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Arisa [49]
3 years ago
8

If you have a 100-watt light bulb, how much energy does it use each minute?

Physics
1 answer:
Mamont248 [21]3 years ago
3 0
A 100-watt light bulb uses 6,000 joules per minute.
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Sound waves are a longitudinal wave that have a speed of about 340 m/s when traveling through room temperature air. What is the
AlexFokin [52]

The wavelength of the wave is 0.055 m

Explanation:

The relationship between speed, frequency and wavelength of a wave is given by the wave equation:

v=f\lambda

where

v is the speed

f is the frequency

\lambda is the wavelength

For the sound wave in this problem we have

v = 340 m/s is the speed

f = 6,191 Hz is the frequency

Solving for \lambda, we find the wavelength:

\lambda=\frac{v}{f}=\frac{340}{6191}=0.055 m

Learn more about waves and wavelength:

brainly.com/question/5354733

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8 0
3 years ago
Need help with these please
Montano1993 [528]

Answer:

Explanation:

Which number all or one?

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Hello people ~
lozanna [386]

Answer:

It’s called a conservative field.

Explanation:

I think it’s going to be the conservative field because in the question it talks about how it is able to become possible to define potential at a point in an electric field because electric field.

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2 years ago
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When a Lunar Module landed on the Moon, it used thrusters to slow its descent to the surface. When other spacecraft are returned
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A parachute is a device designed to generate a LOT of air resistance.
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3 years ago
a car company wants to ensure its newest model can stop in 50 m when traveling at 30 m/s (which is about 108 km/h). if we assume
Brut [27]

A decrease in velocity is referred to as deceleration. If car is moving at 30 m/s and stop in 50 m .The value of deceleration is 11.56 ms−2.

<h3>How to calculate deceleration ?</h3>

While acceleration is motion in which an object's speed varies every second, deceleration is motion that causes an object to slow down.

We are aware that acceleration refers to an object's rate of increase in speed, and deceleration refers to an object's rate of decrease in speed. For instance, when we apply the brakes while driving, we benefit from the vehicle's ability to decelerate and slow down.

The Deceleration Formula is the final velocity minus the initial velocity, with a negative sign in the result because the velocity is decreasing, if starting velocity, final velocity, and time taken are given.

velocity of car = 30 m/s

car need to stop in 50m

Deceleration a = v^2 –  u^2 / 2s

                          = 0^2 - 50^2 / 2*30

                          = 11.56

Deceleration of the care = 11.56 ms−2

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