What is the kinetic energy of a 6 kg bird moving at a speed of 15 m/s?
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A: Force, F = 50 NDisplacement, d = 10 m The work done on the bag will be given by the formula W = F.d…
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A: Given data: The mass of the airplane is m=4500 kg. The altitude is h=175 m. The velocity is v=49…
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A: The expression for the gravitational potential energy is, Egrav=mgh (I)…
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
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A: Given values: speed v = 14 m/s mass m = 62 kg
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Q: A 1200 kg frictionless roller coaster starts from rest at a height of 16 m. What is its kinetic…
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A: The relation of the kinetic energy is given in terms of mass and velocity Ek=12mv2
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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 45 kg teenager running at a speed of 2.1 m/s? O 21.4 J O 94.5 J O…
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Q: A 1,100 kg horse is walking at 2.0 m/s. What type of energy is being described? Your answer: O…
A: Given, Mass of the horse(m)= 1100 kg Speed of the horse walking (v)= 2m/s
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A: The potential energy is given by U = m g h where, m is the mass, g is the gravity and h is the…
Q: what height is an object that has a mass of 155 kg, if its potential energy is 9500 J? 5.33 m 6.25 m…
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Q: Work amounting to 12 Nm is needed to compress a spring to 4 m from its natural length of 1 m. How…
A: Given Work done in first compression is W1=12 Nm Compression of the spring in first case is ∆x1=4-1…
Q: A 5-kilogram object fell free from a height of 3 meters. What is the kinetic energy of the moment it…
A: According to the conservation of mechanical energy, the total change in mechanical energy of an…
Q: A baseball of mass 0.26 kg is thrown at a speed of 41.5 mi/h. What is its kinetic energy?
A: mass of baseball (m) = 0.26 kg speed (v) = 41.5 mihr
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Q: An 88kg skater starts from rest at the top of a 140 m high hill. What is his gravitational potential…
A: Mass of skater (M) =88 kg Height of hill (h) = 140 m Gravity (g) = 9.81 m/s2 We want to find…
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Q: A baby carriage is sitting at the top of a hill that is 21 meters high. The baby carriage with the…
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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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Q: A runner with a mass of 40 kg increases his speed from rest to 8 m/s. How much work has she done
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Q: A ball weighing 0.25 kg falls from a height of 3.20 m and bounces to a height of 2.40 m. What is…
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Q: A ball has a mass of 6 kg. Suppose it travels at 24 m/s. Find the kinetic energy possessed by it.
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Q: What is the kinetic energy of a 900 kg car whose velocity is 16.67 m/s? O 15.0 kJ 125 kJ 12.5 kJ O…
A: Given Mass of car = m = 900 kg Velocity = v = 16.67 m/s We have to calculate the kinetic energy of…
Q: A 300-kg roller coaster car starts 48m above the ground and is 5m above the ground at the end of the…
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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: You decide to lift a 25 kg box to a height of 3 meters. How much work will you do while moving the…
A: Given:- The mass of the box is m = 25 kg The height h = 3 m Find:- How much work will you do…
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A: As we know work done(W) is given by the formula - W = Fd,F - Force, d - displacement.We also know…
Q: A 0.45 kg ball is kicked up in the air. It falls back on the ground after attaining a height of 10…
A: Given data The mass of the ball is m=0.45 kg The height attained by the ball is s=10 m The final…
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