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
natulia [17]
3 years ago
5

A child walks due east on the deck of a ship at 2 miles per hour. the ship is moving north at a speed of 18 miles per hour. find

the speed and direction of the child relative to the surface of the water.

Physics
1 answer:
garik1379 [7]3 years ago
8 0
Refer to the figure shown below.

The velocity of the child and the velocity of the ship should be added vectorially to find the speed and direction of the child relative to the water surface.

The magnitude of the child's velocity is
v = √(2² + 18²) = 18.11 mph

The direction of the child's speed is
θ = tan⁻¹ (18/2) = tan⁻¹ 9 = 83.7° north of east or counterclockwise from the eastern direction.

Answer:
The magnitude is 18.1 mph.
The direction is 84° north of east.

You might be interested in
What happens to the force between two charges if the magnitude of both charges is doubled and the distance between them is doubl
vlabodo [156]

Answer:the force will remain same

Explanation:

because force is equal to the ratio of magnitude and distance

4 0
2 years ago
Select the properties that apply to superconductors.
makkiz [27]
made from pure metals . . . no;
they've been made from all kinds of weird compounds and alloys.
 
conduct electricity with zero resistance . . . yes;
that's why they're called "superconductors".

produce a strong magnetic field . . . possible, but not because it's a superconductor;
just like any other conductor, the magnetic field depends on the current that's flowing in the conductor.

no loss of energy in the transfer of electricity . . .
there's no loss of energy in the current flowing in the superconductor;
but if you tried to transfer the current out of the superconductor into
something else, then there would be some loss.
7 0
3 years ago
Read 2 more answers
What is diffraction?
WITCHER [35]

Answer:

D) the bending of a wave as it moves around an obstacle or passes through a narrow opening

Explanation:

Even though light travels in straight line, it will bend around objects if their size is comparative to its wavelength. This phenomenon is called diffraction.

Light will also bend if the light travels from one medium to another medium at an angle, but that is called refraction.

Diffraction occurs in one medium. Refraction occurs when light travels from one medium to another.

5 0
3 years ago
Is altitude abiotic or biotic or neither SCIENCE WORK NEEDED BY 11:59 HELP HELP HLEP
trapecia [35]

Answer:

abiotic

Explanation:

goggle:)))))))

6 0
2 years ago
A straight line means the object travels at ........... speed
Georgia [21]
If it's a distance graph, then it's a constant speed.
5 0
3 years ago
Read 2 more answers
Other questions:
  • A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how h
    8·1 answer
  • 8. A car moving at 35 m/s has 675 joules of KE. What is the mass of the car?
    10·1 answer
  • What are the effect of sound energy in air
    5·1 answer
  • A) How much does an 85g apple weight on the surface of the Earth? (gEarth = 9.8 m/s2)
    12·1 answer
  • Two long wires hang vertically. Wire 1 carries an upward current of 1.20 A. Wire 2, 20.0 cm to the right of wire 1, carries a do
    9·1 answer
  • The moon’s relative motion causes
    9·1 answer
  • Elements in the same periodic table group have the same___
    13·1 answer
  • How fast can a human go before they reach terminal velocity?​
    13·1 answer
  • . Determinar la magnitud de la fuerza que recibe un cuerpo de 45 kg, la cual le produce una aceleración cuya magnitud es de 5 m/
    11·1 answer
  • Does the apple scatter red light​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!