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3 years ago

Displacement is to velocity as _______ is to acceleration

1 answer:

7 0

Velocity is the rate of change of displacement and both of them are vectors. Acceleration is the rate of change of velocity and both of them are vectors. So the answer is d.

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A coin is dropped into a wishing well. It takes 1.1 seconds for a splash to be heard. Calculate the depth of the wishing well

Zigmanuir [339]

Answer:

If the wishing well was in a vacuum, then s=ut + 0.5 a t^2 (s=distance, ... wishing well if you drop a coin into it and hear the splash 10 seconds

Explanation:

8 0

3 years ago

At the instant the traffic light turns green, a car that has been waiting at an intersection starts ahead with a constant accele

EleoNora [17]

Answer:

306.8264448 m

47.0016 m/s

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

Distance traveled by car

$s_c=ut+\dfrac{1}{2}at^2\\\Rightarrow s_c=\dfrac{1}{2}at^2$

Distance traveled by truck

$s_t=ut$

In order to overtake both distances should be equal

$\dfrac{1}{2}at^2=ut\\\Rightarrow \dfrac{1}{2}at=u\\\Rightarrow t=\dfrac{2u}{a}\\\Rightarrow t=\dfrac{2\times 23.5}{3.6}\\\Rightarrow t=13.056\ s$

$s_c=\dfrac{1}{2}at^2\\\Rightarrow s_c=\dfrac{1}{2}3.6\times 13.056^2\\\Rightarrow s_c=306.8264448\ m$

The distance the car has to travel is 306.8264448 m

$v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 3.6\times 306.8264448+0^2}\\\Rightarrow v=47.0016\ m/s$

The speed of the car when it overtakes the truck is 47.0016 m/s

8 0

3 years ago

Analyze

DochEvi [55]

Answer:

How many decimal places did you use when you measured the mass of each square of aluminum? Which places were exact, and which were estimated? Three decimal places were used.Explanation:

5 0

3 years ago

The amplitude of a sound is the Group of answer choices frequency of the sound. magnitude of displacement of a sound pressure wa

Maksim231197 [3]

Answer:

magnitude of displacement of a sound pressure wave

Explanation:

The time spent in a complete cycle is called the period (T) measured in seconds and the number of cycles per second is called the frequency (f) and is measured in cycles per second or Hetz. The frequency is inverse to the period f = 1 / T. On the other hand, each segment of the rope has a certain<u> amplitude </u>(A). The amplitude is defined as the maximum displacement from the equilibrium position. The frequency is determined by the source, so that if the rope is agitated quickly, the frequency will be higher (high frequency) than if I stir it slowly (low frequency) than if I stir it slowly (low frequency) The amplitude is also determined by the source, so that if the end of the rope rises a lot from the horizontal or equilibrium position the amplitude will be large and vice versa.

8 0

3 years ago

Which have scientists learned from studying seismic waves that travel through earth’s interior? A. The crust of earth is liquid.

Evgesh-ka [11]

The correct answer that you are looking for would be B: The layers of the Earth increase in density as one moves toward the center of the Earth.
Dose this help? if so You can Thank me by Making This Answer The Brainiest.

8 0

4 years ago