What exists in all moving objects ?

What exists in all moving objects ?
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1 Answer

Answer :

kinetic energy exists in all moving objects.
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In order to keep a body moving in a circle, there exists a force on it that is directed toward the center of the circle. This force is known aA. Centrifugal force B. Centripetal force C. Gravitational Force D. magnetic forces

Description :  In order to keep a body moving in a circle, there exists a force on it that is directed toward the center of the circle. This force is known asA. Centrifugal force B. Centripetal force C. Gravitational Force D. magnetic force

Last Answer : Centripetal force

Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Description : Two objects A and B are moving with same momentum. Mass of object 'B' is greater then mass of object 'A'. Which of the two object will have higher kinetic energy? -Physics

Last Answer : Let m1​ and m2​ be the masses of the body Let m1​>m2​Given that m1​v1​=m2​v2​v2​v1​​=m1​m2​​∴ Ratio between their kinetic energies , =K2​K1​​=21​m2​v22​21​m1​v12​​⟹K2​K1​​=m2​m1​​×m12​

What is in all moving objects ?

Description : What is in all moving objects ?

Last Answer : All moving objects have kinetic energy.

Momentum of two objects moving with same speed but in opposite direction upon collision is A. increased B. decreased C. is zero D. is infinite

Description : Momentum of two objects moving with same speed but in opposite direction upon collision is A. increased B. decreased C. is zero D. is infinite

Last Answer : is zero

A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. What is the velocity of the combined system just after the collision?

Description : A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. What is the velocity of the combined system just after the collision?

Last Answer : ANSWER: 4 METERS PER SECOND 

A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to Z- axis along which field B exists. Ca

Description : A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to Z- axis along which field B exists. Ca

Last Answer : A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to Z- ... 2)a` C. `a^(2) eB` D. `aeB`

A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic field B, perpendicular to the plane mot

Description : A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic field B, perpendicular to the plane mot

Last Answer : A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic ... Em))/(2qB)` D. `(sqrt(2Eq))/(qB)`

A magnetic field exists around (a) iron (b) copper (c) aluminium (d) moving charges

Description : A magnetic field exists around (a) iron (b) copper (c) aluminium (d) moving charges

Last Answer : (d) moving charges

What digital camera do you recommend for taking pictures of fast moving objects?

Description : What digital camera do you recommend for taking pictures of fast moving objects?

Last Answer : You might benefit from a camera that has a Continuous Frame Shooting mode, where the camera takes 3 pictures per second. So, as your husbands car comes around the track you can start shooting ... sure about other brands, but I know this function comes pretty much standard on Nikon SLR cameras.

Who viewed moving objects from pond water his microscope and named them animalcules?

Description : Who viewed moving objects from pond water his microscope and named them animalcules?

Last Answer : robert hooke

Force occurs when two objects are moving relative to each other or rub together is?

Description : Force occurs when two objects are moving relative to each other or rub together is?

Last Answer : Kinetic friction

The study of moving objects is called?

Description : The study of moving objects is called?

Last Answer : Dynamics

A form of telecommunication for the transmission of transient images of fixed or moving objects. A. E-mail B. Television C. Radio D. Internet

Description : A form of telecommunication for the transmission of transient images of fixed or moving objects. A. E-mail B. Television C. Radio D. Internet

Last Answer : B. Television

Which of the following terms refers to injuries that occur when a person is caught between objects, run over by a moving vehicle, or compressed by machinery? a) Crush injuries Crush injuries are those that occur when a person is caught between objects, run over by a moving vehicle, or compressed by machinery.

Description : Which of the following terms refers to injuries that occur when a person is caught between objects, run over by a moving vehicle, or compressed by machinery? a) Crush injuries Crush ... wounds. d) Intra-abdominal injuries Intra-abdominal injuries are categorized as penetrating and blunt trauma.

Last Answer : a) Crush injuries Crush injuries are those that occur when a person is caught between objects, run over by a moving vehicle, or compressed by machinery.

Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Description : Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Last Answer : electric field

When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: w) discontinuous x) abrupt y) quantized z) noncontinuous

Description : When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: w) discontinuous x) abrupt y) quantized z) noncontinuous

Last Answer : ANSWER: Y -- QUANTIZED

If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Description : If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Last Answer : Strictly speaking, yes, that’s true. Light is a physical stuff that takes time to travel. Of course, the delay is so small it’s only worth taking into account with things as insanely far away as stars, and maybe the other planets.

Is there a formula to find the center (center of mass/centroid) of 3 dimensional objects?

Description : Is there a formula to find the center (center of mass/centroid) of 3 dimensional objects?

Last Answer : Yes

What is the force of attraction between any two objects ?

Description : What is the force of attraction between any two objects ?

Last Answer : The force of attraction between any two objects is called the force of gravity.

Why do objects weigh more in the polar region ?

Description : Why do objects weigh more in the polar region ?

Last Answer : We know , weight W = mg; Here m = mass of the object and g = gravitational acceleration. The mass of an object is a constant quantity ; Thus the weight of an object depends on the gravitational ... zero in the center of the earth. Therefore the object has no weight at the center of the earth.

Why do objects weigh differently in different parts of the world ?

Description : Why do objects weigh differently in different parts of the world ?

Last Answer : We know , weight W = mg; Here m = mass of the object and g = gravitational acceleration. The mass of an object is a constant quantity , so the weight of the object in the corner depends on ... acceleration is higher in the polar region. Thus the weight of the object is higher in the polar region.

How do we get color perception of colored objects ?

Description : How do we get color perception of colored objects ?

Last Answer : : When we look at an object in a corner, light from the object is refracted by the eye lens and forms a reflection in the retina. From the retina to the nerves in the brain, they ... all the characters through a special process. In this way we get the supernatural perception of colored objects.

What are the sources of falling objects ?

Description : What are the sources of falling objects ?

Last Answer : 1st formula: All objects falling from a fixed position and the same height without any obstruction cross the same path at the same time. 2nd law: The velocity of an object falling from a fixed position ... a fixed position at a given time is proportional to the square of that time. I.e. hµt2

Who discovered the source of falling objects ?

Description : Who discovered the source of falling objects ?

Last Answer : Scientist Galileo discovers the law of falling objects.

What are the sources of falling objects ?

Description : What are the sources of falling objects ?

Last Answer : There are three sources of falling objects.

What is the 2nd law of falling objects ?

Description : What is the 2nd law of falling objects ?

Last Answer : The velocity obtained at a given time ( t) of an object falling from a stationary position without hindrance ( v) is proportional to that time, i.e. , v ∞ t

What is the 3rd law of falling objects ?

Description : What is the 3rd law of falling objects ?

Last Answer : The distance covered by an object falling from a fixed position without any hindrance is proportional to the square of that time. That is, if an object crosses the distance h in one second, it will cross 4h distance in two seconds , it will cross 9h distance in three seconds .

Why do objects get hot when they get heat ?

Description : Why do objects get hot when they get heat ?

Last Answer : Because the object absorbs heat. When heated, the object becomes hot.

Which scientist discovered the formulas of falling objects ?

Last Answer : Scientist Galileo discovers formulas for falling objects.

What is the force of attraction between the earth and the objects near it ?

Last Answer : The force of attraction between the earth and the objects near it is called the force of gravity.

With which instrument can a sailor in a submarine see the objects on the surface of sea?

Description : With which instrument can a sailor in a submarine see the objects on the surface of sea?

Last Answer : – Periscope

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

Description : Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

Last Answer : (2) Wool is a had conductor Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an ... have a greater bulk than other textiles, and retain air, which causes the product to retain heat.

Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Description : Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Last Answer : (1) The speed of ship Explanation: The knot (pronounced not) is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph. There is no standard abbreviation but km is commonly used. The knot is a non-SI unit accepted for use with the International System of Units (SI).

The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean

Description : The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean

Last Answer : (1) The living organisms and non-living objects or factors in an area undisturbed by human activity

Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Description : Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Last Answer : (4) myopia Explanation: Myopia, also known as nearsightedness and short-sightedness, is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it, causing ... at a distant object to be out of focus, but in focus when looking at a close object.

