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
Anna [14]
3 years ago
10

Power input formulae

Physics
2 answers:
Darina [25.2K]3 years ago
4 0
Power = work / time

this means power = force * displacement / time

in electricity this equates to P = IV

When in doubt with this sort of stuff type "power equation" into google images it usually throws out a few gems :)

djyliett [7]3 years ago
3 0

Power  =  (work done) / (time to do the work)

Power  =  (energy moved) / (time to move the energy)

Power  =  (voltage) x (current)

Power  =  (voltage)² / (resistance)

Power  =  (current)² x (resistance)  
You might be interested in
When you hit a .27 kg volleyball the contact time is 50 ms and the average force is 125 N. If you serve the volleyball (from res
yulyashka [42]

(A) P(v) = 0.135v

(B) P(h) = 0.234v

<u>Explanation:</u>

Given-

Mass of the ball, m = 0.27kg

Force, F = 125N

angle of projection, θ = 30°

Let v be the velocity of the ball.

A) vertical component of the momentum of the volleyball

We know,

P(vertical) = mvsinθ

P(V) = 0.27 X v X sin 30°

P(V) = 0.27 X v X 0.5

P(V) = 0.135v

B) horizontal component of the momentum of the volleyball

We know,

P(Horizontal) = mvcosθ

P(h) = 0.27 X v X cos 30°

P(h) = 0.27 X v X 0.866

P(h) = 0.234v

8 0
3 years ago
If we have less power, we most likely have
katrin [286]
<span>the same amount of work being done over a longer period of time.</span>
3 0
3 years ago
Read 2 more answers
A car turns a certain curve of radius 24.98 m with constant linear speed of
Anastaziya [24]

Answer:

3525.19 kg

Explanation:

The computation of the mass of the car is shown below:

As we know that

Fc = m × V^2 ÷ R

m = Fc × R ÷ V^2

Provided that:

Fc = 34.652 kN = 34652 N

R = Radius = 24.98 m

V = speed = 15.67 m/s

So,

m = 34652 × 24.98 ÷ 15.67^2

 = 3525.19 kg

7 0
3 years ago
What is the force of a object that has a mass of 7 kg and an acceleration of 6 m/s/s
UkoKoshka [18]

Answer:

<h2>42 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question

mass = 7 kg

acceleration = 6 m/s²

We have

force = 7 × 6 = 42

We have the final answer as

<h3>42 N</h3>

Hope this helps you

7 0
3 years ago
an airplane is traveling at an altitude of 31,360. a box of supplies is driped from the cargo hold how long will it take to reac
VMariaS [17]

Answer: 1,600 seconds

Explanation:

31,360/9.8 = 3,200.

Then divide 3,200/2 = 1,600

7 0
3 years ago
Other questions:
  • B. A guitar string has a length of 0.90 m. When you pluck it, it plays a “C” that has a frequency of 256 Hz. How fast is the wav
    12·1 answer
  • A women who normally weighs 400 N stands on top of a ladder so high she is one full additional earth radius above the surface of
    7·1 answer
  • How many significant figures is in 15,600
    14·1 answer
  • Compared to its mass on Earth, the mass of a 60-kg object on the moon is
    14·1 answer
  • Ben wants to model how the motion of particles changes with temperature. He considers water in an iron pot. Ben draws a model to
    6·1 answer
  • The potential difference between two parallel conducting plates in vacuum is 165 V. An alpha particle with mass of 6.50×10-27 kg
    7·1 answer
  • An ant travels 2.78 cm [W] and then turns and travels 6.25 cm [S 40 degrees E]. What is the ant's total displacement?
    14·1 answer
  • You have two beakers of different types of oil, which have different specific heat capacities. You put each beaker in a water ba
    11·1 answer
  • A mercury thermometer reads 10oC when dipped into melting ice and 90oC
    5·1 answer
  • How do you find the missing terms in a number sentence?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!