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yarga [219]
2 years ago
6

Number these from least (1) to most (5) mass ?

Physics
2 answers:
elena-14-01-66 [18.8K]2 years ago
6 0
1. a feather

2. a baseball

3.a small car

4. a truck

5 a large train
alisha [4.7K]2 years ago
5 0

Answer:

1. A feather

2. A baseball

3. A small car

4. A truck

5. A large train

Explanation:

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How long (in seconds) does it take a car accelerating at 3.1 m/s2 to go from rest<br> to 51 m/s?
Nesterboy [21]

Answer:

 t  = 16.5s

Explanation:

Given parameters:

Acceleration = 3.1m/s²

Initial velocity  = 0m/s

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Unknown:

Time taken  = ?

Solution:

To solve this problem we need to reiterate that acceleration is the rate of change of velocity with time.

So;

        Acceleration  = \frac{v  - u }{t}  

v is the final velocity

u is the initial velocity

t is the time taken

  So;

       3.1  = \frac{51 - 0}{t}  

    3.1t  = 51

       t  = 16.5s

8 0
3 years ago
What 2 things need to be known about an object in order to determine its kinetic energy?
NikAS [45]
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7 0
3 years ago
What is a highland? (A) An area of high or hilly land (B) A piece of land surrounded by water on three sides (C) A large area of
Karolina [17]

Answer:

A

Explanation:

A Highland is an area of mountains.

3 0
3 years ago
Read 2 more answers
A football player runs 20 meters North of a football field, and then 15 meters East. The total motion lasted 15 seconds. What wa
vlada-n [284]
Given:
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2nd run: 15 meters East
time: 15 seconds

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Ave. Speed = (20m + 15m) / 15s
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4 0
2 years ago
Physical science is the study of
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6 0
3 years ago
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