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Slav-nsk [51]
4 years ago
14

Please answer quickly and correctly. if you do i will mark you brainliest

Physics
1 answer:
zhannawk [14.2K]4 years ago
5 0

Answer:

The answer is B

Explanation:

My answer to this quesstion is B because the black fur will absorb more light which then results for the black dog with black fur at a greater risk.

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inn [45]
Positive 2n to the right of the box
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3 years ago
Determine the velocity that a car should have while traveling around a frictionless curve of radius 100m and that is banked 20 d
alex41 [277]

Answer:

v=18.89\frac{m}{s}

Explanation:

From the free-body diagram for the car, we have that the normal force has a vertical component and a horizontal component, and this component act as the centripetal force on the car:

\sum F_x:Nsin(20^\circ)=ma_c(1)\\\sum F_y:Ncos(20^\circ)=mg(2)

Solving N from (2) and replacing in (1):

N=\frac{mg}{cos(20^\circ)}\\(\frac{mg}{cos(20^\circ)})sin(20^\circ)=ma_c\\gtan(20^\circ)=a_c

The centripetal acceleration is given by:

a_c=\frac{v^2}{r}

Replacing and solving for v:

gtan(20^\circ)=\frac{v^2}{r}\\v=\sqrt{grtan(20^\circ)}\\v=\sqrt{9.8\frac{m}{s^2}(100m)tan(20^\circ)}\\v=18.89\frac{m}{s}

4 0
4 years ago
Why are the types of shoes you wear in the kitchen important? What are the possible consequences of wearing inappropriate footwe
Nonamiya [84]

Why are the types of shoes you wear in the kitchen important?

• One of the best ways to prevent slip and fall accidents at work is to wear the right type of shoes. Footwear is paramount when it comes to safety in a kitchen setting. Grease spilled liquids, and vegetable debris can litter a chef's floor at any time, presenting major slip and fall hazards.

What are the possible consequences of wearing inappropriate footwear in the kitchen?

• Non-slip shoes greatly reduce the risk of accidents in the kitchen. Slips and falls can result in bruises, bleeding, broken bones, and concussions. If someone falls in the wrong place, he or she could receive serious burns or knife wounds.

5 0
3 years ago
A mass weight of 120N is hung from two strings. what is the tension?
kramer
The weight should be shared between the two string equally. Therefore, tension in each string, T is;

T = 120 N/2 = 60 N
7 0
4 years ago
Read 2 more answers
Describe the valence electrons in nitrogen and how it could bond to other atoms?
Gekata [30.6K]

Answer:

Each nitrogen molecule consists of two atoms of nitrogen that are bonded by a triple covalent bond. This is because each nitrogen atom has 5 valence electrons. Each atom can complete its octet by sharing three electrons.

I hope this helps!

4 0
3 years ago
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