Description : An object with 100 N weights is raised to a height of 15m. Find the potential energy possessed by the object at that height. Also find the new potential energy: -Physics 9th
Last Answer : Potential Energy is given by PE=mgHPE=mgH Given mg=100N and H=15 m PE=100 15=1500JPE=100 15=1500J If If the same object is raised half of its original height i.e H= 7.5 m PE=100 7.5=750JPE=100 ... same object is raised to three times of its original height i.e H=45 m PE=100 45=4500JPE=100 45=4500J
Description : What factors do the gravitational potential energy stored between an object and earth depends on?
Last Answer : Feel Free to Answer
Description : When a free falling object approaches the earth, its potential energy?
Last Answer : Decreases
Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above
Last Answer : ANSWER: Z -- 250 JOULES
Description : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth,
Last Answer : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of ... and G = 6.67 10-11 Nm2 kg-2.
Description : Potential energy increases as the height?
Last Answer : Increases
Description : Find the energy possessed by an object of mass 10 kg when it is at a height of 2 m above the ground. Given, g = 10 m/s2 -Physics 9th
Last Answer : Given, Mass of object m=10kg. Height h=6m. Acceleration due to gravity g=9.8m/s2 Potential Energy of object P.E=m×g×h ⇒mgh=10×9.8×6=98×6 =588J Energy possessed by the object is 588Joule.
Description : When you drop an object from a height does its kinetic energy increase or decrease as it falls?
Last Answer : decrease
Description : What is the potential energy when an object hits the ground from a high place ?
Last Answer : When an object hits the ground from a high place, the potential energy is zero.
Description : If an object is thrown up in the air how does its gravitational potential energy change?
Last Answer : The higher an object travels, the greater its potentialenergy.
Description : What is the potential energy of a 50 newton object resting on the edge of the cliff 30 meters high?
Last Answer : 1500 joules
Description : ________ energy is the total kinetic and potential energy of the particles in an object.?
Last Answer : In microscopic particles it's called internal energy. In macroscopic particles it's called thermodynamic energy.
Description : What happens to its potential energy when an object is taken to high altitude? (1) Its potential energy increases (2) Its potential energy decreases (3) Its potential energy remain same (4) None of the above
Last Answer : (1) Its potential energy increases Explanation: When an object is taken to high altitude its potential energy increases.
Description : Potential energy of an object at a ground level is?
Last Answer : Zero
Description : Work done on an object to bring it to certain point in space is called A. gravitational potential energy B. potential energy C. kinetic energy D. mechanical energy
Last Answer : kinetic energy
Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass
Last Answer : ANSWER: W -- MOMENTUM
Description : The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground
Last Answer : ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND
Description : Which of the following provides the best description of an entity type? (A) A specific concrete object with a defined set of processes (e.g. Jatin with diabetes) (B) A value given to a ... template for a group of things with the same set of characteristics that may exist in the real world
Last Answer : Answer: D
Description : Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- (1) remains same (2) becomes half (3) becomes twice (4) becomes one-fourth
Last Answer : (4) becomes one-fourth Explanation: The gravitational force is proportional to 1/R2, where R is the distance from the centre of the Earth. So at a height of 2R from the centre of the earth, the corresponding weight would be one-fourth of the original weight.
Description : The height which the weight of a body becomes 1/16th, its weight on the surface of earth (radius R) is (1) 4 R (2) 5 R (3) 15 R (4) 3 R
Last Answer : (4) 3 R
Description : The weight of an object will be maximum when it is placed at a.North pole b.South pole c.Equator d.Centre of earth e.Any of the above loctions
Last Answer : d. Centre of earth
Description : If the mass of an object is doubled and the mass of object B is halved, what will be the difference in the weight of the two objects on earth ?
Last Answer : Weight depends a lot on mass. The mass of the two objects does not hold 2 . The previous weight of A is w = 2 * 9.8 = 19.6 N. If I double, mass = ( 2 * 2) = 4 . Therefore w '= 4 * 9.8 = 39.2 N. . Again b's w "= 2 * 9.8 = 19.6 N .. And halving the mass = 1 .
Description : What is the weight of an object on the moon compared to the earth ?
Last Answer : The weight of an object on the moon will be one sixth of that of the earth.
