What is the kinetic energy of a 1000 kg car whose speed is 80 km/h?
Q: 2 kg ball is held above the ground with a potential energy of 59 J. At what height is it held? 1 3…
A: Given Mass (m) = 2 kg Potential energy (U) = 59 J Let ball is held at height ' h ' .…
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: After scoring a point, a rugby catcher, weighing 84 kg, celebrates by jumping 1.20 m on the ground.…
A: Given : m = 84 kg h = 1.20 m
Q: A bicycle and rider going 15 m/s approach a hill. Their total mass is 91 kg. (a) What is their…
A: Given, Mass,m=91 kg Speed,v=15 m/s
Q: What is the kinetic energy of a 65.0 kg football player running at 7.5 m/s?
A: Kinetic energy is mass m and speed v is given by, KE=12mv2 Given: Mass m=65 kg Speed v=7.5 m/s
Q: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body…
A: The expression for the power is as follows: P=WΔtP=W0mΔNΔt…
Q: A box with a mass of 85kg is sliding horizontially at 17m/s when it reaches a ramp with an incline…
A:
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: what is the PE of a 4 kg object that is 5 m above the ground?
A: Given data: The mass of the object is: m = 4 kg The height of the object from ground level is: h…
Q: A 5.0 kg mass is falling from a height of 10.0 m with a speed of 2.0 m/a what is it's totally…
A:
Q: A 0.058-kilogram tennis ball is thrown into the air and reaches a height of 3.5 meters. How much…
A: Potential Energy (PE) is given by = mgH m = mass, g = acceleration due to gravity, H = height m =…
Q: (a) What is the kinetic energy of a 1000 kg automobile traveling at 0.44 km/hr? (b) How much work…
A: Given: mass, m = 1000 kg speed,v = 0.44 km/h = 0.122 m/s
Q: How much work must be done to stop a 1300-kg car traveling at 112 km/h? (Hint: You will need to…
A:
Q: How much work is required to throw a ball with a mass of 0.46 kg 33.1 m/s? Assume the ball starts at…
A: Given Mass of ball = 0.46 kg Initial velocity of ball = 0 m/s Final velocity of ball = 33.1 m/s We…
Q: A bird (m=250g) is flying through the sky at 10m/s, if the birds total energy is 1000J, what is his…
A: Given data: Mass (m) = 250 g = 0.250 kg Velocity (v) = 10 m/s Total Energy (TE) = 1000 J Required:…
Q: A toboggan with three people on it has a total mass of 410kg. How much kinetic energy does it have…
A: Given data: Mass, m=410 kg Velocity, V=9 m/s Our question is to find the Kinetic energy of the…
Q: A crate with mass of 2121 kg is dropped off a building 2222 m above the ground. Assuming a complete…
A: By conservation of mechanical Energy Initial potential energy = final kinetic energy Initial…
Q: Catching a wave, a 74.6-kg surfer starts with a speed of 1.18 m/s, drops through a height of 1.80 m,…
A: The initial energy of the surfer is
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: With brakes fully applied, a 1310 kg car deccelerates from a speed of 79.0 km/hr. What is the work…
A:
Q: If a 1 kg stone is thrown vertically upward w/ a kinetic energy of 680 J. it will rise to height of…
A: According to conservation of energy , the kinetic energy of stone is equal to the potential energy…
Q: A 18,000 kg aircraft is lifted to a height of 12 m. How much potential energy does the aircraft…
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Q: How much work is done by a table as it holds up a 3.8 kg cat? Your answer: O OJ 3.8 J 37 J The…
A: The work done to hold up a cat on the table is the potential energy due to the gravitational force.…
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 734 kg formula 1 race car hits its top speed of 325 km/h. What is the kinetic energy of the car at…
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- A 0.45 kg ball is kicked up in the air. It falls back on the ground after attaining a height of 10 m.Calculate the energy values below. We assume no fiction.g= 9.80 m/s2EGP = gravitational potential energyEK=kinetic energy EGP at 0 m =EGP at 10 m =EK at 10 m =EK at 0 m =EK at 5 m =Catching a wave, a 77-kg surfer starts with a speed of 1.1 m/s, drops through a height of 1.50m, and ends with a speed of 8.5 m/s.How much nonconservative work was done on the surfer?A man picks up a 50 kilogram block and carries it up a flight of stairs 10 meters high. He then carries the block back down the stairs and places the block in its original position. What is the NET work done on the block?