3 years ago

Come ask me questions

1 answer:

8 0

Answer:

What are 3 different scenarios of the Endocrine system and what hormones are used in each? As well as the explanation of what happens in their nervous system with this scenario.

Explanation:

This is random but whatever :) You don't actually have to answer if you don't know or whatever haha

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A bicycle has wheels of 0.70 m diameter. The bicyclist accelerates from rest with constant acceleration to 22 km/h in 10.8 s. Wh

Anna11 [10]

Answer:

$\alpha=0.16\frac{rad}{s^2}$

Explanation:

Angular acceleration is defined as the variation of angular speed with respect to time:

$\alpha=\frac{\omega}{t}$

The relation between the angular speed and the linear speed is given by:

$\omega=\frac{v}{r}$

Replacing (2) in (1):

$\alpha=\frac{v}{rt}$

We need to convert $\frac{km}{h}$ to $\frac{m}{s}$ :

$22\frac{km}{h}*\frac{1h}{3600s}*\frac{1000m}{1km}=6.11\frac{m}{s}$

Recall that:

$r=\frac{d}{2}=\frac{0.7m}{2}=3.5m$

Replacing:

$\alpha=\frac{6.11\frac{m}{s}}{(3,5m)(10.8s)}\\\alpha=0.16\frac{rad}{s^2}$

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4 years ago

Find the current through a 12 ohm resistive circuit when 24 volts is applied

marusya05 [52]

Answer:

Explanation:

Voltage = Current * Resistance

V= I*R

I=V/R

I = 24/12 = 2A.

5 0

4 years ago

In a chemical reaction does matter increase, decrease, or disappear.

viva [34]

Matter doesn't disappear

7 0

4 years ago

Read 2 more answers

33 POINTS How can I get the temperature? SOUND SPEED 340 m/s = 331 m/s + (0,6xTemperature)

inessss [21]

(340-331)/0.6 = temp

9/0.6

90/6

30/2

15 degrees

6 0

3 years ago

By using 3.2 nm x-rays on human tissue, images can be made showing microtubules in the nuclei of cells. What is the frequency of

Bingel [31]

Frequency of any wave = (speed) / (wavelength)

Frequency = (3 x 10⁸ m/s) / (3.2 x 10⁻⁹ m) = 9.375 x 10¹⁶ Hz

= 93,750,000 GHz

8 0

3 years ago