Find the mechanical advantage of a ramp that is 6.0 m long and 1.5 m tall.

Answers

Answer 1
Answer:

The mechanical advantage of a ramp that is 6.0 m long and 1.5 m tall. we can easily take any object to height of 6 m.

What is gravitational Potential Energy ?

Gravitational potential energy is an energy acquired by an object due to a change in its height when it is present in a gravitationalfield. It is denoted by P or U. and it its expressed in joule.  Gravitational potential energy is given by U = mgh where m is the mass of the object, g is acceleration due to gravity and h is the height.

when we take an object of mass m to a certain height in the field of gravitation, we can say that body has potential energy and we release that body from that height, it falls.

Ramp of 6.0 m long and 1.5 m tall is that there will be angle made by the inclination is 14.4°. Mechanical advantage of a ramp is, it is used for  transportation of heavy objects to a certain height at certain distance. It reduces physical efforts and make our task faster. when we have to transport lots of object to a certain height, when we put objects on the ramp which has motor and upper part of the belt rotates, it will easily get transported to that height without physical efforts. Escalator is also a type  ramp. Ramp which has no rotator, we have to push objects on the ramp to that height.

Hence these are advantages of a ramp.

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Answer 2
Answer:

Answer: 4.0

Explanation:


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PLZ HURRY!!WILL BE FRIEND FOREVER!!1. When an object is burning, two atoms of oxygen (in the air) combine with one atom of carbon (from the substance burning). This forms carbon dioxide gas. Explain how the law of conservation of matter applies to this reaction.

Recall Elmer Trett, who in 1994 reached a speed of 103m/s on his motorcycle. Suppose trett drives off a horizontal ramp at this velocity and lands a horizontal distance of 40.0m away from the edge of the ramp. What is the height of ramp?

Answers

Speed of the motor cycle is given as

v_x = 103 m/s

distance that he moved off from the ramp is given as

x = 40 m

now we know that

x = v_x * t

40 = 103* t

t = 0.39 s

now we can use this to find the height

h = v_i*t + (1)/(2)gt^2

h = 0 + (1)/(2)*9.8*0.39^2

h = 0.74 m

so its height will be 75 cm from ground

Final answer:

The height of the ramp is approximately 0.748m.

Explanation:

To find the height of the ramp, we can use the equations of motion. Since the motorcycle leaves the ramp horizontally, the horizontal distance traveled is equal to the initial horizontal velocity multiplied by the time of flight.

Using the equation x = vt, where x is the horizontal distance traveled, v is the initial horizontal velocity, and t is the time of flight, we can solve for t.

For this problem, the horizontal distance is 40.0m and the initial horizontal velocity is 103m/s. Substituting these values into the equation, we get t = x/v = 40.0m / 103m/s = 0.388s.

Next, to find the height of the ramp, we can use the equation h = (1/2)gt^2, where h is the height of the ramp and g is the acceleration due to gravity (approximately 9.8m/s^2). Substituting the value of t we found into the equation, we get h = (1/2)(9.8m/s^2)(0.388s)^2 = 0.748m.

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how would your weight change with time if you were on s space ship traveling away from Earth toward the moon

Answers


Well, before we discuss that, I think we have to carefully understand
and agree on something.  We have to be very clear about what we
mean by 'weight' ...  is it what you feel, or is it the product of

           (your mass) x (the acceleration of gravity where you are).

If you're on a space ship, then any time your engine is not burning,
you feel weightless.  It doesn't matter where you are, or what body
you may be near.  If you're not doing a burn, and the only force on
you is the force of gravity, then you don't feel any weight at all.

But of we say that your 'weight' is the product of

           (your mass) times (the acceleration of gravity where you are),

then it depends on where you are, and whether you're close to
the Earth or closer to the moon.  You may not feel it, but you're
going to have weight, and it's going to change during your trip
in space.

You know that the force of gravity depends on how far you are
from the body that's attracting you.

-- As you travel from the Earth to the moon, gravity will pull you
less and less toward Earth, and more and more toward the moon. 

-- Your weight will get less and less, until you reach the point
in space where the gravitational attractions are equal in both
directions.  That's about 24,000 miles before you reach the
moon ... about 90% of the way there.  At that point, your weight
is really zero, because the pull toward the Earth and the pull toward
the moon are equal.

-- From there, the rest of the way to the moon, your weight will
start to grow again.  It begins at zero at the 'magic point', and it
grows and grows until you reach the moon's surface.  When
you're there, your weight has grown to about 1/6 of what you
weigh on Earth, and it won't get any bigger.  If you weigh
120 pounds on Earth, then you weigh about 19.86 pounds on
the moon ... PLUS your space suit, boots, heater/air conditioner,
oxygen tank, radiation shielding, radio, and all the other stuff that
you need to survive on the moon for a few hours.

All of the following are true about hypotheses, except: A hypothesis is a question a scientist wants to research. A hypothesis is a statement that predicts what will be observed in an investigation. A hypothesis is based on background research performed by the scientist. A hypothesis is usually written in an if-then format that describes the proposed relationship between variables.

Answers

A - a hypothesis is a question a scientist wants to research

Explanation:

i think so anyway.

Answer:

Explanation:

AI-generated answer

A hypothesis is a statement that predicts what will be observed in an investigation. It is based on background research performed by the scientist and is usually written in an if-then format that describes the proposed relationship between variables. Therefore, all of the statements listed are true about hypotheses.

1. A hypothesis is a question a scientist wants to research.

2. A hypothesis is a statement that predicts what will be observed in an investigation.

3. A hypothesis is based on background research performed by the scientist.

4. A hypothesis is usually written in an if-then format that describes the proposed relationship between variables.

Since the question asks for an exception, it means that all of the statements are true.

Balance P4O10+3H2O to 2H3PO4

Answers

the result you got it suppose to be 4H3PO4 therefore you balance it like this :
P4O10 + 6H2p ----> 4H3PO4

Why is the law of gravity an example of a universal law? a Gravity is the attraction of any mass to any other mass. b Gravity is a force that affects everyone on Earth. c Gravity is the reason the Earth revolves around the sun. d Gravity is a force that exists between any two masses in the universe

Answers

The law of gravity is an example of a universal law because Gravity is a force that exists between any to masses in the universe.

What is Newton's law of gravitation?

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Formula of Newton's law of gravitation,\nF=G{(m_1m_2)/(r^2)}

where, F - Force,

g - gravitational constant,

m₁ - mass of the object 1

m₂ - mass of the object 2

r² - distance between the two masses.

Gravitational attraction is along a line joining the centers of mass of these two bodies. The magnitude of the force is the same on each, consistent with Newton’s third law.

So, The law of gravity is an example of a universal law because Gravity is a force that exists between any to masses in the universe.

Hence, Option D is the correct answer.

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Answer:

Yeah like the other answer D and A are kinda the same but i would pick D :p

Explanation:

One Newton is expressed in ?

Answers

Answer:

It is the SI unit of force.

Explanation:

The rate of change of momentum in the body is directly proportional to the force applied on the body. It is the second law of motion.

The mathematical form of Newton's second law is

F = m x a

where, m is the mass and a be the acceleration.

If a body of mass 1 kilogram having an acceleration of 1 m/s^2, it means the force applied on the body is 1 newton.

The newton is the SI unit for force; it is equal to the amount of net force required to accelerate a mass of one kilogram at a rate of one meter per second squared.