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
svetoff [14.1K]
3 years ago
6

5 points

Physics
1 answer:
Tresset [83]3 years ago
8 0

Answer:

\frac{{v}^{2} g}{2 }

You might be interested in
Match each scientist with the contribution he made to the arrangement of elements in the periodic table
Sergeeva-Olga [200]
  • Dmitri Mendeleev- arranged elements according to their

atomic mass

  • Johann Wolfgang Dobereiner-created groups of three elements,

each based on similar properties

  • John Newlands-used patterns to predict undiscovered

elements

  • Antoine Lavoisier-divided elements into four categories

Explanation:

The periodic table or the table depicting the arrangement of various elements has a long history. Several of the scientist starting from Lavoisier to Mendeleev contributed to the table in their might. The present table has been an evolution of the previous tables over their shortcomings.

Some of the notable contributions include-

  • Mendeleev- Mendeleev arranged the elements in order of atomic mass rather than atomic mass. Through this, he also discovered new elements.
  • Newlands- He formulated the Newland law of octaves similar to musical notation.
  • Lavoisier- Lavoisier divided the elements into various categories and also defined elements.
  • Dobereiner- He formulated the triad law which encapsulated that certain group of elements showed similar properties, hence can be grouped together.

6 0
3 years ago
Read 2 more answers
A body with an initial velocity of 10m/s has an acceleration of 8m/s^2. Determine graphically the velocity after 5 seconds, &amp
Pie

Answer:

From the graph, at t = 5 seconds, the velocity = 50 m/s as shown also in the above table

Please find attached the graph

Explanation:

The initial velocity of the body =  m/s

The acceleration of the body = 8 m/s²

The velocity after 5 seconds can be determined graphically and by calculation as follows;

Graphically, we have the data points which can be found by the straight line relation  v = u + a×t,

Where ,

a = The slope = 8 m/s²

u = 10 m/s = The y-intercept

Which gives;

v = 10 + 8 × t

The following data can be calculated for various time t;

Time, t     Velocity , v

0,             10

1,              18

2,             26

3,             34

4,             42

5,             50

6,             58

From the graph, at t = 5 seconds, the velocity = 50 m/s as shown also in the above table

Please find attached the graph

By calculation, we have;

v = u + a×t

Where;

v = The final velocity

u = The initial velocity = 10 m/s

a = The acceleration = 8 m/s²

t = The time = 5 seconds

v = 10 + 5× 8 = 50 m/s.

6 0
3 years ago
When a wire is made thicker its resistance what?
NeTakaya
Making a wire thicker has the same effect as making a road wider. It makes it easier for the electron traffic to flow. The resistance decreases, and the current (traffic) increases.
7 0
3 years ago
A horse pulls forward on a carriage with a given force. By Newton's Third Law, the carriage must be pulling on the horse backwar
WITCHER [35]
The horse is rolling on wheels while the horse's hooves have traction to the ground.
5 0
3 years ago
Read 2 more answers
A woman in la fitness is holding an 8.0-kg weight at arm's length, a distance of 0.55 m from her shoulder joint. what is the tor
TEA [102]
Torque is equal to force times distance. first calculate the weight of the 8-0 kg weight, using the formula:
F = mg
where g is the accelration due to gravity ( 9.81 m/s^2)
F = 8 kg ( 9.81 m / s^2 )
F = 78.48 N

and torque =  Fl
where l is the distance
t = (78.48 N ) ( 0.55 m )
t = 43.16 Nm is the torque
6 0
3 years ago
Other questions:
  • The definition of an electric field is based upon what law?
    12·2 answers
  • HELP PLZZ BEST ANSWER WILL GET MARKED BRANILYEST!! (sorry cant spell)
    9·2 answers
  • Transform active margins are associated with which type of boundary? Convergent Transform Divergent
    14·1 answer
  • Study the scenario.
    14·1 answer
  • The motors that drive airplane propellers are, in some cases, tuned by using sound beats. The whirring motor produces a sound wa
    5·1 answer
  • A car is moving at 25.5 m/s when it accelerates at 1.94 m/s^2 for 2.3 s. What is the car's final speed? (Keep in mind direction
    5·1 answer
  • Which two characteristics make electromagnetic waves effective in communication?
    10·1 answer
  • Through which of these media do sound waves travel the fastest?
    6·1 answer
  • Find the average net force.
    7·1 answer
  • A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from t
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!