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
Eddi Din [679]
4 years ago
5

NEED HELP!! ASAP JUST QUESTIONS 22, 23, 24, & 25

Physics
1 answer:
poizon [28]4 years ago
8 0
22. reduction
25. Le Chatelier's principle
You might be interested in
A charged particle is accelerated in a uniform electric field. When its velocity is 2 m/s, its electric potential energy is 100
zavuch27 [327]

Answer:

particle's potential energy = 70J

Explanation:

From conservation of energy; K1 + Ue1 = K2 + Ue2

where K1 and K2 are the kinetic energies at two positions and Ue1 and Uue2 are the electrical potential energies at two positions.

k1 = 10J, Ue1 = 100J

K2 = 40J

substitute into K1 + Ue1 = K2 + Ue2

Ue2 = K1 + Ue1 - K2

= 10 +100 - 40

Ue2 = 70J

7 0
3 years ago
What is the formula for calculating density?
Sophie [7]
<span>Density can be determined by the mass of an object and how much it takes up space (volume). It is represented by the formula D = M/V where D is the density in kg/m^3 or lb/ft^3, M is the mass in kg or lb and V is the volume in m^3 or ft^3. The answer would be A.  For example, you are given the mass of an object of 40.5kg and a volume of 15m^3. Find its density.</span>  

D = M/V
D = (40.5 kg) / (15 m^3)
<span>D = 27/10 or 2.7 kg/m^3 </span>
6 0
4 years ago
Read 2 more answers
a rugby player passes the ball 5.34 m across the field, where it is caught at the same height as it left his hand. at what angle
MakcuM [25]

Answer:

31.035^{\circ}

Explanation:

x = Displacement in x direction = 5.34 m

t = Time taken to travel the displacement

y = Displacement in y direction = 0

u = Initial velocity of ball = 7.7 m/s

g = Acceleration due to gravity = 9.81\ \text{m/s}^2

Displacement in x direction is given by

x=u\cos\theta t\\\Rightarrow t=\dfrac{5.34}{7.7 \cos\theta}

Displacement in y direction is given by

y=u\sin\theta t-\dfrac{1}{2}gt^2\\\Rightarrow 0=7.7\sin\theta \dfrac{5.34}{7.7\cos\theta}-\dfrac{1}{2}\times 9.81 (\dfrac{5.34}{7.7\cos\theta})^2\\\Rightarrow 0=7.7\sin\theta-4.905\times \dfrac{5.34}{7.7\cos\theta}\\\Rightarrow 0=7.7^2\sin\theta \cos\theta-4.905\times 5.34\\\Rightarrow 0=7.7^2\dfrac{\sin2\theta}{2}-4.905\times 5.34\\\Rightarrow 0=7.7^2\sin2\theta-4.905\times5.34\times 2\\\Rightarrow \sin2\theta=\dfrac{4.905\times 5.34\times 2}{7.7^2}\\\Rightarrow 2\theta=\sin^{-1}\dfrac{4.905\times 5.34\times 2}{7.7^2}

\Rightarrow \theta=\dfrac{62.07}{2}\\\Rightarrow \theta=31.035^{\circ}

The angle at which the ball was thrown is 31.035^{\circ}.

7 0
3 years ago
What is the minimum value of the friction coefficient between the boxes that will keep them from slipping when the 100 N force i
CaHeK987 [17]

Answer:

The friction coefficient's minimum value will be "0.173".

Explanation:

The given query seems to be incomplete. Below is the attached file of the complete question.

According to the question,

(a)

The net friction force's magnitude will be:

⇒ F_{net}=ma

           =5\times 1.7

           =8.5 \ N

(b)

For m₃,

⇒ ma=\mu m_3 g

Or,

⇒    \mu=\frac{a}{g}

          =\frac{1.7}{9.8}

          =0.173

5 0
3 years ago
What happens to the change in the value of the speed as you increased the amount of force applied on your
nataly862011 [7]
The change of speed is proportional to the Force. If you double the Force, you double the change of speed.
3 0
3 years ago
Other questions:
  • Which voice can produce a pitch that has a speed of 343 m/s and a wavelength of 0.68 m? Check all that apply.
    12·2 answers
  • Specific data such as age, income, family size, and occupation, used for marketing purposes, is called
    9·2 answers
  • Two beams of coherent light start out at the same point in phase and travel different paths to arrive at point P. If the maximum
    10·1 answer
  • A projectile is launched from the surface of a planet (mass = 15 x 1024 kg, radius = R = 9.6 x 106 m). What minimum launch speed
    8·2 answers
  • Help me please with this homework
    5·1 answer
  • Which of the following changes will increase the frequency of the lowest frequency standing sound wave on a stretching string?Ch
    12·1 answer
  • PLZZZZZ HELP!!!In operant conditioning, the consequence shapes the behavior. Please select the best answer from the choices prov
    9·2 answers
  • A client is receiving an IV solution of sodium chloride 0.9% (Normal Saline) 250 ml with amiodarone (Cordarone) 1 gram at 17 ml/
    15·1 answer
  • The men's world record (as of 2007) for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate, how many seconds
    11·1 answer
  • Suppose there is a bright fringe at P Would this bright fringe move closer to O, move further away, or be unchanged, t 1.5 marks
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!