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IRISSAK [1]
3 years ago
12

Do rolling down a grassy hill has kinetic energy or potential energy

Physics
2 answers:
Ann [662]3 years ago
4 0

If you're moving, then you have kinetic energy.

If you're not at the bottom yet, then you still have
some potential energy left.

allochka39001 [22]3 years ago
3 0

Answer:

Kinetic and potential energy

Explanation: the energy starts at the top of the hill as potential energy and changes to kinetic energy as you go down the kill

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<span>Matter of all types have gravity, which causes it to attract to each other. The most efficient way for all this matter to congregate is the sphere. As they consolidate, they form the shape. As they compress, temperatures in the center of the mass start to go up and if it hits the proper point, it can ignite and become a star.</span>
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3 years ago
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Use tug of war to explain balanced and unbalanced forces
Dimas [21]
Forces equal the flag doesn't move either direction

Unequal forces the flag moves in the direction of the greater magnitude force
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3 years ago
The plane of a5cm*8cm rectangular loop of wire is parallel to a 0.19T magnetic field the loop carries a current of 6.2 A. What t
Sedaia [141]

Answer:

Torque; τ = 4.712 × 10^(-3) J

Magnetic moment; M = 0.0248 J/T

Explanation:

Torque is gotten from the formula;

τ = BIA

Where;

B is magnetic field

I is current

A is area

We are given;

B = 0.19T

I = 6.2A

Rectangle dimensions = 5cm by 8cm = 0.05m by 0.08m

Thus;

Area; A = 0.05m × 0.08m = 0.004 m²

Thus;

τ = 0.19 × 6.2 × 0.004

τ = 4.712 × 10^(-3) J

Formula for the magnetic moment is given by;

M = IA

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5 0
2 years ago
How would you go about separating the components of a mixture of sand, gravel, salt and iron filings
larisa86 [58]

Pour the entire components into water.

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Next we can run this solution through a filtration device to separate the sand from the water.

Now all that's left is to let the water evaporate so that the salt will be exposed that dissolved into the water.

4 0
3 years ago
A 20-N force acts on an object with a mass of 2.0kg. what is the objects acceleration?
ale4655 [162]

Answer:

10 m/s^2

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Equation: F = ma.

a = acceleration

m = mass

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F = 20

m = 2

a = ?

a = F/m

a = 20/2

a = 10 m/s^2

7 0
3 years ago
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