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
Alex787 [66]
3 years ago
14

On his fishing trip Justin takes the boat 25 km south. The fish aren’t biting so he goes 10 km west. He follows a school of fish

15 km north. What distance did he cover? What was his displacement?
Physics
1 answer:
vodomira [7]3 years ago
3 0

Distance is 50 km

Displacement is 10 km

<u>Explanation:</u>

Given:

Distance toward south, x = 25 km

Distance towards west, y = 10 km

Distance towards north, z = 15 km

(a) Total distance, D = ?

Total distance, D = x + y + z

                       D = 25 + 10 + 15

                       D = 50km

(b) Displacement, d = ?

Displacement = final position - initial position

                      = 10 - 0 km

                      = 10km

You might be interested in
Mountain ranges that form close to a subduction zone are likely to experience 
KIM [24]

Answer:

the correct answer choice woud be C.  hope this helps :)

Explanation:  Mountain ranges that form close to a subduction zone are likely to experience volcanic activity.

4 0
2 years ago
Read 2 more answers
When a bicycle coasts uphill, it moves slower and slower as it climbs. Why?
astra-53 [7]

Letter B because it is gaining more potential energy as it SLOWLY climbs up the hill.

the less motion the more potential energy there is

6 0
2 years ago
Read 2 more answers
What is the velocity of an object that has a momentum of 4,000 kg-m/s and a mass of 115 kg? Round to the nearest hundredth.
julia-pushkina [17]
<h2>Answer: 34.78 m/s</h2>

Explanation:

The momentum p is given by the following equation:

p=m.V   (1)

Where:

m is the mass of the object

V is the velocity of the object

Finding the velocity from (1):

V=\frac{p}{m}   (2)

V=\frac{4000kg.m/s}{115kg}  

<u>Finally:</u>

V=34.78m/s >>>This is the velocity of the object

4 0
3 years ago
Read 2 more answers
Medical cyclotrons need efficient sources of protons to inject into their center. In one kind of ion source, hydrogen atoms (i.e
antoniya [11.8K]

Answer:

r=5.278\times 10^{-4}\ m

Explanation:

Given that:

  • magnetic field intensity, B=0.07\ T
  • kinetic energy of electron, KE=1.2\ eV= 1.2\times 1.6\times 10^{-19}\ J= 1.92\times 10^{-19}\ J
  • we have mass of electron, m=9.1\times 10^{-31}\ kg

<em>Now, form the mathematical expression of Kinetic Energy:</em>

KE= \frac{1}{2} m.v^2

1.92\times 10^{-19}=0.5\times 9.1\times 10^{-31}\times v^2

v^2=4.2198\times 10^{11}

v=6.496\times 10^6\ m.s^{-1}

<u>from the relation of magnetic and centripetal forces we have the radius as:</u>

r=\frac{m.v}{q.B}

r=\frac{9.1\times 10^{-31}\times 6.496\times 10^6 }{1.6\times 10^{-19}\times 0.07}

r=5.278\times 10^{-4}\ m

6 0
3 years ago
You notice that the price of Blu-ray players falls and the quantity of Blu-ray players sold increases. This set of observations
satela [25.4K]

Answer:

Option C

Explanation:

When this type of situation occurs where the price falls and the sale of a product increases then a shift is observed in the supply curve towards right as a result of this shift there is a need to shift down the demand curve

Thus When supply curve is shifted to the right the demand curve is moved down accordingly.

6 0
3 years ago
Other questions:
  • PLZ HELP ME ASAP 30 POINTS
    6·1 answer
  • Humans start from a single cell. Eventually, as cells divide, they start to differentiate, or specialize. Some cells are special
    8·1 answer
  • Assume that a magnetic field exists and its direction is known. Then assume that a charged particle moves in a specific directio
    10·1 answer
  • An athlete is working out in the weight room.he steadily holds 50 kilograms above his head for 10 seconds which statement is tru
    5·1 answer
  • A resistor is made out of a long wire having a length L. Each end of the wire is attached to a termina of a battery providing a
    14·1 answer
  • A point charge q = -0.45 nC is fixed at the origin. Where must an electron be placed in order for the electric force acting on i
    9·1 answer
  • A 12 V battery is connected to a 1200 Ω resistor. How much current is flowing through the resistor?
    7·1 answer
  • ___________is the rate at which electric charges move through a conductor. *
    10·1 answer
  • Two coins lie 1.5 meters apart on a table. They carry identical electric charges. Approximately how
    5·1 answer
  • A mason stretches a string between two points 70 ft apart on the same level with a tension of 20 lb at each end. If the string w
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!