The person suffering from “myopia” cannot see the objects at: (1) Near distance (2) Longer distance (3) any distance (4) Close to eye

Description : The person suffering from “myopia” cannot see the objects at: (1) Near distance (2) Longer distance (3) any distance (4) Close to eye

Last Answer : (2) Longer distance Explanation: Nearsightedness, also known as myopia, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry.

Vehicles use ______ to see the objects coming from behind. (1) Concave lens (2) Convex lens (3) Convex mirror (4) Concave mirror

Description : Vehicles use ______ to see the objects coming from behind. (1) Concave lens (2) Convex lens (3) Convex mirror (4) Concave mirror

Last Answer : (2) Convex lens Explanation: Convex mirror is used in rear view mirror of vehicles; so that the driver can see the traffic coming from behind. The field of view is widest in case of a convex mirror, which enables it to show a wider area from behind.

The direction of heat flow between two objects depends on - (1) Their masses (2) Their heat contents (3) Their temperatures (4) Whether they are in solid, liquid or gaseous state

Description : The direction of heat flow between two objects depends on - (1) Their masses (2) Their heat contents (3) Their temperatures (4) Whether they are in solid, liquid or gaseous state

Last Answer : (3) Their temperatures Explanation: Heat always flows from a body at higher temperature to a body at a lower temperature.

The instrument used to see the distant objects on the Earth is – (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope

Description : The instrument used to see the distant objects on the Earth is – (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope

Last Answer : (1) Terrestrial telescope Explanation: A telescope assists the eye chiefly in two way by enlarging the visual angle under which a distant object is seen, and thus magnifying that object; ... organ, thus rendering objects distinct and visible which would otherwise be indistinct and or invisible.

Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Description : Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Last Answer : (2) Sonar Explanation: Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

The device used for locating submerged objects under sea is – (1) sonar (2) radar (3) laser (4) maser

Description : The device used for locating submerged objects under sea is – (1) sonar (2) radar (3) laser (4) maser

Last Answer : (1) sonar Explanation: Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate ... acoustic location and of measurement of the echo characteristics of "targets" in the water.

Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Description : Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Last Answer : (1) Unit of speed Explanation: The Knot is a unit of speed equal to one nautical mile per hour. The ISO standerd symbol for the knot is Kn.

A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Description : A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Last Answer : (3) Distinguish between certain colours Explanation: Colour blindness or colour vision deficiency is the inability or decreased ability to see coluor, or perceive colour differences, under normal lighting ... to the optic nerve. This type of colour blindness is usually a sex-linked condition.

A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : (2) in front of the retina Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This ... relatively too long or the refractive powers of the cornea and lens of the eye are relatively too strong.

Two forces which make up Newton's third law can A. act on same objects B. act on different objects C. not act at same time D. not act oppositel

Description : Two forces which make up Newton's third law can A. act on same objects B. act on different objects C. not act at same time D. not act oppositel

Last Answer : act on different objects

Momentum possessed by spinning objects is called A. linear momentum B. angular momentum C. normal momentum D. degrees' momentum

Description : Momentum possessed by spinning objects is called A. linear momentum B. angular momentum C. normal momentum D. degrees' momentum

Last Answer :  angular momentum

Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force

Description : Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force

Last Answer : force

Direction of momentum is direction of object's A. mass B. acceleration C. velocity D. frictional force

Description : Direction of momentum is direction of object's A. mass B. acceleration C. velocity D. frictional force

Last Answer : velocity

In elastic collisions, A. only the total momentum of the colliding objects is conserved. B. only the total kinetic energy is conserved. C. both of the momentum and total kinetic energy are conserved. D. neither momentum of the colliding bodies nor the total kinetic energy are recoverable.

Description : In elastic collisions, A. only the total momentum of the colliding objects is conserved. B. only the total kinetic energy is conserved. C. both of the momentum and total kinetic energy ... D. neither momentum of the colliding bodies nor the total kinetic energy are recoverable.

Last Answer : both of the momentum and total kinetic energy are conserved.