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3 years ago

You have finger tips but you dont have toe tips but you can tip toe explain pls

Physics

1 answer:

Arada [10]3 years ago

4 0

Answer:

ummmmmmmm

Explanation:

this might be some type of trick question bro lol

or someone tryna play with you if the teacher gave you this question bro she deserves to be fired

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A heavy ball with a weight of 100 NN is hung from the ceiling of a lecture hall on a 4.4-mm-long rope. The ball is pulled to one

allochka39001 [22]

Answer:

175.3 N

Explanation:

The motion of the ball is a uniform circular motion, therefore the net force on it must be equal to the centripetal force.

There are two forces acting on the ball at the lowest point of motion:

- The tension in the string, T , upward

- The weight of the ball, $mg$ , downward

The net force (centripetal force) has the same direction as the tension (upward, towards the centre of the circular path), so we can write:

$T-mg=m\frac{v^2}{r}$

where the term on the right is the expression for the centripetal force, and where:

T is the tension in the string

$mg=100 N$ is the weight of the ball

$m=\frac{mg}{g}=\frac{100}{9.8}=10.2 kg$ is the mass of the ball

v = 5.7 m/s is the speed of the ball at the lowest point

r = 4.4 m is the length of the rope, so the radius of the circle

Solving for T, we find the tension in the string:

$T=mg+m\frac{v^2}{r}=(100)+(10.2)\frac{5.7^2}{4.4}=175.3 N$

7 0

4 years ago

Identify the basic structure of a chemical equation

guajiro [1.7K]

The basic structure would be:

Reactants → Products

6 0

3 years ago

Use the circuit diagram to decide if the lightbulb will light. Justify your answer.

podryga [215]

Answer:

The lightbulb will NOT light.

Explanation:

You put me in a difficult position. I can't help it, but the "sample answer" is by far the best way to explain this, briefly and correctly. There's no other choice but to copy it.

This is a short circuit. The branch without the bulb has almost no resistance, so all the current will flow through that branch instead of flowing through the bulb.

If the lower switch were opened, THEN we would have a series circuit. Current would no longer have any other choice but to flow through the bulb, and the bulb would light.

5 0

3 years ago

Read 2 more answers

What is the particles instantaneous speed at t=16 sec

Ira Lisetskai [31]

It's 3.6 meters per second less than my speed was
at 4:19 PM last Tuesday.

Does that tell you anything ?
Why not ?

8 0

3 years ago

Light intensity is?

Fittoniya [83]

The correct answer is:
The rate at which a waves energy flows through a given unit of area

In fact, light intensity is defined as the light power per unit of area:
 $I= \frac{P}{A}$
but the power is the energy carried by the light per unit of time:
 $P= \frac{E}{t}$
this means that the intensity can be rewritten as
 $I= \frac{E}{tA}$ 
So, it's basically the rate of energy (per unit of time) through a given surface.

5 0

3 years ago

Read 2 more answers