QI An airplane with 5000 kg start to fly with velocity 150m/s and altitude 10000 m relative to the earth surface. The change in airplane kinetic energy was 10000 kJ. Calculate the airplane initial kinetic and potential energy. Also calculate the final airplane velocity?

Q: A0.13-kg ball is thrown upward with an initial speed of 19 m/s, Calculate the gravitational…

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Q: A 34.0 cm long pendulum with a 245-g bob swings through at an angle of 180 degrees. Choose the…

A: L =34 cm  mass, m = 245 g = 0.245 kg

Q: A 250 g cart rolls 1.80 meters down along an inclined track. The track makes an angle of 24o with…

A: a. Let the height be h and base be represented by s. h=1.8sin24o =0.732 m s= 1.8cos24o = 1.644 m…

Q: A person pushes a wheelbarrow with a horizontal force of 50 N on levele ground over a distance of…

A: Drawing Free body diagram of the wheelbarrow We know that workdone W=F×D×cos(θ)…

Q: Phreddy took a trip to Mexico where the famed cliff divers take the plunge. He climbs to the top of…

A: *We'll answer only the first three sub-parts since the sub-parts to be answered were not specified.…

Q: 1. A roller coaster is traveling at 50 m/s and has a kinetic energy of  82J.calculate the mass of…

A: Given: The speed of the roller coaster is 50 m/s. The kinetic energy of the roller coaster is 82 J.…

Q: The figure below shows a fluid inside a cubical container of side 1 m. If the pressures inside and…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A ball is projected into the air. Where is the potential energy the greatest? B. OA. OC. O A O B C…

A: In a projectile is launched into the air KE is at its maximum.  In the projectile gains altitude PE…

Q: Help please can you match please?

A: Given- initial Mass m=30 kgHeight h=6 mg=10 m/s2Final speed vf=7 m/sInitial speed vi=0 m/s

Q: An object is held above the gound and has an initial kinetic energy of 0 J and an initial potential…

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Q: Q31. If a ball falls from a height h then the sum of its kinetic and potential energy after it falls…

A: Let the mass = m  Let the height from which mass is dropped = h

Q: 3. The energy needed to increase the speed of a certain car from 22 m/s to 54 m/s is 2900 kJ. a)…

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Q: A car in a roller coaster, whose mass is equal to 200 Kg, starts from rest at a height of 50.0 m…

A: Part (a) Given: The mass of car is m=200 kg. The height of car at point A is hA=50.0 m. The initial…

Q: What is potential energy? Provide a simple explanation. b) An apple on a tree is hanging 3m from…

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Q: A roller coaster car starts from rest at the top of a large hill as shown below. Where does the car…

A: Given data:  Initial velocity of Roller coaster (v0) = 0 m/s Start from top of the hill

Q: Kinetic Energy = 40 x 16 Kinetic Energy = 640 J %3D 1. You serve a volleyball with a mass of 2.1 Kg.…

A: Given, Mass of the volley ball, M = 2.1 kgspeed, v = 30 m/s

Q: A0.118-kg ball is thrown upward with an initial speed of 27 m/s , Calculate the gravitational…

A: mass of ball (m) = 0.118 kg Initial upvards velocity (v) = 27 ms

Q: 1. Why does defining kinetic energy make calculations easier? 2. You drop a ball from the top of…

A: If an object has mass 'm' and velocity 'v' then the kinetic energy of the object can be found using…

Q: Explain the relationship between kinetic energy and gravitational potential energy during a vertical…

A: Refer explanationExplanation:During a vertical jump, kinetic energy and gravitational potential…

Q: An airplane heads due east at 110 m/s through a 25 m/s cross wind blowing from north to south. The…

A: Note: As per Bartleby's rule, only one question should be answered. Kindly resubmit the other…

Q: A truck travelling at a speed of 50 km/h has a kinetic energy of 600 kl. If the speed of the truck…

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Q: A man climbing a mountain carryig a bag with mass 7.5 kg, after 30 min he reach 8.2 m height from…

A: Mass of the bag m=7.5 kg Weight of the bag Wb=mg Displacement of the bag h=8.2 m The work done from…

Q: The kinetic energy of a car is 1.0 x 10^5 J. Calculate its kinetic energy if the car’s speed is a.…

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Q: K02

A: Given that:-Mass of the ball, m=12 kgHeight, h=27 mto calculate, PE after 1 secWe know…

Q: A 4 kg ball falls from height of 29. What willbe potential energy of the ball after 1 second? Use g…

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Q: For a system having a mass of 1 lb whose velocity increases from 50 ft/s to 100 ft/s while its…

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Q: A 5-kg mass mass is projected straight up with a speed of 15 m/s. a. To what height does the mass…

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Q: Calculate the potential energy of a 4.5 kg bowling ball that is on the ground. Assume that g = 9.8…

A: Mass, m = 4.5 kg Ball is on the ground means height is zero.  Acceleration due to gravity, g = 9.8…

Q: A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational…

A: Given data The initial velocity of the kid is: u = 0 m/s The gravitational potential energy at the…

Q: A B C A student builds a roller coaster as shown. The heights of the points are A= 2.9 m B= 0.7 m C=…

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Q: A swimmer is on the too of platform which is 10 meters high to prepare himself for the dive. At his…

A: Given  h = 10 m  Potential energy of swimmer at height       h = 10 m  with respect to water surface…

Q: A student builds a roller coaster as shown. The heights of the points are A= 3.3 m B= 1.4 m C= 0 m.…

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Q: A 72.0 kg swimmer jumps into the old swimming hole from a tree limb that is 3.75 m above the water.…

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Q: What is the mass of an object thrown horizontally at a height of 1000 m if its stored vertical…

A: Given: height h=1000 m potential energy PE=1000 J To find: mass m=?

Q: An object with a mass 100 kg decrease in kinetic energy of 500 kJ and an increase in potential…

A: Given Data: The mass of an object is, m=100 kg The decrease in kinetic energy is, ∆K·E=-500 kJ The…

Q: A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…

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Q: Let's calculate some SIMPLE kinetic energy equations: What is the kinetic energy of a O.5kg soccer…

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Q: A book is found to be sitting at the top of a book shelf with a height of 2.5 meters. If the book is…

A: Let the mass of the book = M Initial height = 2.5 m New position of book = 1 m lower than its…

Q: Find the kinetic energy K of the car at he top of the loop in Joules. B. Find the minimum initial…

A: As the track is frictionless energy will be conserved at every point of the track.

Q: What is kinetic energy (KE)? What is potential energy (PE)? Discuss their similarities and…

A: Kinetic energy is a category of energy used under the context of dynamics of motion. The energy…

Q: a. According to the graph, what is the gravitational potential energy of the object when it is…

A: From the graph Gravitational potential energy of the object at the height of 3 meters= 60 Joule