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Scrat [10]
2 years ago
6

What would happen if you didn't have chemical energy in your body? Choose the best answer.

Physics
1 answer:
eimsori [14]2 years ago
8 0

Answer:B

Explanation:

Because chemical energy fuels your body with energy so without it u wont have enough energy to move.

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A truck moves 60 kilometers east from point A to point B. At point B, it turns back west and stops 15 kilometers away from point
iogann1982 [59]

Answer:

Distance: 75 km

Displacement: 45 km

Explanation:

- Distance is a scalar quantity that refers to the total space covered by an object. It is calculated as the sum of the distances covered in each motion, regardless of their direction. therefore in this case:

distance = 60 km + 15 km = 75 km

- Displacement is a vector quantity whose magnitude is equal to the difference between the final point and the starting point of the motion, so it also takes into account the direction of each motion. In this case, the truck moves 60 km east, and then 15 km west: if we call '0' the starting point, the final point will be then

p_B = 60 km - 15 km=45 km

And so the displacement is

d=p_B - p_A=45 km - 0 = 45 km

6 0
3 years ago
Read 2 more answers
Objects 1 and 2 attract each other with a electrostatic force of 72.0 units. If the charge of object 1 is doubled AND the charge
lbvjy [14]

Answer:

432 units

Explanation:

Let the charges be q and Q separated by a distance r. The electrostatic force , F = kqQ/r² = 72 units. If q = 2q and Q = 3Q, then the new electrostatic force is

F = k × 2q × 3Q/r² = 6kqQ/r² = 6 × 72 = 432 units

5 0
3 years ago
What two factors will make an object stable ​
galben [10]

The position of the centre of gravity of an object affects its stability. The lower the centre of gravity (G) is, the more stable the object. The higher it is the more likely the object is to topple over if it is pushed. Racing cars have really low centres of gravity so that they can corner rapidly without turning over.

Increasing the area of the base will also increase the stability of an object, the bigger the area the more stable the object. Rugby players will stand with their feet well apart if they are standing and expect to be tackled.

8 0
3 years ago
Is The force of friction always opposite to the motion? ​
Taya2010 [7]

Answer:

Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion.

Explanation:

8 0
3 years ago
How dense the medium is in the compression part of the wave, and how
ivolga24 [154]
How dense the medium is in the compression part of the wave and how rare the medium is in the rarefaction part of the wave is a measure of the longitudinal wave's amplitude.
4 0
3 years ago
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