How much gravitational potential energy (relative to the ground on which it is built) it's stored in an Egyptian pyramid given its mass is about 5×10^9 kg end it center of mass is 24.0 M above the surrounding ground ? j ? part (b) what is the ratio of this energy to the daily food intake of a person ( 1.2x10^7j) ? :1 ? I used the ^ to show exponent

Q: Calculate the initial kinetic energy of a 1 tonne meteorite which hits the Earth at a velocity of 25…

A: Part (4):Given: The mass of the meteorite is 1 tonne. The speed of the meteorite is 25 km/s.

Q: A weightlifter lifts an 110-kg barbell at a height of 2.3 meters above the ground. If it took 3.1…

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Q: A container with a mass of 5.1 kg is lifted to a height of 8 m and then returned back to the ground…

A: Solution: A container is lifted to height h and then returned back to ground level. How much work is…

Q: A force of 2 pounds is required to hold a spring 2.4 inches beyond its natural length. How much work…

A: Given: force applied, F = 2 pound displacement, S  = 2 inch

Q: Suppose that 4 J of work is needed to stretch a spring from its natural length of 26 cm to a length…

A: The natural length of a spring is 26cm.The work is(W)1= 4J is required to change the length of the…

Q: 2) A 0.145 kg baseball has a kinetic energy of 74J. Find its speed.

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Q: If you have an object with a mass of 385 grams, and it is moving at a speed of 2.637 m/s, what is…

A: Given data:  Mass (m) = 385 g Speed (v) = 2.637 m/s Required: The kinetic energy in Joules

Q: Kinetic Energy is: KE = ¬mv², where %3D KE = kinetic energy, m =mass, and v = %3D velocity. What is…

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Q: object of mass 1kg has a velocity of (i2+j-4)m/s. What is its kinetic energy?

A: Given Mass m = 1 kg Velocity v̅ =( 2î + 4ĵ ) m/s

Q: Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

A: Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

Q: Given that the PE at B is 25.0 kJ and KE at B is 80.0 kJ. What is the KE at A if the height at A is…

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Q: Needs Complete solution with 100 % accuracy.  Don't use chat gpt or ai.     Plz plz plz.

A: Step 1: here we have calculate the output power Step 2: here we have calculate the input power Step…

Q: A ball of 7 kg has velocity given by ü = ( 6 î - 5 ĵ + 2 k ) m/s What is the kinetic energy? Answer…

A: Mass of the ball is m = 7 kg velocity of the ball is v = 6i - 5j +2k

Q: A spring has a natural length of 16 cm. If a 25-N force is required to keep it stretched to a length…

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Q: Suppose that 5 J of work is needed to stretch a spring from its natural length of 34 cm to a length…

A: (a) The spring constant can be written as E=12kx2k=2Ex2k=25 J10×10-2cm2k=1000 N/m…

Q: Suppose that 2 J of work is needed to stretch a spring from its natural length of 28 cm to a length…

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Q: How much kinetic energy does a 0.3-kg stone have if it is thrown at 15 m/s? calculate to one…

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Q: Suppose that 6 J of work is needed to stretch a spring from its natural length of 28 cm to a length…

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Q: A motorcycle can go from 0-60 mph in 3.5 sec.  The mass of the motorcycle is 450 kg.  (a)  What is…

A: The work done is equal to the change in kinetic energy. The power is defined a the rate of doing…

Q: If a pigeon sits on top of a building and has a potential energy of 249 J, if the pigeon has a mass…

A: Introduction: Potential Energy: It is stored energy of position possessed by an object. There are…

Q: According to the work-energy theorem, the work done on an object (or system). If the only change in…

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Q: across a fl88r. The force is directed at an angle upward from the crate so that the vertical…

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Q: A typical baseball has a mass of 0.145 kg. Some pitchers can throw a baseball with a speed of about…

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