[Numbers change] If this amount of energy were used to lift a person with mass 92 kg off the ground, how far up would it lift them (in meters to 0.1 m precision)?
Q: How fast would a 89 kgkg person have to run to have a kinetic energy equal to the amount of energy…
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Q: (a) The roof of a large arena, with a weight of 250 kN, is lifted by 11 cm so that it can be…
A: Weight of the roof (F) = 250 kN.Lifted distance (d) = 11 cm. = 0.11 m.
Q: A 8-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately…
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Q: The roof of a large arena, with a weight of 480 kN, is lifted by 34 cm so that it can be centered.…
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Q: A force 51 N pushes a crate of mass 5 kg along the floor, where the force of friction opposing the…
A: the acceleration of the motion is a=Fnetm=F-Ffrictionm=51 N-24 N5 kg=5.4 m/s2
Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…
A: Expression for force applied to lift the object - F=mg Where m=Mass=9 kg g=Acceleration due to…
Q: A bicycle and rider going 14 m/s approach a hill. Their total mass is 62 kg. (a) What is their…
A: Given values: speed v = 14 m/s mass m = 62 kg
Q: A spring is 37 cm long. It is stretched by a force of 12 N until it is 51 cm long. How much energy…
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Q: A small gasoline‐powered car weighs 1100 kg. The rear seating weighs 34 kg. How much energy and…
A: GIVEN Weight of the gasoline powered car = 1100 kg rear seating weighs 34 kg Lifetime of the car =…
Q: A strong weight lifter raises a weight of 178 kg from x=0 m to x=1.58 m. How much GRAVITATIONAL…
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Q: A vehicle of 50 quintal climbs up a hill of 10 m. The potential energy gained by it is (take g = 10…
A: Calculating the potential energy by formula P = mgh
Q: A spring has a natural length of 28 cm. If a 23 N force is required to keep it stretched to a length…
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Q: An airplane has a mass of 190839 kg and carries 395 passengers having an average mass of 63 kg each.…
A: Given:The mass of the airplane: M = 190839 kg;The number of passengers: n = 395;The average mass of…
Q: What is the kinetic energy of a 4 kilogram cat runnig at 5 m/sec ?
A: given that,mass of cat, m=4 kgvelocity of cat, v=5 ms
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 you push a crate horizontally with 100 N across a 10-m factory floor and friction between the…
A: The horizontal force is 100N, the frictional force is 70N, and the distance moved by the crate is…
Q: A force of 190 Nt is used to lift an 18kg mass from the ground to a height of 22m. Assume no…
A: Given :Force need to lift the body,F=190 N,Mass of body, m=18 kg,Height from ground, h= 22m a. The…
Q: An object is lifted vertically by applying a force of 100 N over a distance of 2 meters. If the…
A: Vertical force applied on object is Distance covered by object is Potential energy gained by object…
Q: How much work is done on a 30.0 kg mass to change its speed from 3.00 m/s to 4.00 m/s over a…
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Q: How fast must a 400 kg motorbike be moving to have a kinetic energy of: (a) 1,200 J (b) 1,600…
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Q: A car has a kinetic energy of 4.32 × 10° J when traveling at a speed of 23 m/s. What is its mass?
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Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 700 kg, from the…
A: mass m = 700 kg height h = 13 m g = 10 m/s2
Q: How high would you have to lift a 2000 kg car to give it a potential energy of: (a) 0 x 103 J,…
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Q: A ball has a mass of 12 kg. Suppose it travels at 18 m/s. Find the kinetic energy possessed by it.
A: Mass (m) = 12 kg Velocity (v) = 18 m/s Kinetic energy (K.E) = ? Formula K.E = (1/2) mv^2=…
Q: A weight lifter raises a 100 kg barbell to a height of 2 m. what is the barbell's potential energy?…
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Q: How high would you have to lift a 2000 kg car to give it a potential energy of: (a) 4. 0 x 103 J ,…
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Q: How much power does a swimmer produce if she transforms 2.4 kJ of chemical energy (in food) to…
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Q: A ball has a mass of 4 kg. Suppose it travels at 14 m/s. Find the kinetic energy possessed by it .
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Q: An ideal spring of negligible mass is 12,00 cm long when nothing is attached to ît, When you hang a…
A: Given: The natural length of the spring is 12 cm. The final length of the spring is 13.4 cm due to…
Q: 2. (a) What is the kinetic energy of a 4.0-kg mass moving at 5.0 m/s? (b) If the mass was…
A: Given that, Mass (m)= 4 kg Velocity (v)= 5 m/s Force (F)= 20 N Initial velocity (u)= 0 We know that,…
Q: 1. (a) How long will it take a 1050-kg car with a useful power output of 181 hp (1 hp equals 746 W)…
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Q: A small airplane moving along the runway during takeoff has a mass of 690 kg and akinetic energy of…
A: Given: mass of airplane, m = 690 kg kinetic energy of airplane, K = 25000 J
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