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Elena L [17]
4 years ago
15

A soccer player kicks a ball down the field. It rolls to a stop just before the goal. Which statement accurately describes the m

otion of the soccer ball?
A. Inertia moves the ball until it runs out of force
B. The ball loses inertia due to an unbalanced force.
C. A balanced force keeps the ball in motion until it stops.
D. An unbalanced force causes the ball to stop.
Physics
1 answer:
brilliants [131]4 years ago
6 0

B

When the ball was kicked it gained inertia of motion. Inertia is the tendency of an object (in motion or rest) to keep at uniform motion or rest, and in a straight line, unless an external force acts on the object.

Explanation:

The ball kept moving due to inertia in its motion, however, there was an external force acting on the ball which caused it to reduce speed until it came to a standstill. This force is friction with the ground. The friction converted most of the inertia energy into friction and some lost as heat energy until the ball lost most of force to keep moving into the goal.

Learn More:

For more on inertia check out;

brainly.com/question/12791758

brainly.com/question/10379026

#LearnWithBrainly

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A physical property can be seen or a change in color.
The answer is B because you can see when wood is rotting.
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4 years ago
A 20 kg box rests on the ground. Round all answers to the hundredths, if necessary. What is the weight of the box?​
cricket20 [7]
  • Mass=m=20kg
  • Acceleration due to gravity=10m/s^2

Weight=Applied force

\\ \sf\longmapsto F=mg

\\ \sf\longmapsto F=20(10)

\\ \sf\longmapsto F=200N

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3 years ago
Read 2 more answers
4720 kj of energy are supplied to a material in order to raise its temperature by 65k. if the specific heat capacity of the mate
jeka57 [31]

The mass of material is 26.6 Kg

Given:

Q = 4720 KJ

Change in Temperature (AT) = 65 K

Specific heat capacity of material (c) = 2730 J K Kg*K

The relation between Q, AT, c and m are related by following formula: Q=m* c*∆T,

Plugging value in heat formula:

4720KJ = m* 2730 J/Kg*K * 65K

4720KJ = m * 177450J/kg

Converting 177450 J/kg to Kg/KJ

177450 J/kg*1KJ/1000J = 177.450KJ/kg

Dividing both side by 177.450KJ/kg

4720KJ/177.450KJ/Kg = m*177.450KJ/Kg÷ 177.450KJ/Kg

Hence, the mass of material = 26.6 Kg

Learn more about Mass here:

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6 0
2 years ago
The light from the Sun heats a metal surface
Nina [5.8K]
This is called Conduction.
4 0
3 years ago
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dybincka [34]

Answer:

The normal force will be lower than the gravitational force acting on the car. Therefore the answer is N < mg, which is <em>option B</em>.

Explanation:

Over a round hill, the centripetal force acting toward the the radius of the hill supports the gravitational force (mg) of the car. This notion can be expressed mathematically as follows:

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At the foot of a round hill

Normal Force = centripetal force + Gravitational force

4 0
4 years ago
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