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Juliette [100K]
3 years ago
7

what color does acid turn red litmus papera substance tested with blue litmus paper, is clear and colorless, and feels slippery.

What can you determine about this substance
Physics
1 answer:
Mariulka [41]3 years ago
4 0
When red litmus paper comes into contact with any alkaline substance, it turns blue. Some examples of alkaline substances are ammonia gas, milk of magnesia, baking soda and limewater.
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What is the period of a 1.00 m long pendulum?
svlad2 [7]
I am going to say the answer is 2.00
6 0
3 years ago
3. A scooter with a mass of 24 kg accelerates at 14 m/s/s when ______ N of force is applied.
wariber [46]

Answer:

<h2>336 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

Force = 24 × 14

We have the final answer as

<h3>336 N</h3>

Hope this helps you

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3 years ago
How many oxygen atoms are in the following compound?<br> 8 C120
Novosadov [1.4K]

Answer:

There are 12 oxygen atoms in 8C12O.

6 0
3 years ago
What is one of the earliest ways that ancient peoples produced light?
VARVARA [1.3K]

Answer:

Candles

Explanation:

The answer is the first option or "candles." In ancient times the people would lit candles and place them in difference places in their homes, temples, etc... to produce light. It's not option B because light emitting diodes are used to light up toys and such which weren't invented in ancient times. It's not option C because fluorescent bulbs  are long light bulbs used to light up huge spaces without as many light bulbs which were again not invented at the time, and it's also not option D because incandescent bulbs are you usual light bulbs which weren't invented at the time.

Hope this helps.

4 0
3 years ago
The length of a bicycle pedal arm is 0.177 m, and a downward force of 145 N is applied to the pedal by the rider. What is the ma
kramer

Answer:

(a) 19.25 N-m

(b) 25.67 N-m

(c) 0 N-m

Explanation:

Given:

Length of the pedal arm (L) = 0.177 m

Downward force (|\vec{F}|) = 145 N

Magnitude of torque is given by the formula:

T=FL\sin\theta

Where, \theta\to angle\ between\ F\ and\ L

(a)

Given:

\theta=48.6°

Therefore, torque is given as:

T=FL\sin\theta\\\\T=(145\ N)(0.177\ m)(\sin(48.6))\\\\T=19.25\ Nm

Therefore, the torque is 19.25 N-m.

(b)

Given:

\theta=90°

Therefore, torque is given as:

T=FL\sin\theta\\\\T=(145\ N)(0.177\ m)(\sin(90))\\\\T=25.67\ Nm

Therefore, the torque is 25.67 N-m.

(c)

Given:

\theta=180°

Therefore, torque is given as:

T=FL\sin\theta\\\\T=(145\ N)(0.177\ m)(\sin(180))\\\\T=0\ Nm

Therefore, the torque is 0 N-m.

8 0
3 years ago
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