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
Sholpan [36]
2 years ago
11

Can y'all help me please?

Physics
2 answers:
topjm [15]2 years ago
5 0
North!!

hope this helps you!
fenix001 [56]2 years ago
3 0

Answer:

North

Explanation:

You might be interested in
A robot that can move a hand left and right and rotate the hand 360º is said to have
Luda [366]

You've described two (2) axes of motion.
The third one would have been up-and-down.
 
3 0
3 years ago
You are asked to determine the density of a liquid. What lab equipment is most helpful to find density of the liquid?
AnnyKZ [126]
D. The graduated cylinder is used to find the volume, and triple beam balance is used to find the mass.
6 0
3 years ago
Read 2 more answers
(a) A long, straight solenoid has N turns, uniform cross-sectional area A, and length l. Show that the inductance of this soleno
Paul [167]

Answer:

a. L = μ₀AN²/l b. 1.11 × 10⁻⁷ H

Explanation:

a. The magnetic flux through the solenoid, Ф = NAB where N = number of turns of solenoid, A = cross-sectional area of solenoid and B = magnetic field at center of solenoid = μ₀ni where μ₀ = permeability of free space, n = number of turns per unit length = N/l where l = length of solenoid and i = current in solenoid.

Also, Li = Ф where L = inductance of solenoid.

So, Li = NAB

= NA(μ₀ni)

= NA(μ₀Ni/l)

Li = μ₀AN²i/l

dividing both sides by i, we have

So, L = μ₀AN²/l

b. The self- inductance, L = μ₀AN²/l where

A = πd²/4 where d = diameter of solenoid = 0.150 cm = 1.5 × 10⁻³ m, N = 50 turns, μ₀ = 4π × 10⁻⁷ H/m and l = 5.00 cm = 5 × 10⁻² m

So, L = μ₀AN²/l

L = μ₀πd²N²/4l

L = 4π × 10⁻⁷ H/m × π(1.5 × 10⁻³ m)²(50)²/(4 × 5 × 10⁻² m)

L = 11,103.3 × 10⁻¹¹ H

L = 1.11033 × 10⁻⁷ H

L ≅ 1.11 × 10⁻⁷ H

6 0
3 years ago
A heat engine running backward is called a refrigerator if its purpose is to extract heat from a cold reservoir. The same engine
Goryan [66]

Answer:

a) 2.85 kW

b) $ 432

c) $ 76.95

Explanation:

Average price of electricity = 1 $/40 MJ

Q = 20 kW

Heat energy production = 20.0 KJ/s

Coefficient of performance,  K = 7

also

K=(QH)/Win

Now,

Coefficient of Performance, K = (QH)/Win = (QH)/P(in) = 20/P(in) = 7

where

P(in) is the input power

Thus,

P(in) = 20/7 = 2.85 kW

b) Cost = Energy consumed × charges

Cost = ($1/40000kWh) × (16kW × 300 × 3600s)

cost = $ 432

c) cost = (1$/40000kWh) × (2.85 kW × 200 × 3600s) = $76.95

4 0
3 years ago
Analyse the impact that the inreasing number of social grants may have on the unemployment rate​
sashaice [31]

Answer:

Hehe

Explanation:

Head

4 0
3 years ago
Other questions:
  • ametal of mass 0.6kg is heated by an electric heater connected to 15v batter when the ammeter reading is 3A its tempeeature rise
    7·1 answer
  • Tracking scores from past assignments
    6·2 answers
  • A box with an open top has vertical sides, a square bottom, and a volume of 32 cubic meters. if the box has the least possible s
    6·1 answer
  • The number of tornado deaths in the United States in the 2000s was less than 40 percent the number that occurred in the 1950s, e
    9·1 answer
  • When cleaning up a local beach, students found many different particles that were in the water that affected the shoreline, like
    15·2 answers
  • A projectile is shot horizontally at 23.4 m/s from the roof of a building 55.0 m tall. (a) Determine the time necessary for the
    6·1 answer
  • How does the electric field intensity vary with the increase of distance of the point from the centre of a charged conducting sp
    8·1 answer
  • Omar rubs a balloon with wool, giving the balloon a
    7·1 answer
  • 17
    11·1 answer
  • Olivia is on a swing at the playground.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!