PHYSICS HIGH SCHOOL

For safety concerning a curve, you shouldA. Decelerate before the curve
B. Accelerate before entering the curve
C. Applying the brakes only after exiting the curve
D. Apply the accelerator throughout the entire curve

Answers

Answer 1
Answer:

Correct answer choice is:

A) Decelerate before the curve.


Explanation:

Decrease your speed before overtaking a curve. Watch out for road symbols signaling of nearing curves so that you have enough time to reduce down before driving through the curve. It is desirable to drive below the posted speed limit as you progress and drive through curves. Turn as little as probable.
Answer 2
Answer:

For safety concerning a curve, the correct answer is:

A. Decelerate before the curve.

How to take caution on curves

When approaching a curve while driving, it is essential to slow down or decelerate before entering the curve. This allows you to maintain better control of the vehicle and reduce the risk of losing traction or skidding.

By reducing your speed before entering the curve, you can handle the curve more safely and smoothly, adjusting your steering and maintaining stability throughout the turn. Accelerating into a curve or applying the brakes only after exiting the curve can lead to unsafe driving conditions and increase the likelihood of accidents. It is always safer to slow down before taking a curve to ensure a safer driving experience.

Learn more about safety  at

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An electric kettle. The input energy is 10 Joules. The useful output energy is heat 9Joules. Wasted energy is sound 1 Joules.​

Answers

Answer:

Efficiency = 90 %

Wasted energy = 10 %

Explanation:

Since we have the input energy and useful output energy of the electric kettle, the only thing we are required to calculate here is its efficiency. This is gotten from

E = useful output energy/input energy × 100

E = 9/10 × 100 = 90 %

The percentage of wasted energy is

W = wasted energy/input energy × 100

W = 1/10 × 100

W = 10 %

For this assignment, you will construct a personal dietary plan that is reflective of your current diet in terms of its nutritional value.

Answers

you don’t do it and cheat

What sometimes occurs when reclaimed water is used in agriculture?

Answers

I remember this from IPC! If farmers used reclaimed water, there is a chance of chemical contamination in the water can damage the plants, if not kill them entirely! :D

The Earth has a radius of 6,400 kilometers. A satellite orbits the Earth at a distance of 12,800 kilometers from the center of the Earth. If the weight of the satellite on Earth is 100 kilonewtons, the gravitational force on the satellite in orbit is?It would be great if you could add a few words of explanation.

Answers

By using a universal gravitational force, we can get that F_(g) = (G. m_(1) . m_(2))/( r^(2) ). 

For note : r is a distance from center of the earth to the object.

Then, if r_(1) is 6.400 km, and if r_(2) is 12.800 km,
we can say that r_(2) is 2r_(1)

In first equation we can say that :
F_(g) = (G.m_(1) m_(2) )/( r_(1)^(2) ) = 100.000 N

then in second equation we can say that :
F_(g) = (G.m_(1) m_(2) )/( r_(2)^(2) ), 
F_(g) = (G.m_(1) m_(2) )/( (2r_(1))^(2) ) (because r_(2) is 2r_(1) )
F_(g) = (G.m_(1) m_(2) )/( 4r_(1)^(2) ), 
we can say that : F_(g) = (1)/(4) (G.m_(1) m_(2) )/( r_(1)^(2) )
so, by plugging first equation into second equation, we can get
F_(g) = (1)/(4) (G.m_(1) m_(2) )/( r_(1)^(2) ) = (1)/(4) . 100.000 N = 25.000 N

All of the following are types of severe weather storms except __________.a. doldrums
b. tornadoes
c. hurricanes
d. thunderstorms

Answers

Among the choices, the only one that is not a type of a sever weather storm is A. doldrums. Doldrums are a state of stagnancy or depression, or where nothing is happening. In terms of weather, it is a low-pressure area where winds are very calm.

Answer:

A

Explanation:

doldrums  just took the test

Who was the woman to win Nobel Prize in physics in 1903?

Answers

Answer:

Marie Curie

Explanation:

She was a physicist and chemist and also the first person to win the Nobel prize in physics
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