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RoseWind [281]
2 years ago
8

MATCH THE NUMBER WITH THE APPROPRIATE VARIABLE HELPP!!!!! its for my final

Physics
1 answer:
sergiy2304 [10]2 years ago
5 0

Answer:

  1. velocity
  2. spéed
  3. distance
  4. displacement
  5. time

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An astronaut having mass 320 kg with equipment included is attempting an untethered space walk. The astronaut is initially at re
ExtremeBDS [4]
This can be solved using momentum balance, since momentum is conserved, the momentum at point 1 is equal to the momentum of point 2. momentum = mass x velocity
m1v1 = m2v2
(0.03kg x 900 m/s ) = 320(v2)
v2 = 27 / 320
v2 = 0.084 m/s is the speed of the astronaut
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3 years ago
You wanted to use your electric grill in your backyard. You need an extension cord. What will be the requirement of your extensi
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2 years ago
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How many animals lost each hour
joja [24]

Answer:

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6 0
3 years ago
A 20-kilogram child is riding on a 10-kg sled over a frictionless icy surface at 8.0 meters per second. Calculate the kinetic en
Veseljchak [2.6K]

Answer:

K = 960 J

Explanation:

Given that,

Mass of a child = 20 kg

Mass of a sled = 10 kg

Speed of child on sled = 8 m/s

We need to find the kinetic energy of the sled with the child.

The total mass of child and the sled = 20 kg + 10 kg

= 30 kg

The formula for the kinetic energy of an object is given by :

K=\dfrac{1}{2}mv^2\\\\K=\dfrac{1}{2}\times 30\times (8)^2\\\\K=960\ J

Hence, the kinetic energy of the sled with the child is 960 J.

6 0
2 years ago
HEY CAN ANYONE PLS PLS ANSWER DIS I RLY NEED IT
jeka94
Place the object in an electronic balance and measure its mass.
Place a measured amount of water in the cylinder.
Place the object in the cylinder so that it’s fully submerged.
Measure the new level of the liquid and subtract the original level. This is equal to the volume of the object.

Density = mass / volume.
8 0
3 years ago
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