Description : What is the weight of an object at the center of the earth ?
Last Answer : The weight of the object at the center of the earth is 0 ( zero).
Last Answer : The weight of the object in the center of the earth is 0
Description : How do I find the distance an object is from the earth with only it's mass and weight in it's current position?
Last Answer : You divide the mass by the weight, to get the gravitationalacceleration. Then you use the fact that this gravitationalacceleration, or gravitational field, is inversely proportional tothe square of the distance. The distance should be calculated fromthe center of the Earth.
Description : The weight of an object at the poles is greater than at the equator. This is because (a) Of the shape of the earth (b) The attraction of the moon is maximum at the earth’s surface (c) The attraction of the sun is maximum at the earth’s surface (d) Gravitational pull is more at the poles
Last Answer : Ans:(d)
Description : Acceleration of free fall depends on the A. surface B. weight of object C. distance from center of Earth D. size of object
Last Answer : weight of object
Description : The mass, in kilograms, of an object whose weight on earth at sea level is 490 newtons is: w) 50 kilograms x) 100 kilograms y) 225 kilograms z) 1,100 kilograms
Last Answer : ANSWER: W -- 50 KILOGRAMS
Description : Consider the following statements: 1. Propagation of a nerve impulse in a myelinated nerve fibre is different from that of unmyelinated fibre. 2. The impulse actually travels by leaping through the nodes of Ranvier in an unmyelinated fibre 3. ... incorrect? (a) 1, 2 (b) 1, 3, 4 (c) 2 only (d) 2, 3
Description : Statistics , Problems with Two Projectors ? From the top of a 100 meter high tower an object is thrown at a 30 ° angle with a horizontal speed of 50 ms . At the same time another object from ... সাথে with the same velocity horizontally . At what time and at what height will the two objects meet ?
Last Answer : answer:
Description : A compound lens is made of two lenses having powers `+15.5 D` and `-5.5D`. An object of 3cm height is placed at a distance of 30 cm from this compound
Last Answer : A compound lens is made of two lenses having powers `+15.5 D` and `-5.5D`. An object of ... cm from this compound lens. Find the size of the image.
Description : An object of height 4 cm is kept at a distance of 80 cm from the pole af a diverging mirror. If the focal length of the mirror is 10 cm. the height of the image formed is (a) + 3.0 cm (b) + 2.5 cm (c) + 1.0 cm (d) + 0.75 cm
Last Answer : (c) + 1.0 cm
Description : While calculating the overtaking sight distance, the height of the object above road surface, is assumed (A) 50 cm (B) 75 cm (C) 100 cm (D) 120 cm
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) The height of head light above road surface, is taken as 0.75 m (B) The beam of head light is up to one degree upwards from the grade of road (C) While designing the valley curve, the height of the object is assumed nil (D) All the above
Description : When H is the flight height, R is the appropriate radial measure and d is the relief displacement, the vertical height of an object appearing on an aerial photograph is
Last Answer : dH/R
Description : Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of ... zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk
Last Answer : e. The density of milk decreases when cream is taken out of milk
Description : Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy? (1) Earth (2) Moon (3) Venus (4) Saturn
Last Answer : (2) Moon Explanation: The Moon and other celestial bodies contain a vast amount of natural resources. One, and in abundance, is helium-3. It is estimated that forty tons of it can meet twenty five percent of the global energy demand for one year.
Description : Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? (1) Earth (2) Moon (3) Venus (4) Saturn
Last Answer : Moon
Description : The rate of change of linear momentum of a body falling freely under gravity is equal to it's (1) Kinetic Energy (2) Weight (3) Potential Energy (4) Impulse
Last Answer : (2) Weight Explanation: Rate of change of impulse equals the force. In case of freely falling body the only force is the weight.
Description : Give a daily diet chart for weight loss. ? I weigh 73 kg and height 5 feet 2 inches , now I want a daily diet chart to lose weight
Last Answer : Morning: Tea or coffee without milk , two loaves of bread , one bowl of cooked vegetables , one bowl of raw cucumber. Cucumber works like magic to lose weight. Midday: The white part of an egg ... good health. Instead, keep in mind that it is the cause of various diseases and be health conscious.
Description : If you could make one type of object disappear from Earth, what would it be?
Last Answer : Narcotic.