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
Rus_ich [418]
3 years ago
14

C. length and mass

Physics
2 answers:
vaieri [72.5K]3 years ago
8 0

Answer:

Correct option is (A).

Explanation:

Given data:

Volume, V = 3 \ cm^{3}

Mass, m = 8.1 \ g

The density of the aluminium can be given as,

d = \frac{m}{V}

d = \frac{8.1 \ g}{3.0 \ cm^{3}}

d = 2.7 \ g/cm^{3}.

Eva8 [605]3 years ago
7 0
Think it would be c, 5.1 g
You might be interested in
NEED ANSWER NOW PLZ WILL MARK BRAINLIEST
PilotLPTM [1.2K]
I'm like 89% sure that the answer is C.
8 0
3 years ago
Read 2 more answers
What can be contracted through contact with saliva?
m_a_m_a [10]
Tuberculosis mrsa are some things that are contracted by saliva where spores in the air from an infected person
sneezing as well
4 0
3 years ago
NEED ASAP!! A box of mass 10 kg requires 20 N to slide it across a surface. What is the weight of the box? What is the coefficie
kaheart [24]

Answer: 7

Explanation: 7 is the superior number

3 0
3 years ago
A child throws a baseball upward with an initial velocity of 20 m/s. The child wants to throw the baseball at least as high as t
Umnica [9.8K]
When the ball starts its motion from the ground, its potential energy is zero, so all its mechanical energy is kinetic energy of the motion:
E= \frac{1}{2}mv^2
where m is the ball's mass and v its initial velocity, 20 m/s.

When the ball reaches its maximum height, h, its velocity is zero, so its mechanical energy is just gravitational potential energy:
E=mgh

for the law of conservation of energy, the initial mechanical energy must be equal to the final mechanical energy, so we have
\frac{1}{2}mv^2 = mgh
From which we find the maximum height of the ball:
h= \frac{v^2}{2g}= \frac{(20 m/s)^2}{2 \cdot 9.81 m/s^2}=20.4 m

Therefore, the answer is yes, the ball will reach the top of the tree.

5 0
3 years ago
What does x repressent on a motion map?​
Gnoma [55]

Answer:

The x represents the reference point on a motion map

Explanation:

-Motion maps are another way to represent the motion of an object. (other representations are graphical and mathematical models)

6 0
3 years ago
Read 2 more answers
Other questions:
  • Describe the structure of an atom.
    6·1 answer
  • In a series circuit with three bulbs,
    14·1 answer
  • If you were an Astronaut in the middle of the near side of the moon during a full moon, how would the ground around you look? Ho
    8·1 answer
  • What is charging by conduction. <br> Can you also give an real life example of it.
    8·2 answers
  • Two long, straight parallel wires are placed 38 cm apart, one above the other. The top and bottom wires are carrying currents 4.
    6·1 answer
  • Professor Whitney has a sample of lead and a sample of iron. The samples have equal mass. When Whitney heats the samples, the le
    6·1 answer
  • A good way to demagnitize something
    12·1 answer
  • The diagram below shows a golf ball being struck by a club. The ball leaves the club with a speed of 40 meters per second at an
    7·1 answer
  • Kinetic energy is the energy of an object in motion. Potential energy is the energy associated with an object
    11·1 answer
  • In a particular chemical reaction, the energy of the reactants is 30 kJ and the energy of the products is 5 kJ. The maximum ener
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!