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Roman55 [17]
3 years ago
10

MY PAPER IS DUE IN AN HOUR!!!

Physics
2 answers:
Doss [256]3 years ago
7 0

Answer:

Your kinetic energy is always proportional to the square of your speed,

no matter whether you're on a bicycle, a roller coaster, or a baby carriage.

The faster you're moving, the more kinetic energy you have.

Your potential energy doesn't depend on speed at all, only on height.

On a roller coaster, the minimum speeds are usually at the top of a hill

or a loop, so the potential energy would generally correspond to the

slowest speeds. But again, that's not because of the speed. It's because

of the height.

Explanation:

Delvig [45]3 years ago
6 0

Answer:

njjnbhkjgjbvggvn

Explanation:

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Which best describes the meaning of the stayement “if A , then B”
Darya [45]

Answer:

A statement of the form “If A, then B” asserts that if A is true, then B must be true also. If the statement “If A, then B” is true, you can regard it as a promise that whenever the A is true, then B is true also.

I HOPE IT'S HELP.......

7 0
3 years ago
A wave has a speed of 50m/sec if its frequency is 100 hz what's it's wavelength
Igoryamba
<span>A wave has a speed of 50m/sec. If its frequency is 100 hz, what's it's wavelength?</span>

7 0
4 years ago
What does it mean that a form of energy might take more energy to harness than it provides?
Elden [556K]
Inefficiency is a big struggle when it comes to renewable resources. A form of energy might take more energy to harness than it provides because the energy might dissipate. Energy transformation is never 100% conversion. Some of the energy dissipates in the form of heat. 
3 0
3 years ago
You overindulged on a delicious dessert, so you plan to work off the extra calories at the gym. To accomplish this, you decide t
iragen [17]

Answer:

17086

Explanation:

We are given that

Weight=5 kg

Distance of elbow from the weight=d=35 cm=\frac{35}{100}=0.35 m

1 m=100 cm

g=9.8m/s^2

Work done  each time on the weight=mgh=5\times 9.8\times 0.35=17.15 J

20%  means 0.20 of food energy=Work done each time on weight

Total work done in each time=\frac{17.15}{0.2}=85.75J

1 food calorie=4186 J

350 food calories=350\times 4186 J

Number of lift needed=\frac{350\times 4186}{85.75}=17086

Hence, you must do 17086 arm raises to work off 350 food calories.

6 0
4 years ago
The maximum safe air pressure of a tire is typically written on the tire itself. The label on a tire indicates that the maximum
Lelu [443]

Answer:

220.508 kPa

Explanation:

32 psi = 32 pound force per square inch = 32 lbf/in2 = 32 * (4.448 N/lbf) * (12 in/ft * 3.28 ft/m)^2

= 32*4.448*(12*3.28)^2 = 220508 N/m^2 or 220508 Pa or 220.508 kPa

So the maximum safe air pressure of a tire is 220.508 kPa

7 0
3 years ago
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