How much gravitational potential energy (in J) (relative to the ground on which it is built) is stored in an Egyptian pyramid, given its mass is about 4 ✕ 109 kg and its center of mass is 20.0 m above the surrounding ground? (Enter a number.)

Q: If the potential energy of an object at a certain height is 200 J and it falls, then what would its…

A: Given in question - Potential energy at height (P.E) = 200 J To find - What would be its kinetic…

Q: As part of a charity fund raising drive, a runner with mass 50.0 kg runs up the stairs to the top of…

A: Mass of the runner=50kgHeight=443macceleartion due gravity=g=9.8m/s2Increase in potential…

Q: what is the total mechananical energy of falling baseball from the highest  of 4 m ,3.22 m and 2.25…

A: Given data: h1=4 mh2=3.22 mh3=2.25 mm=3 kgg=10 m/s2 Need to determine the mechanical energy.

Q: A 6260-kg satellite is in a circular earth orbit that has a radius of 3.17 x 107 m. A net external…

A: Given : Mass of the satellite, m = 6260 kg Initial radius of the circular Earth orbit, ri = 3.17 x…

Q: When a box with mass m = 4.5 kg is lifted up 3.1 m from the ground, how much gravitational potential…

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Q: Consider a uniform rod of mass 30 kg and length 1.7 m.  The rod is pinned at one end and allowed to…

A: SOution: Givent that Mass = M=30 kg Length =l = 1.7 m Angle = θ = 44 degree

Q: Two masses m1 = 4.50 kg and m2 which has a mass 60.0% that of m1, are attached to a cord of…

A: Given: Mass of first block m1 is 4.50 kg. Speed of the masses is 2.42 m/s. Formula Used: Mass of…

Q: Suppose that as part of their training, the football players of MSU went up a stair in 66 s. The…

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Q: An individual (169 lbs) is running on a treadmill at 7 mph with an incline of 2% for a total of 120…

A: Calculate the inclined distance traveled on treadmill in 120 minutes. s=vt=7 mph120 min=14 miles…

Q: A block of mass M 2 kg starts from rest from the top of an inclined plane of length L= 69 cm and…

A: Answer              a) v=2.5249 m/s

Q: When a 1984 Alfa Romeo Spider sports car accelerates at the maximum possible rate, its motion during…

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Q: four particles, each of mass 20.0 g, that form a square with an edge length of d = 0.600 m. If d is…

A: The mass of each particle,

Q: In order for work to take place O the energy present must be related to the movement of the object O…

A: Write the expression or the work done. Here, F represents the applied force, d represents the…

Q: Since the ball is at rest, it has no kinetic energy and thus the total mechanical energy of the ball…

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Q: lock of mass m = 2.9 kg is placed on a rough incline surface making an angle θ = 13.8°  with…

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Q: How much gravitational potential energy (relative to the ground on which it is built) is stored in…

A: Given: The mass of the pyramid is 9x109 kg. The height of the center of mass of the pyramid is 42 m…

Q: A block of mass m=3.9kg is placed on a rough inclined surface making an angle of θ=38o with the…

A: The work done by a force is given as W=F→.S→Where F is applied force and S is the displacement The…

Q: The gravitational potential energy, U of an object when moved away from the Earth is -125,000 J. How…

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Q: A proton (mass m = 1.67 x 10 27 kg) is being accelerated along a straight line at 4.60 x 1010 m/s?…

A: mass of the proton, m = 1.67 ×10-27 kgaccelerated along the straight line at, a = 4.60 ×1010…

Q: A car accelerates from rest to 14 m/s in 5 seconds on a horizontal road under perfect conditions. If…

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Q: How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

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Q: Taking the surface of Earth as reference level, how high above the ground does a 65-kg flying witch…

A: Mass of the witch is 65kg  Gravitational PE = mgh

Q: How much gravitational potential energy (relative to the ground on which it is built) is stored in…

A: Given: Mp = Mass of the pyramid =9×109 kghcom = height of the Center of Mass of the pyramid= 42 mEp=…

Q: How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

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Q: For a satellite orbiting the earth, the distance D from the center of the Earth is a power function…

A: The relation between the distance from the center of the Earth and the period of the satellite is…

Q: What is the work done by the normal force if a 10 kg mass moves 10 m up an inclined plane with…

A: Work done is defined as the Scalar product of force and displacement. W = F•d

Q: An object is sliding down a frictionless incline of angle 48.8 degree. Given the potential energy of…

A: Given info: Angle of inclination, θ=48.8° Potential energy of the object at the top, P.E=7.73 J…

Q: A proton (mass m = 1.67 × 10-27 kg) is being accelerated along a straight line at 2.70 × 1011 m/s2…

A: (a)consider the kinematic equation.Vf2=v02 +2as                (i)             where,     vf=final…

Q: A block of mass m is placed on a rough incline surface making an angle 0 = 27.5 with horizontal. A…

A: Mass of the block is m  Angle of inclination is 27.5 degrees Horizontal force applied is F = 10.3 N…

Q: Built around 2600 BCE, the Great Pyramid of Giza in Egypt is 176 m high (due to erosion, its current…

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Q: A gravitational potential energy function of a particle is U(y) = (2.00y2 + 3.00y + 6.00) J.…

A: Given:  U(y)=(2.00y2+3.00y+6.00)J To find: Gravitational force at displacement 1.0 m = F at y=1.0 m…

Q: How high must a 20 kg box be lifted to give it 784J of potential energy?

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Q: What average mechanical power (in W) must a 70.5 kg mountain climber generate to climb to the summit…

A: Write the given values with suitable variables. m=70.5 kgh=305 mt=47 min=47×60 s=2820 s Here, m, h,…

Q: When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: Given: mass of adult person, M = 81 kg mass of child, m = 18 kg  change in gravitational potential…

Q: A 4 kg particle has an initial velocity of (6i-3j) m/s. Some time later, its velocity changes to…

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Q: A lunar module weighs 12 metric tons on the surface of the Earth. How much work is done in…

A: Given information: Weight of the lunar module on surface of the earth (We) = 12 metric-ton The…

Q: How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

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Q: An Olympic swimmer stands on top of a platform at a height H above a swimming pool. At the moment of…

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Q: A meteor falls toward Earth's surface. Given that the acceleration due to gravity is 9.8 m/s^2, what…

A: Given: The mass of the object is 50 kg. The acceleration due to gravity is 9.8 m/s. Then altitude is…

Q: potential energy of a body

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Q: Two masses m1 = 4.30 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of…

A: Given: Mass m1 = 4.3 kg. Mass m2 = 50% of m1 = 0.5×4.3 = 2.15 kg.