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
Assoli18 [71]
3 years ago
14

Explain why you cannot use mass or volume alone to identify substances.

Physics
1 answer:
Alex17521 [72]3 years ago
4 0
Objects can have the same mass (but different <span>compositions). Only mass or volume cannot tell you if the object is solid or vo</span>lumes) or same volume (but different masses) 

You might be interested in
What does this picture mean?
ivann1987 [24]
<span>
be aware of large trucks on the roadway
Tip: usually, these signs are hazard signs or warning.
Also, this isnt physics </span><span />
5 0
3 years ago
Read 2 more answers
A pilot heads his jet due east. The jet has a speed of 475 mi/h relative to the air. The wind is blowing due north with a speed
oksian1 [2.3K]

Explanation:

a. The velocity of the wind as a vector in component form will be represented as v vector:

    v=30j

b.The velocity of the jet relative to the air as a vector in component form will be represented as u vector

    u=475i

c. The true velocity of the jet as a vector will be represented as w:

  w=u+v

  w=475i+30j

d.  The true speed of the jet will be calculated as:

    IwI=\sqrt{(475)^2+(30)^2}

    IwI=\sqrt{225625+900}

    IwI=\sqrt{226525}

    IwI=476 mi/h

e. The direction of the jet will be:

tita=tan^{-1}\frac{30}{475}

tita=tan^{-1}(0.0632)

tita=3.62degrees,or,N86.38degreesS

7 0
3 years ago
Describe the difference between nuclear energy and light energy.
ale4655 [162]
<span> Light energy is verified by many scientists to be made of particles called photons. The amount of energy in each photon is related to its wavelength using the Planck-Einstein equation.  </span><span>Nuclear energy the binding energy of atomic nuclei which holds the subatomic particles within the nucleus.</span>
8 0
3 years ago
3. As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Vladimir [108]

Answer:

As an object’s temperature increases, the Rate at which it radiates energy increases.

7 0
3 years ago
Read 2 more answers
A skier starts from rest down a slope 500.0 M long, the skier accelerates at a constant rate of 2.00 m/s/s, what's the velocity
nevsk [136]
We can use the kinematic equation
(v_f)^2 = (v_i)^2 + 2*a*d
where Vf is what we are looking for
Vi is 0 since we start from rest
a is acceleration
and d is the distance

we get
(Vf)^2 = (0)^2 + 2*(2)*(500)
(Vf)^2 = 2000
Vf = about 44.721
or 44.7 m/s   [if you are rounding this by significant figures]
8 0
3 years ago
Other questions:
  • Millikan's oil-drop experiment measures the charge on individual oil drops. Why would you try to set the electric field force on
    7·1 answer
  • The diagram below shows the layers of a rock having a trilobite. which statement about the rock fossils is true?
    7·1 answer
  • Ok, so I've answered this question but I really need someone to just check through it because I have this feeling that I've done
    10·2 answers
  • Imagine you are holding a small ball below you so that you look down on its "north pole." turn the ball in a counterclockwise di
    15·1 answer
  • A brick of mass 1.15 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. The circle ha
    5·1 answer
  • The direction that an induced current flows in a circuit is given by
    11·1 answer
  • Avg velocity definition | Problem Average velocity vectors…
    11·1 answer
  • Suppose, the same angular momentum is transferred to two rotating bodies of different moment of inertia , how will you compare t
    14·1 answer
  • When the moving sidewalk at the airport is broken, as it often seems to be, it takes you 41 ss to walk from your gate to baggage
    12·1 answer
  • 1. A student practicing for a track meet ran 263 m in 30 sec. What was her average speed?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!