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3 years ago

Explain how bats use ultrasound to catch a prey

Physics

1 answer:

Gnoma [55]3 years ago

8 0

Answer:

Ultrasound is used by bats to navigate (move) and catch prey. Ultrasonic squeaks are produced by bats. These squeaks ponder prey and then return to the bat's ear. This provides bats with information about the location of prey, allowing them to catch it.

Explanation:

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When the pivot point of a balance is not at the center of mass of the balance, how is the net torque on the balance calculated?

viktelen [127]

Answer:

Explanation:

Net torque is calculated by multiplying the force with distance from the point of application of force to the point of pivot .

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What is the impact force on a 0.5 kg object if it falls 3 meters and hits a carpeted floor at 8 m/s, stopping in 0.10 seconds?

Cerrena [4.2K]

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3 years ago

Móvil A : V = 16 m/s ; t = 5 sMóvil B : V = 15 m/s ; t = 6 s Móvil C : V = 24 m/s ; t = 3 s Calcular la distancia que recorre ca

patriot [66]

Answer:

dC = 72m < dA = 80m < dB = 90m

Explanation:

In order to calculate the distance traveled by each mobile, you use the following formula:

$d=vt$ (1)

d: distance traveled

v: speed of the car

t: time of the motion

You replace the values of v and t for each mobile:

mobile A:

$d_A=v_At_A=(16m/s)(5s)=80m$

mobile B:

$d_B=v_Bt_B=(15m/s)(6s)=90m$

mobile C:

$d_C=v_Ct_C=(24m/s)(3s)=72m$

Then, you obtain that he distances traveled by the mobiles show:

dC = 72m < dA = 80m < dB = 90m

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3 years ago

Approximately 80% of the energy used by the body must be dissipated thermally. The mechanisms available to eliminate this energy

Semenov [28]

Answer:

the correct answer is c) 23 g

Explanation:

The heat lost by the runner has two parts: the heat absorbed by sweat in evaporation and the heat given off by the body

Q_lost = - Q_absorbed

The latent heat is

Q_absorbed = m L

The heat given by the body

Q_lost = M $c_{e}$ ΔT

where m is the mass of sweat and M is the mass of the body

m L = M c_{e} ΔT

m = M c_{e} ΔT / L

let's replace

m = 90 3.500 1.8 / 2.42 10⁶

m = 0.2343 kg

reduced to grams

m = 0.2342 kg (1000g / 1kg)

m = 23.42 g

the correct answer is c) 23 g

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3 years ago

Explain how bats use ultrasound to catch a prey​

Explain how bats use ultrasound to catch a prey