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Alyson Hayes
Physics
Receiver
Questions:
1) Going back to the idea of a plane before take off. Why was the sound of the engine louder when it goes from low to high power
goes from low to high power?
Use the terms volume, energy, and amplitude to explain your answer
2) Graph what the sound wave would look like for a 2 year old girl laughing and a 40 year old man
laughing
Answer
Answers (1)
Taliyah Bond
Physics
How much uninterrupted time should you set aside to do homework?
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Alexia Bush
Physics
The velocity of Desmond's car changes from 20 meters/second to 10 meters/second. The change happens in 5 seconds. What's the acceleration of the car?
a. 4 m/s2
b. 2 m/s2
c. - 2 m/s2
d. - 4 m/s2
Answer
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Brody Jordan
Physics
How do crabs support and protect themselves without a skeleton
Answer
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Rylee
Physics
the lift raises a car of mass 50 kg of 2.1 M that uses a force of 8330 n and takes four seconds to Raise the car what is the power of the lift
Answer
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Bridger Mclean
Physics
If a star is moving away from you how does it affect the wavelength of the light waves that reach you?
Answer
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Imani Ashley
Physics
What is the deffination of "The spinning of Earth on its axis"
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Morgan Rhodes
Physics
The outermost layer of earth is called the mantle
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Nobel
Physics
A pulley system used to lift car tires has a mechanical advantage of 8.1. If
you pull on the pulley with a force of 540 N, how much force does the pulley
exert on the tire?
Answer
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Maren Krause
Physics
An object of mass 1000 kg, initially having a velocity of 100 m/s, decelerates to a final velocity of 20 m/s. what is the change in kinetic energy of the object, in kj?
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Baird
Physics
Find the momentum of a 25 kg object going 4m/s to the right.
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Miss Kitty
Physics
In the following diagram, the clockwise torque is equal to ___.
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Justice Mathews
Physics
A stone was dropped off a cliff and hit the ground with a speed of 112 ft/s. what is the height of the cliff? (use 32 ft/s2 for the acceleration due to gravity.) ft ft
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Jude Keller
Physics
A 100 kg vehicle moving at 20 m/s stops when the brakes are applied. What deceleration and braking force is required to stop it:
Part A) 5 seconds
Part B) 20 seconds
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Alana Beltran
Physics
Imagine that a brown horse and a white horse cross of producing Offspring who Coke is made of some brown hairs and some white hairs which pattern of dominance is this example of
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Answers (2)
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