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
RoseWind [281]
3 years ago
14

Stacy set up three vials on a hot plate. He poured the same amount of liquid

Physics
2 answers:
tensa zangetsu [6.8K]3 years ago
4 0
A because he is putting three vitals on a hot plate
Julli [10]3 years ago
4 0
He’s testing surface tension.
You might be interested in
Calculate the speed of sound in a string that has a tension of 100 N and a linear mass density of 0.0001 kg/m
Svetradugi [14.3K]
You will need to divide it.
8 0
2 years ago
NEED ANSWER ASAP WHOEVER ANSWERS THE QUICKEST ILL GIVE BRAINILEST ANSWER!!!
zhenek [66]
A i think because it’s talking about covering ground, a faster car would cover more ground.
7 0
3 years ago
A hockey puck is sliding across a frozen pond with an initial speed of 9.5 m/s. It comes to rest after sliding a distance of 37.
Bond [772]

Answer:

<h3>The coefficient of kinetic friction between the puck and the ice is \mu _{k} = 0.12</h3>

Explanation:

Given :

Initial speed  v_{o} = 9.5 \frac{m}{s}

Displacement x = 37.4 m

From the kinematics equation,

  v^{2} - v^{2} _{o}  = 2ax

Where v^{2}   = final velocity, in our example it is zero (v =0), a = acceleration.

   a =- \frac{90.25}{ 2 \times 37.4}

   a =- 1.21 \frac{m}{s^{2} }

From the formula of friction,

  F =- \mu _{k } N

Minus sign represent friction is oppose the motion

Where N = mg ( normal reaction force )

 ma = -\mu _{k}  m g                                                  ( ∵ g = 9.8 \frac{m}{s^{2} } )

So coefficient of friction,

 \mu_{k} = \frac{1.21}{9.8}

 \mu_{k} = 0.12

Therefore, the coefficient of kinetic friction between the puck and the ice is  \mu _{k} = 0.12 .

4 0
3 years ago
If an object is moving, then the magnitude of its ____ cannot be zero.
Bad White [126]
If an object is moving, then its speed and the magnitude
of its velocity aren't zero. 

If its velocity is constant (speed doesn't change and it's
moving in a straight line), then its acceleration is zero.

Looks like choice-D sums it up nicely.
7 0
3 years ago
The _______ theory states that the Moon formed as the result of a collision between Earth and a Marssized object.
FromTheMoon [43]
D.) giant impact

hope this helps 
4 0
3 years ago
Other questions:
  • To have momentum, an object must be ______. A. heavy B. massive C. moving D. accelerating
    5·2 answers
  • A current can be produced in a coil of wire _____.
    6·1 answer
  • A spring is stretched from equilibrium to 0.90 m and the work done on the spring equals 18j what is the value of the spring cons
    12·1 answer
  • What is the average speed of the marble as it rolls across the floor?
    5·1 answer
  • Why do you think soccer is an important sport?
    12·1 answer
  • What is the formula for the speed of a car
    7·2 answers
  • If a dog has a mass of 2.5 kg, what is its weight and what is the normal force that it feels.<br> I
    14·1 answer
  • What state of matter has the highest energy? options: <br> A. solid <br> B. gas <br> C. liquid
    6·2 answers
  • Could someone help me with some info for an essay?I WILL REPOST FOR 100 POINTS IF YOU CAN.
    8·1 answer
  • If you're driving 55 MPH and you suddenly need to stop, how many feet will you travel before the car comes to a stop
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!