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Sati [7]
3 years ago
5

Kai takes a hamburger off of the grill and puts a piece of cheese on it. Explain how and why the cheese melts when Kai puts it o

n the hamburger.
Physics
2 answers:
Leokris [45]3 years ago
5 0

The piece of cheese melts when it’s placed on the hamburger because conduction occurs. The hamburger is warmer than the cheese, so thermal energy is transferred from the hamburger to the cheese, causing it to melt


The Correct Answer to this response

Yanka [14]3 years ago
3 0
Because the hamburger is still hot from the grill, the cheese melts because of that heat.
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The three forces shown act on a particle. what is the direction of the resultant of these three forces?
melisa1 [442]
Missing figure: http://d2vlcm61l7u1fs.cloudfront.net/media/f5d/f5d9d0bc-e05f-4cd8-9277-da7cdda3aebf/phpJK1JgJ.png

Solution:
We need to find the magnitude of the resultant on both x- and y-axis.

x-axis) The resultant on the x-axis is
F_x = 65 N\cdot cos 30^{\circ} - 30 N - 20 N\cdot sin 20^{\circ} = 19.45 N
in the positive direction.

y-axis) The resultant on the y-axis is
F_y = 65 N \cdot sin 30^{\circ} - 20 N \cdot cos 20^{\circ} = 13.70 N
in the positive direction.

Both Fx and Fy are positive, so the resultant is in the first quadrant. We can find the angle and so the direction using
\tan \alpha =  \frac{F_y}{F_x} = \frac{13.70 N}{19.45 N}=0.7
from which we find 
\alpha=35^{\circ}
7 0
4 years ago
A rolling ball has 3,276) of energy, what is it's mass when it is rolling at a velocity of 53m/s? what is the mass​
hram777 [196]

Initial velocity U = 0

Final velocity V = 32.23 m/s

Explanation:

Given that a coin is dropped from the top of the Tower of Pisa, 53m above the ground.

What is the coin's initial velocity ?

Since the coin is dropped from the tower, the initial velocity U will be equal to zero.

Therefore, U = 0

But the final velocity V will be calculated by using the formula

V^2 = U^2 + 2gH

V^2 = 0 + 2 × 9.8 × 53

V^2 = 1038.8

V = sqrt ( 1038.8)

V = 32.23 m/s

sorry if did not help :(

3 0
3 years ago
60 point!!!
erastova [34]

Answer:

Playing hockey, driving a car, and even simply taking a walk are all everyday examples of Newton's laws of motion.

7 0
3 years ago
Pleaseeee help!!!!!!
Lana71 [14]
You are correct because by fixing the faucet there will be less water dripping
3 0
3 years ago
Read 2 more answers
HELPPP WILL GIVE BRAINLIEST!!!!
marishachu [46]

Explanation:

Thermal energy is basically the energy derived from heat when there is a temperature change in a body.

Kinetic energy is the energy due to the motion of a body.

Potential energy is the energy at rest or due to the position of a body.

  • Thermal energy is highly related to kinetic and potential energy.
  • Thermal energy is a type of kinetic energy because it causes the motion of the particles in a body.
  • An increase in thermal energy gives the particles more energy to move and then, their kinetic energy increases.
  • Kinetic energy is directly related to thermal energy.
  • A low thermal energy increases the potential energy in a body.
  • A body at rest will exert its maximum potential energy.

learn more:

Thermal energy brainly.com/question/914750

#learnwithBrainly

4 0
4 years ago
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