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
NeTakaya
2 years ago
14

What is the displacement if Ray runs 30ft north, 30ft west, and then 30ft south.

Physics
1 answer:
EastWind [94]2 years ago
6 0

His displacement is 30ft west.

Unless he started on the south pole, then his displacement is 0 - he ends up where he  started, on the south pole.

You might be interested in
If you are using a wrench to loosen a very stubborn nut, you can make the job easier by using a "cheater pipe." This is a piece
pentagon [3]

Answer:

Explained

Explanation:

The cheater pipe extends the wrench in  radial direction, providing a larger momentum for the force you exert.

For a given force the torque exerted with the cheater pipe is larger.

Mathematically we can write that

τ = r×F and τ'= r'×F

now since r'> r

⇒ F'>F

5 0
3 years ago
Read 2 more answers
calcula la potencia por hora de un radiador, sabiendo que esta conectado a un contacto común 110 v. y requiere 20 Amp.
Ira Lisetskai [31]

calculate the power per hour of a radiator, knowing that it is connected to a common 110 v contact. and requires 20 Amp.

Answer:

2.2kWh

Explanation:

Given parameters:

Potential difference  = 110v

Current  = 20A

Unknown:

Power  = ?

Solution:

To solve this problem, we use the expression below:

        Power  = IV

 Power  = 110 x 20  = 2200W

  This is therefore 2.2kW

 Power per hour  = 2.2kWh

8 0
2 years ago
Jimmy held the end of a metal bar over a fire while holding on to the opposite end. After a few minutes, the end he was holding
Pavel [41]

Answer:

A. Conduction

Explanation:

Conduction is the transfer of heat within the material itself, and he's holding the metal bar over the fire.

6 0
3 years ago
un motor electric efectueaza un lucru mecanic de 864 j in 0.5 min.tensiunea la bornele sale este de 12v si este parcurs de un cu
GrogVix [38]

Answer:

96%

Explanation:

To find the values of the motor efficiency you use the following formula:

E=\frac{P_o}{P_i}100

P_o: output power = 864J/0.5min=864J/30s=28.8W

P_i: input power = I*V = (3A)(12V) = 36W

By replacing this values you obtain:

E=\frac{28.8W}{30W}*100=96\%

hence, the motor efficiency is about 96%

traslation:

Pentru a găsi valorile eficienței motorului, utilizați următoarea formulă:

P_o: putere de ieșire = 864J / 0.5min = 864J / 30s = 28.8W

P_i: putere de intrare = I * V = (3A) (12V) = 36W

Înlocuind aceste valori obțineți:

prin urmare, eficiența motorului este de aproximativ 96%

3 0
2 years ago
If the mass of the earth and all objects on it were suddenly doubled, but the size remained the same, the acceleration due to gr
Len [333]

its a i just have to type more but its a

5 0
3 years ago
Read 2 more answers
Other questions:
  • The intensity of a certain siren is 0.060 W/m^2 from a distance of 25 meters. What is the intensity of this siren at a distance
    15·1 answer
  • The tidal bulge on the side of the earth opposite the moon is due to _______ .
    13·2 answers
  • What type of particles flow between objects when they are charged by friction or conduction??
    13·1 answer
  • Which statement about tempture is correct
    15·1 answer
  • Why is the cathode ray oscilloscope evacuated?
    13·1 answer
  • A car of mass M traveling with velocity v strikes a car of mass M that is at rest. The two cars’ bodies mesh in the collision. T
    12·1 answer
  • Mercury is a metallic liquid element. It has a density of 11.3 g/cm3 . If you placed the metals listed above in mercury, which o
    5·1 answer
  • Methods to improve body composition by building muscle does not include which of the following behaviors? And why
    14·2 answers
  • A gyroscope is a wheel or disk that spins rapidly around two or more axes. Question options: True False
    8·2 answers
  • Drag each label to the correct location on the table. sort the processes based on the type of energy transfer they involve. cond
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!