3 years ago

Which of the following causes an object to move in a curved path?

Physics

2 answers:

Brrunno [24]3 years ago

3 0

Answer:

A. centripetaal force

a_sh-v [17]3 years ago

3 0

Answer:

A. Centripetal Force

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If you use a force of 90 N to pick up a 10 pound bag of charcoal, what is the acceleration?

hjlf

Answer:

9ms^2

Explanation:

since ,Force=mass*acceleration

then, acceleration=force/mass

and, Force=90N

Mass=10pound

therefore, acceleration=90/10

=9ms^2

8 0

3 years ago

Given Vout = 17.33 vpp and R1 = 3 kΩ, find the value of RF required to provide Av = 4.33. (Round your answer to 2 decimal places

Olenka [21]

Answer:

The magnitude of $V_{2}$ is 4 V and phase of input voltage is zero

Explanation:

Given:

Output voltage $V_{out} = 17.33$

Resistance $R_{1} = 3$ kΩ

Voltage gain $A_{v} = 4.33$

For finding feedback resistance we use gain equation

Gain equation for non inverting op-amp is given by,

$A_{v} = 1+\frac{R_{f} }{R_{1} }$

$4.33 = 1+ \frac{R_{f} }{3 k }$

$R_{f}$ ≅ 10 kΩ

For finding input voltage we use,

$A_{v} = \frac{V_{out} }{V_{2} }$

$V_{2} = \frac{17.33}{4.33}$

$V_{2} = 4$ V

The Phase of $V_{2}$ is zero because output voltage phase is 360°

Therefore, the magnitude of $V_{2}$ is 4 V and phase of input voltage is zero

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3 years ago

Friction is generated when ______ interfere with each other on sliding surfaces. ...?

cricket20 [7]

<span>According to its definition, friction is generated when atoms interfere with each other on sliding surfaces.</span>

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4 years ago

What does it mean for a reaction to be endothermic? choose 2 of the following

Rainbow [258]

Answer: I would choose options C and D

Explanation:

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2 years ago

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An object with 5 protons, 5 electrons and 6 neutrons would have what charge

Anon25 [30]

Answer:

Explanation:

The object would be neutral. There are equal numbers of protons and electrons, so the positive and negative charges cancel one another.

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4 years ago