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Neporo4naja [7]
3 years ago
6

A passenger in a car moving at a 40 m/s is not moving when which frame reference is used?

Physics
1 answer:
barxatty [35]3 years ago
8 0
<h2>Explanation:    nwwwwwwwwwwwwwwwwnwwjbwjwbjw<em>jjjjjj</em><u><em>jjjjjjkkkkkkkkkkkhkhjbnbn</em></u></h2>

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During the day, Susan notices that the wind is blowing onshore at the beach. What is this called?
sammy [17]
For the answer to the question above, it is A. Sea Breeze or <span>on shore, </span>breeze<span> is a gentle wind blowing from the </span>sea<span> toward land, that develops over bodies of water near land due to differences in air pressure created by their different heat capacity. It is a common occurrence along coasts during the morning as solar radiation heats the land more quickly than the water.</span>
6 0
3 years ago
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A cyclist intends to cycle up a 7.70o hill whose vertical height is 126m. Assuming the mass of bicycle plus person is 75.0kg, ca
Ksivusya [100]

Answer:

92704.5 J

596.44737 N

Explanation:

m = Mass of person + bicycle = 75 kg

g = Acceleration due to gravity = 9.81 m/s²

h = Vertical height = 126 m

\theta = Angle = 7.7°

d = Diameter = 0.388 m

Work done against gravity is given by

P=mgh\\\Rightarrow P=75\times 9.81\times 126\\\Rightarrow P=92704.5\ J

Work done is 92704.5 J

Force required is given by

F=\dfrac{mgrsin\theta}{\pi d}\\\Rightarrow F=\dfrac{75\times 9.81\times sin7.7\times 5.12}{\pi\times 0.388}\\\Rightarrow F=596.44737\ N

The force is 596.44737 N

7 0
3 years ago
When electrons are removed from an atom, the atom becomes positively charged and is referred to as a(n)
sesenic [268]

Answer is Cation

whilst an anion is the one that is negatively charged after gaining electrons

7 0
3 years ago
You need to repair a broken fence in your yard. The hole in your fence is
Nadusha1986 [10]

Answer:

 cost = $ 243.00

Explanation:

This exercise must assume that it uses a complete table for each piece, we can use a direct ratio of proportions, if 1 table is 0.20 m wide, how many tables will be 3.00 m

                 #_tables = 3 m (1 / 0.20 m)

                #_tables = 15 tables

Let's use another direct ratio, or rule of three, for cost. If a board costs $ 16.20, how much do 15 boards cost?

              Cost = 15 (16.20 / 1)

              cost = $ 243.00

3 0
3 years ago
you are moving fast on a skateboard when your wheel gets stuck in a crack on the sidewalk using the term inertia explain what ha
Leya [2.2K]
When the wheels of the skateboard get stuck in the crack of the sidewalk, the riders inertia will continue forward and cause him to fall off/down.

5 0
4 years ago
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