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jeka57 [31]
3 years ago
14

A cert is searching for survivors in a building after an electrical storm. the door to one of the rooms that the team needs to s

earch is closed. some of the cert members think they smell smoke. before entering the closed room, what should the cert members do?
Physics
1 answer:
mylen [45]3 years ago
6 0

Before entering the closed room, the cert members should assess the situation first. They should gather information in order to determine if it’s safe to go or if needed assistance to the current situation. They should consider some probabilities before they establish the decision and take an action. Especially to the current situation where there is a possibility that the smoke that they smell is coming from the room and the reason may be because there is a fire. Assessing the situation before taking an action immediately is a must, in order to prevent further harm. 

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The spring of a toy car is wound by pushing the car
Zepler [3.9K]

The elastic potential energy stored in the car's spring during the process is 3.75 J

<h3>Determination of the spring constant</h3>

From the question given above, the following data were obtained:

  • Force (F) = 15 N
  • Extention (e) = 0.5 m
  • Spring constant (K) =?

K = F/e

K = 15 / 0.5

K = 30 N/m

<h3>Determination of the potential energy</h3>
  • Spring constant (K) = 30 N/m
  • Extention (e) = 0.5 m
  • Potential energy (PE) =?

PE = ½Ke²

PE = ½ × 30 × 0.5²

PE = 15 × 0.25

PE = 3.75 J

Therefore, the elastic potential energy stored in the car's spring during the process is 3.75 J

Learn more about energy stored in spring:

brainly.com/question/4280346

7 0
2 years ago
Read 2 more answers
Anyone please help thank you
Thepotemich [5.8K]

Answer:

A) earth

B) live

C) live

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Explanation:

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4 0
2 years ago
Please help in one minute will mark brainlist
azamat

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8 0
3 years ago
IP Force to Hold a Baseball A person holds a 1.42-N baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown i
mixer [17]

We will assume that the CM of the arm is at "L" from the elbow, and the ball is at 34cm. Then the net torque is computed by:


Net τ = 1.42 N * 34 cm + 1.50 kg * 9.8m/s² * 34 cm/2 – 12.6 N*2.75cm 

= 48.28 N*cm + 1.50kg * 9.8m/s² * 34 cm/2 – 12.6 N*2.75cm 

= 48.28 N*cm + 499.8 – 34.65 N*cm

τ  = 513.43 N*cm or 5.1343 N*m

6 0
4 years ago
Read 2 more answers
4. List 3 detailed examples that illustrate Newton's 2nd Law.
NNADVOKAT [17]

Examples of Newton's Second Law of Motion

Pushing a Car and a Truck. ...

Pushing a Shopping Cart. ...

Two People Walking Together. ...

Hitting a Ball. ...

Rocket Launch. ...

Car Crash. ...

Object thrown from a Height. ...

Karate Player Breaking Slab of Bricks.

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2 years ago
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