1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Whitepunk [10]
2 years ago
11

What is the centripetal acceleration of a small laboratory centrifuge in which the tip of the test tube is moving at 19.0 meters

/second in a circle with a radius of 10.0 centimeters?
Physics
2 answers:
Volgvan2 years ago
7 0
A_central = v^2/r = (19)^2/10 = 36.1 m/s^2
vivado [14]2 years ago
7 0

First convert the centimeters to meters which is 0.01m then using the equation centripital acceleration= v^2 / r = 19^2 / 0.01 you get 36100m/s^2

You might be interested in
Electrons are important to electric current because they are able to
Margarita [4]
The answer is "move from one atom to another"
8 0
3 years ago
Read 2 more answers
MA of the first class lever may be equal to, greater than 1.Why​
Anika [276]

Answer:

hjhjhjhjhjhj

Explanation:

jmjk

4 0
3 years ago
What will happen to the 0.1 N force if one charges is increased by a factor of 3?
AleksandrR [38]

Answer:

Explanation:

Force between two charges is given by the following expression

F = \frac{KQ_1Q_2}{d^2}  Q₁ and Q₂ are two charges and d is distance between two.

.1 = \frac{KQ_1Q_2}{d^2}

If Q₁ becomes three times , force will become 3 times . Hence force becomes .3 N in the first case.

Force F = .3 N

If charge becomes one fourth , force also becomes one fourth .

F= \frac{.1}{4}

= .025 N.

5 0
2 years ago
what is the power of an electrical device which operates with a current of 12.4 A and a potential difference of 12 V​
jek_recluse [69]

148.8 Watts

Explanation:

P = VI

= (12 V)(12.4 A)

= 148.8 Watts

3 0
2 years ago
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. When the carts collide, they hook toget
Nikitich [7]

Answer:

<em>Second option</em>

Explanation:

<u>Linear Momentum</u>

The linear momentum of an object of mass m and speed v is

P=mv

If two or more objects are interacting in the same axis, the total momentum is

P_t=m_1v_1+m_2v_2+...

Where the speeds must be signed according to a fixed reference

The images show a cart of mass 2m moves to the left with speed v since our reference is positive to the right

P_1=-2mv

The second cart of mass m goes to the right at a speed v

P_2=mv

The total momentum before the impact is

P_t=-2mv+mv=-mv

The total momentum after the collision is negative, both carts will join and go to the left side

The first option shows both carts with the same momentum before the collision and therefore, zero momentum after. It's not correct as we have already proven

The third option shows the 2m cart has a positive greater momentum than the other one. We have proven the 2m car has negative momentum. This option is not correct either

The fourth option shows the two carts keep separated after the collision, which contradicts the condition of the question regarding "they hook together".

The second option is the correct one because the mass m_2 has a negative momentum and then the sum of both masses keeps being negative

3 0
3 years ago
Read 2 more answers
Other questions:
  • Moving at 3.2m/s slows down after 32 seconds moving at 1.2m/s<br> What is his acceleration?
    7·1 answer
  • The first stage in the GAS model of stress is
    11·1 answer
  • how may kilojoules of heat are required to melt a 10.0g popsicle at 0 degrees C?(assume the same properties as water)
    13·2 answers
  • How many photons will be required to raise the temperature of 1.8 g of water by 2.5 k ?'?
    14·1 answer
  • A ball is dropped from an upper floor, some unknown distance above your apartment. As you look out of your window, which is 1.50
    7·1 answer
  • A. Draw the wave that results when the two waves shown interact through destructive interference. (Image attached)
    9·2 answers
  • Chromium has the electron configuration 4s1 3d5 beyond Argon. What are the L and S values?
    8·1 answer
  • Yea, gonna need some help. Thanks
    7·1 answer
  • Only people who are better than me can answer this ( ◜‿◝ )♡​
    15·2 answers
  • A merry go round has rotational inertia (moment of inertia) of 73.0 kg/m^2 and is rotating at a constant speed of 30.0 rads./sec
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!