if you drop a ball from the 76th floor of a building and it takes a time, t1, to fall. what floor should you drop the ball from so that the time it takes to fall is 0.5 xt1 a.10 b14 c19 d24 e29

Q: The Sojourner rover vehicle shown in the sketch below was used to explore the surface of Mars as…

A: Given data:  Power (P) = 10 W Energy (E) = 3.6×107 J Required: Time (t) in hours

Q: Water flows over a section of Niagara Falls at a rate of 1500 kg/s and falls 75 m. How many 60-W…

A: Given: The rate of fall of water is 1500 kg/s. The height of the fall is 75 m. The power of the bulb…

Q: How much gravitational potential energy exists between the planet and moon?

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Q: a) In Figure 4, R1 = R1 2, R2 = R2.= R3=R3, R4 = 75 Q and the ideal battery has em: = 10 V. [05] I.…

A: In the figure given R2, R3 and R4 are in parallel…

Q: Starting from Newton’s law of universal gravitation, show that for a small object of mass m in a…

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Q: Calculate the gravitational potential energy of a 10 kg mass located 5 meters above the surface of…

A: The formula for the gravitational potential energy near the earth's surface is given as,…

Q: How much does the gravitational potential energy of a 1.2 kg object increase if you lift it upward…

A: Given: The mass of the object is 1.2 kg. The height from the ground is 30 cm.

Q: How do you find the escape velocity for objects on the planet Venus?

A: Gravitational force  F = (GmM)/R2   m= mass of the object M = mass of the Venus G = gravitational…

Q: sketch a graph that shows the proper relationship.

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Q: . Show all work to calculate the escape speed from the surface of: a. The moon. b. The earth. c. The…

A: escape speed formula is given by ve=2GMr Where, M is mass of the gravitating body  r is distance…

Q: The planet Saturn has an average radius of 9 Earth radii and a density of 0.7 g/cm3 (yes, less dense…

A: The distance at which a moon can orbit a planet without disintegrating by its tidal forces is called…

Q: What is  the general equation for potential energy due to gravity using Ug=mgΔh?

A: The gravitational force of attraction acting on the mass m is calculated by the following equation.…

Q: An object of mass 16.0 kg moves from a height of 38.6 m above the ground to a height of 41.9 m. What…

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Q: If the escape speed of earth is 12km/s, what would be its mass in kg (write in 4 significant…

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Q: A 59 kg person climbs up the stairs with a height of 5.5m. Where does the energy come from to cause…

A: Energy come from to cause this increase as potential energy Potential energy increase in this case…

Q: What distance is a rock from the floor if the rock contains 175 joules o potential energy and has a…

A: Given, Rock contains potential energy of 175 J. Mass , m = 25 Kg We know that potential energy = mgh…

Q: m Location 1 has a gravitational force of 9.82 . Location 2 has a gravitational force of 9.80 . A…

A: When an object is dropped it is accelerated towards the center of Earth. This acceleration is caused…

Q: A person hikes to the top of Mount Everest, which is 9km at its peak. If the person is 60kg, what is…

A: Given data The Height of the peak is h = 9 km. The mass of the person is m = 60 kg. The…

Q: Which of the following quantities represent mass? 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN)…

A: Given 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN) 0.34 m 411 cm

Q: a skater starts on a ramp 5 m above ground. they have a mass of 45 kg. what's their gravitational…

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Q: If mars has a mass of 6.4 x 1023 kg and a radius of 3.39 x 106m. What is the escape speed needed…

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Q: A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational…

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Q: What is escape speed?

A: When a body is thwon upward away from the surface of the earth, it goes upto a maximum height and…

Q: What is known as grand free energy ?

A: The grand potential is a quantity used in statistical mechanics, especially for irreversible…

Q: Question 3 A space craft achieved a maximum speed of 125,000 km/h on its way to photograph Mars.…

A: The velocity of the space craft is given as, v = 125000 km/h (or) v = 34.72×103 m/s TO DETERMINE:…

Q: An asteroid closely passes the Earth at a range of 17200 mi and relative speed of 7.8 km/s. The…

A: v=Velocity of asteroid=7.8 km/s=7800 m/sS=Specific gravity of asteroid=3ρw=Density of water=997…

Q: A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational…

A: Given, Mass m = 50 kg            Initial height hi = 10 m           Final height hf = 5 m The…

Q: Calculate the escape speed from the earth, if in lunar orbit.

A: The energy possessed by an object which is in motion with velocity v is known as the kinetic energy…

Q: a shot putter hrows a 6kg shot with a final velocity of 7m/s. What is the kinectic energy of the…

A: Given that,  A shot putter throws a 6 kg shot with a final velocity of 7 m/s Mass  = 6 kg Velocity =…

Q: A 51-kg satellite is put into orbit and has 152 MJ of kinetic energy. How high above the Earth's…

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Q: What’s the speed of a point on the equator of a planet whose radius is 2.2 times that of Earth?

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Q: A person has accommodation power 10 diopter and far point infinity his near point 0.1 m 0.2 m 110 m…

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Q: 10. Calculate the gravitational potential energy of a 10 kg mass located 5 meters above the surface…

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Q: A man weighing 73.4 kg is standing at the 4th floor of a building, which is 15 meters above the…

A: Mass of the person m=73.4 kg, height at which he is standing from the ground h=15 m and acceleration…