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serg [7]
3 years ago
7

When you lift a box off the ground gravity opposes your lifting force.

Physics
1 answer:
ivolga24 [154]3 years ago
6 0

Answer:

TRUE?

Explanation:

Im not really sure what your question is.

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A capacitor c is connected in series with a resistor r across a battery and an open switch. if a second capacitor of capacitance
ch4aika [34]
Okay it would be really heplful if there was a figure present, now its not clear that where the capacitor (2C) is connected ? is it parallel with the R+C combination or just with C ?
still im going to assume that 2C is being connected with C in parallel
so 
6 0
4 years ago
A bumblebee buzzes past you at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the speed of sound to be 342
dsp73
As the bumblebee approaches me, the frequency of sound becomes higher than the 152 Hz because of the velocity with which the bee approaches at 3 m/s.

The speed of the bee causes me to detect an increase of frequency higher than 152 Hz.

This phenomenon is called Doppler Effect.

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6 0
3 years ago
5. Bill is swimming and drops his swim goggles in the pool. He looks from above the top of the water to see where they fell and
Alexus [3.1K]

The interaction of light that distorted the image of where Bill's goggles appear to be is Refraction.

<h3>What happens to the speed of light when it hits water in a swimming pool?</h3>

The light slows down when it passes from the less dense air into the water, this slow down of the ray of light which  causes the ray of light to change direction and then the changes the speed of the light that causes refraction.

The swimming pool appears shallow than it appear to be  because the rays of light coming from the bottom of the swimming pool that is refracted by the water making the height of the swimming pool to be above the actual swimming pool bed and there by misleading the observer(Bill).

Get more information about Refraction of light herebrainly.com/question/15838784

#SPJ1

4 0
1 year ago
4. A 1,000-kilogram satellite completes a uniform circular orbit of radius 8.0 x 10 meters as
lesantik [10]

Answer:

Zero

Explanation:

The work done by a force on an object is given by:

W=Fd cos \theta

where

F is the magnitude of the force

d is the displacement of the object

\theta is the angle between the direction of the force and the displacement of the object

In this situation, the force is the force of gravity acting on the satellite. This force always points towards the centre of the trajectory, so it is always perpendicular to the direction of motion of the satellite (since the orbit is circular), so \theta=90^{\circ} and cos \theta =0. Therefore, the work done by gravity is also zero.

5 0
3 years ago
Can someone please help me understand why i feel like no one cares and why i feel the need to cry my self to sleep or why i feel
dexar [7]
I’m very sorry that you feel like this love it gets better I promise I didn’t think that it would either but it did and it will for you too
3 0
3 years ago
Read 2 more answers
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