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Alex777 [14]
2 years ago
6

Which units are used to measure both velocity and speed? choose three options.

Physics
2 answers:
PolarNik [594]2 years ago
7 0
Ne demek istoyusun anlamadım
jarptica [38.1K]2 years ago
4 0

Explanation:

third and fifth option along with the first one are right

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A car travels at 40 mph. what distance will it travel in 3 hours?​
lukranit [14]

Car speed = 40m/ hour

3 hours = 40 × 3 = 120m /hour

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2 years ago
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A sphere has a mass of 8.5 kg and a radius of 10cm. How much work is it necessary to do on the ball to get it to a speed of 6.0m
LenaWriter [7]

Answer:

<h2>153J</h2>

Explanation:

Step one:

given data

mass m= 8.5kg

radius r= 10cm in meters = 0.01m

velocity v= 6m/s

The work done will be the same as the energy possessed by the sphere at such speed

Required

the work one in Joules

we know that

KE=1/2mv^2

KE=1/2*8.5*6^2

KE= 1/2*8.5*36

KE=306/2

KE=153J

5 0
3 years ago
Which of the following diagrams represent a balanced force
Amanda [17]
I don’t see the diagram :)?
3 0
2 years ago
Why is a biome an open system?
Rasek [7]
Biome is an open system because energy and matter are constantly being transferred in and out.
 

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5 0
2 years ago
A 125kg man buy a 6kg watermelon, a 3kg cantaloupe, and 6kgs of potatoes, he walks home with his purchases in a large bag. His w
Stells [14]

Answer:

350N

Explanation:

Given parameters:

Mass of the man = 125kg

Mass of the watermelon = 6kg

Mass of cantaloupe  = 3kg

Mass of potatoes  = 6kg

Acceleration  = 2.5m/s²  

Unknown:

Force required to get home  = ?

Solution:

To find this force we use;

    Force  = mass x acceleration

mass  = 125 + 6 + 3 + 6  = 140kg

 So;

      Net force = 140 x 2.5  = 350N

5 0
3 years ago
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