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Natalka [10]
3 years ago
13

When grocery shopping, the mass of the cart changes as you start to fill up your cart. How does the change in mass of your cart

change the force you apply to the cart?
Group of answer choices
a. The force will need to increase

b. The force will need to decrease

c. The force does not need to change
Physics
1 answer:
Tasya [4]3 years ago
4 0

Answer:

b

Explanation:

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Interdependence between plants and animals<br>​
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Two states of matter are described below. State A: Cannot be compressed and retains its shape State B: Highly compressible Which
telo118 [61]

Answer:

State A = piece of metal; State B = air

Explanation:

For the three main states of matter here's how it breaks down.

Solid - Cannot be compressed and retains its shape

Liquid - Cannot be compressed and does not retain its shape

Gas - Compressible and does not retain its shape.

Knowing this State A has to be solid.  Only one of the options has A as a solid, so that's the answer.   Worth knowing state B is a gas though, only one compressible, just like solid is the only one that retains its shape.

7 0
3 years ago
Read 2 more answers
How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above t
Cloud [144]

Let the data is as following

mass of payload = "m"

mass of Moon = "M"

now we know that we place the payload from the position on the surface of moon to the position of 5r from the surface

So in this case we can say that change in the gravitational potential energy is equal to the work done to move the mass from one position to other

so it is given by

W = U_f - U_i

we know that

U_f = -\frac{GMm}{6r}

U_i = -\frac{GMm}{r}

now from above formula

W = -\frac{GMm}{6r} + \frac{GMm}{r}

W = \frac{5GMm}{6r}

so above is the work done to move the mass from surface to given altitude

7 0
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A 2,000 kg car travels with a tangential
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A= v²/R
a = 12²/30 =4.8 m/s²
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