)           = 3.295 n          = 3.30 nvelocity of object∑f = maa = ∑f / m = 3.295 n / 0.500 kg = 6.59 m/s²v² = v₀² + 2adv = √(v₀² + 2ad)v = √[ 0² + 2(6.59m/s²)(1.50m) ]v = 4.45 m/s