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anastassius [24]
3 years ago
14

Which is an example of transformation potential energy to kinetic energy? Select two.

Physics
2 answers:
DiKsa [7]3 years ago
7 0

Changing chemical energy to thermal energy.

Changing nuclear energy to radiant energy.

Explanation:

Changing chemical energy to thermal energy and changing nuclear energy to radiant energy are both examples of transformation of potential energy to kinetic energy.

  • Potential energy is the energy at rest of a body. There are different forms of potential energy which are :
  1. Gravitational potential energy
  2. Nuclear energy
  3. chemical energy
  4. Electric potential energy
  5. Elastic potential energy
  • kinetic energy is the energy due to the motion of particles in a medium. Examples are:
  1. thermal energy
  2. mechanical energy
  3. radiant energy
  4. electrical energy
  5. sound energy
  6. wave energy

Learn more:

Potential energy brainly.com/question/10770261

#learnwithBrainly

Furkat [3]3 years ago
3 0

Answer:

Changing chemical energy to thermal energy.

Changing nuclear energy to radiant energy.

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A custodial pushes a crate across the gym floor. What are the forces used
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Answer:

when a custodian pushes a large crate across the gym floor, forces acting on the crate are the one applied by the custodian, frictional force acting in the opposite direction of motion acting between the surface of crate and floor and reaction force (normal force) acting in upward direction normal to the surface

Explanation:

6 0
4 years ago
1. Calculate the height of tree, 250 m away that produces
gtnhenbr [62]

Answer:

Explanation:

1.5/30 = x/250

x = 12.5 m

5 0
3 years ago
Brandon buys a new seadoo he goes 12 km north from the beach he jumps wakes for 6 km to the east the chases a boat 10 km north w
d1i1m1o1n [39]

Answer:

Distance covered 28 km

displacement is 22.8 km North-East

Explanation:

Distance shows how far apart objects or points are from each other. The distance he covered is the sum of all the distance travelled. Therefore:

Distance covered = 12 km + 6 km + 10 km = 28 km

Displacement is a vector quantity (has direction). It is the overall change in position.

The total distance traveled north = 12 km + 10 km = 22 km

The distance traveled east = 6 km

The displacement (d) is:

d² = 22² + 6² = 484 + 36

d² = 520

d = √520 = 22.8 km

Therefore the displacement is 22.8 km North-East

3 0
3 years ago
A 45.0 kg ice skater stands at rest on the ice. A friend tosses the skater a 5.0 kg ball. The skater and the ball then move back
Allushta [10]

Answer:

u = 5 m/s

Explanation:

given,

Mass of ice skater, M = 45 Kg

initial speed = 0 m/s

mass of the ball, m = 5 Kg

velocity of skater and the ball,V = 0.5 m/s

speed of the ball = ?

using conservation of momentum

m u + M u' =( M + m ) V

initial speed of ice skater is zero

5 x u + 45 x 0 =( 45 + 5 ) V

5 u = 50 x 0.5

5 u = 25

u = 5 m/s

hence, the speed of the ball is equal to 5 m/s

0 0
3 years ago
Normal force is exerted _____to the surface of an object.
Elanso [62]

The normal force is always (underline, bold) is always perpendicular to the surface an object is sitting on. If the object is on an inclined plane, then the normal will not be vertical but it will be perpendicular to the angle of the incline.

The diagram below (left) shows a normal force (GH) that is not vertical, but it is perpendicular to the surface. The object on the right is the more usual normal a mass on a table top.

The vertical line on the right is the normal and it points up.

3 0
3 years ago
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