you are 12 miles north of your base camp when you begin walking North at a speed of 2 miles per hour. What is your location relative to your base camp after walking for 5 hours? ​

Answers

Answer 1
Answer:

Answer:

can you explain more i dont understand

Explanation:


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Joan makes the device shown in her science class.An illustration with a battery and ends labeled positive and negative. A wire is connected to the positive end of the battery and curls around an iron nail and connects back with the negative side of the battery.

What would happen to the magnetic field if she connects the battery in the opposite direction?

The field would stop.
The field would get stronger.
The field would reverse its poles.
The field would get weaker.

Answers

If she connects the battery in the opposite direction, the magnetic field would reverse its poles.

What is magnetic field?

The magnetic field is the region of space where an object experiences the magnetic force and obtain magnetic properties.

A wire is connected to the positive end of the battery and curls around an iron nail and connects back with the negative side of the battery. This arrangement will let the current flow from the positive end of the battery towards the negative terminal of the battery.

If the battery is connected in the opposite direction, the current will flow from negative to positive terminal.

Therefore, If she connects the battery in the opposite direction, the magnetic field would reverse its poles.

Learn more about magnetic field.

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Answer:

The field would reverse its poles.

Explanation:

The current flow will reverse directions which will reverse the poles in the magnetic field created around the iron nail.

If acceleration due to gravity is 9.8 m/s on earth and you have a mass of 75kg what is your weight force

Answers

Answer:

w=mg

w=[75][9.8]

w=735

Explanation:

according to newton's second law of motion of the net force acting on the object increases while the mass of the object remains constant, what happens to the acceleration?

Answers

Answer:

The Acceleration will increase

Explanation:

Newton's Second Law of motion: It states that the rate of change of momentum is directly proportional to the applied force and takes places along the direction of the force.

It can be expressed mathematically as,

F ∝ m(v-u)/t

Where (v-u)/t = a

F  = kma.

F = force, m = mass of the body, a = acceleration, k = constant of proportionality which tend to unity for a unit force, a unit mass, and a unit acceleration.

Therefore,

F = ma.

From the equation above,

If the net force acting on a body increase, while the mass of the body remains constant, the acceleration will also increase.

A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.13 s. What are the (a) period and (b) frequency? (c) The wavelength is 1.9 m; what is the wave speed?

Answers

Answer:

Part a)

T = 0.52 s

Part b)

f = 1.92 Hz

Part c)

speed = 3.65 m/s

Explanation:

As we know that the particle move from its maximum displacement to its mean position in t = 0.13 s

so total time period of the particle is given as

T = 4* 0.13 = 0.52 s

now we have

Part a)

T = time to complete one oscillation

so here it will move to and fro for one complete oscillation

so T = 0.52 s

Part b)

As we know that frequency and time period related to each other as

f = (1)/(T)

f = (1)/(0.52)

f = 1.92 Hz

Part c)

As we know that

wavelength = 1.9 m

frequency = 1.92 Hz

so wave speed is given as

speed = wavelength * frequency

speed = 1.92 * 1.9

speed = 3.65 m/s

A crane lifts 400 N crate full of baked beans 15m how much work is done by the crane ?

Answers

Lookattheattachedpicture

Hope itwillbehelpfultoyou..

Five different forces act on an object. Is it possible for the net force on the object to be zero? Explain

Answers

No. If there are forces on an object, they need to have a counterforce, otherwise the object won't be zero. Since there are only 5 forces, the 5th force has no counterforce, resulting in movement or reforming the object.
Of course it is !

-- Whatever the resultant of four of the forces is, one more force
with the same magnitude in exactly the opposite direction makes
the overall net force zero.

-- Example: 
4 cheerleaders are in a tug-of-war against the captain of the football team.
The flag in the middle of the rope is stationary.
He's holding off all 4 of the skinny girls.
The net force on the flag is zero.