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Nata [24]
3 years ago
6

A shopping cart is initially at rest when it undergoes a constant acceleration. After

Physics
1 answer:
Luba_88 [7]3 years ago
4 0
The answer is A.3.3 m/s2
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Energy transformations when you cook sausages on a campfire burning wood
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<span>Actually in this case heat energy is being transferred. Heat energy or thermal energy is transferred from the burning of wood to the sausages for it to be cooked. The sausage is being heated by the fire and is absorbing the heat or thermal energy.</span>

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Suppose that you have been chosen for a space mission to a distant planet. Due to the length of time you'll be away from Earth y
Contact [7]

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I should be active for 15 hours to meet the physical activity requirement.

Explanation:

Since time dilates in moving objects, we use the formula t = t₀/√(1 - β²) where t = time in space vehicle, t₀ = time on earth = 9 hours and β = v/c where v = speed of space vehicle = 0.8c.

So, t = t₀/√(1 - β²)

t = 9/√(1 - (v/c)²)

= 9/√(1 - (0.8c/c)²)

= 9/√(1 - (0.8)²)

= 9/√(1 - (0.64)

= 9/√0.36

= 9/0.6

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So, according to a timer on the space vehicle, I should be active for 15 hours to meet the physical activity requirement.

8 0
3 years ago
Which are characteristics of refraction
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When light travels from one medium to another, the frequency of light does not change. However, the velocity and wavelength change.

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When a ball increases in speed by the same amount each second its acceleration?
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Its acceleration is constant. 
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Calculate the force it would take to accelerate a 50 kg bike at a rate of 3 m/s2.
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ummmm it might be 300... i used a calculator

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