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Natali5045456 [20]
2 years ago
14

Jan is holding an ice cube. What causes the ice to melt?

Physics
1 answer:
Alexxandr [17]2 years ago
3 0

The ice melts because Thermal energy from Jan’s hand is transferred to the ice.

<h3>What is thermal energy?</h3>

Thermal energy is the energy due to temperature difference.

Thermal energy flows from hotter to colder bodies.

The ice Jan is holding melts because heat is transferred from his hands t the ice.

In conclusion, thermal energy flow causes melting.

Learn more about thermal energy at: brainly.com/question/19666326

#SPJ1

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Westkost [7]
False because when the training higher there is less oxygen
5 0
2 years ago
The rectangular boat shown below has base dimensions 10.0 cm × 8.0 cm. Each cube has a mass of 40 g, and the liquid in the tank
Paladinen [302]

When boat is sunk into the liquid the net buoyancy on the boat is counterbalanced by weight of the boat

So here weight of the boat = Buoyancy force

let say boat is sunk by distance "h"

now we can say

F_b = \rho * V * g

F_b = 1000*0.10 * 0.08 * h * 9.8

now by above force balance equation we can write

m*g = F_b

0.040 * 9.8 = 1000 * 0.10 * 0.08 * h * 9.8

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8 0
2 years ago
Cindy exerts a force of 40 newtons and moves a chair 6 meters. Her brother Andy pushes a different chair for 6 meters while exer
klasskru [66]
Work formula:
W = F * d
F 1 = 40 N, d 1 = 6 m;
F 2 = 30 N; d 2 = 6 m.
W ( Cindy ) = 40 * 6 = 240 Nm
W ( Andy ) = 30 * 6 = 180 Nm
The difference of their amounts if work:
240 Nm - 180  Nm = 60 nm

hope it helps!
3 0
2 years ago
What is the automated system that uses an automated work cell controlled by electronic signals from a common centralized compute
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Answer:

The automated system that uses an automated work cell controlled by electronic signals from a common centralized computer facility is "Robotics"

Explanation:

Robotics is an advanced technology fully automated which uses electronic sensors incorporated with the combination of control into mechanical systems greatly enhancing the performance and flexibility of the systems. This is possible with the advances in hardware, software, and control programming systems which amounts to extensive automation from a common centralized computer facility.

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4. Which of the following best describes Kinetic Energy?
4vir4ik [10]

Answer:

Energy Of Motion

Explanation:

4 0
3 years ago
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