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marin [14]
3 years ago
6

What if you were a mother for a day boys and girls

Physics
1 answer:
Dominik [7]3 years ago
6 0
I’m am a mother no drama !!!!

Boom
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Which of the following choices is the best example of potential energy?
jekas [21]

Answer:

A basketball sitting still in a players hands

Explanation:

The other 3 answers have the ball <u>in motion</u> (going towards the basket, bouncing, and rolling) so that would be <u>kinetic energy</u>.

When the basketball is sitting in the player's hands, it has the potential to be in motion.

8 0
3 years ago
Octane is an important component of gasoline. Octane will ignite at a temperature of 428°F. What is this temperature on the Cels
xxMikexx [17]
The requirement is to change the °F to °C scale. That is;

T(°C) = [T(°F) - 32]/1.8

Substituting;

T(°C) = [428 - 32]/1.8 = 396/1.8 = 220 °C.

Therefore, 428°F will be 220°C on Celsius scale.
5 0
4 years ago
Why are plants generally green?
e-lub [12.9K]

The correct answer is option D, "The pigment chlorophyll reflects green light waves"

The chloroplast with in the plants consists of chlorophyll (green colour pigment) which is highly absorbent to the long and short wavelengths such as red and blue wavelength of visible spectrum and reflects green wavelengths thereby producing green colour visualizations to the viewer. The two common chlorophyll usually found in the leaves are chlorophyll A and B. Chlorophyll A is majorly responsible for reflecting the green light

7 0
3 years ago
A 800-gram grinding wheel 27.0 cm in diameter is in the shape of a uniform solid disk. (We can ignore the small hole at the cent
SSSSS [86.1K]

Explanation:

d = Diameter of wheel = 27 cm

r = Radius = \frac{d}{2}=\frac{27}{2}=13.5\ cm

m = Mass of wheel = 800 g

\omega_i = Initial angular velocity = 245\times \frac{2\pi}{60}\ rad/s

Equation of rotational motion

\omega_f=\omega_i+\alpha t\\\Rightarrow \alpha=\frac{\omega_f-\omega_i}{t}\\\Rightarrow \alpha=\frac{0-245\times \frac{2\pi}{60}}{50}\\\Rightarrow \alpha=-0.51312\ rad/s^2

Moment of inertia is given by

M=\frac{1}{2}mr^2\\\Rightarrow M=\frac{1}{2}\times 0.8\times 0.135^2\\\Rightarrow M=0.00729\ kgm^2

Torque is given by

\tau=I\alpha\\\Rightarrow \tau=0.00729\times -0.51312\\\Rightarrow \tau=-0.0037406448\ Nm

The torque the friction exerts is -0.0037406448 Nm

For more information on torque and moment of inertia refer

brainly.com/question/13936874

brainly.com/question/3406242

7 0
3 years ago
What color of light do green objects reflect?
tekilochka [14]
Green because it is the color it does not absorb.
Hope this helps! 
8 0
3 years ago
Read 2 more answers
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