A 40 kg roller coaster car starts from rest at location A. assuming negligible energy losses to friction and air resistance. A. Determine the PE, KE and the height of the car at the various locations (A, B and C) along the track.

Q: A 2400-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 5.00 m…

A: Given data *The mass of the pile driver is m = 2400 kg *The height that the pile driver falls before…

Q: 5. A 55-kg block, starting from rest, is pushed a distance of 5.0 m across a floor by a…

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Q: A cat's crinkle ball toy of mass 31 g is thrown straight up with an initial speed of 7 m/s. Assume…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A 1.50 kg snowball is shot upward at an angle of 34.0 to the horizontal with an initial speed of…

A: Given: Mass , m = 1.5 kg Angle with the horizontal θ = 34°  Initial speed, u = 20 m/s

Q: The observation deck of the CN Tower is approximately 345 m above ground level. Neglecting…

A: Given that-   Height of the observation deck is h=345 m Mass of the lead ball is m=10 kg To…

Q: E = E, mgy, + 글my'= mgy, + 글m, Simplify this conservation equation, considering the object's lowest…

A: Notice that in the question, there are two types of energy involved: potential energy and kinetic…

Q: (a) Choosing the bottom of the slide as the reference configuration, what is the system's potential…

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Q: A ball is dropped from 13.6 ft above the ground. Assume that air-drag is negligible in this case.…

A: GivenHeight h = 13.6 ftKnownAcceleration due to gravity g = 32.2 ft/s2

Q: 2. A student holds her psychology book, which has a mass of 1.5 kg, out of a second-story dormitory…

A: Work(W)=Fdcosθ F is force, d is displacement, θ is angle between force and displacement when student…

Q: 1. a) What is the Potential Energy of a 30kg mass at the edge of a roof 110 m above the ground? The…

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Q: A 48 g particle is moving to the left at 12 m/s. How much net work must be done on the particle to…

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Q: At the local ski slope, an 65.0-kg skier rides a gondola to the top of the mountain. Part A If the…

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Q: A 2900kg roller coaster has an i tail velocity of 0m/s at point A on this frictionless track. A.)…

A: A roller coater,  Initial velocity, u = 0 m/s Mass of roller coaster, m = 2900 kg

Q: n 3 A 440g stone is raised to a height of 16m. the gravitational potential energy (in Joule) of the…

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Q: An escalator carries you from one level to the next in an airport terminal. The upper level is 4.7 m…

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Q: (Figure 1) is the potential-energy diagram for a 500 g particle that is released from rest at A.…

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Q: 2. a) A ball has an initial speed external forces act on the ball. After these forces act, the speed…

A: Values given in the question are as follow; Initial speed of ball, v0=4ms first halving of speed,…

Q: KE-1 a) A 1,500kg car is traveling at 30.0m/s. How many joules of kinetic energy does the car have?…

A: kinetic energy of object is given as   K.e = 1/2 mv2 here m = mass of object  v = velocity of…

Q: 1. A 58.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of…

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Q: A 30 kg bear slides, from rest, 8.5 m down a lodgepole pine tree, moving with a speed of 6.0 m/s…

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Q: A roller-coaster at its highest point is 100m high. The car rests at this point, and has a mass of…

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Q: A 1000kg elevator, initially at rest, suffers a catastrophic mechanical failure and free falls 20m…

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Q: A pump discharges 500 liters of fuel oil into a tank 20 m above the pump’s intake in 10minutes. a.…

A: Given: Height, h=20 m Time, t=10 min=10×60 s=600 s Mass: m=500×0.89×1000    =445000 g    =445 kg a)…

Q: A 1900-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 6.00 m…

A: Given: mdriver=1900kgyi,driver=6.09myf,driver=0mvf,driver=vi,driver=0m/sThe distance travelled by…

Q: 1. A trophy of 2 kg being shown off by an athlete slips from the athletes hands 1.4 m above the…

A:

Q: 3. What is the potential energy formula?          a. What is the unit of measurements that each has…

A: potential energy [P.E  or U] PE = mgh where, a. PE is the potential energy of the object in…

Q: (a) Find the work done by a crane which raises a load of 250 kg through a distance of 5.6 m. (b)…

A: (a) Given- Mass m= 250 kg Distance d= 5.6 m The work done by a crane W=F.d =mgd =250×9.8×5.6=13720 J

Q: . What type of energy does he have at the top of the hill? b. What is his potential energy?  c.…

A: The basic concepts used to solve this question are   The kinetic energy of an object is the energy…

Q: A slingshot will shoot a 10.0-g pebble 22.0 m straight up. (a) How much potential energy is stored…

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Q: (II) A 66.5-kg hiker starts at an elevation of 1270 m andclimbs to the top of a peak 2660 m high.…

A: a) Change in potential energy is given by,…

Q: A 70.5-kg hiker starts at an elevation of 1260 m and climbs to the top of a peak 2800 m high.…

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Q: 42.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 136…

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Q: You take a 13kg bag of lead pellets and drop it from 2m above the ground. a. How much gravitational…

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Q: A 2 kg block slides on a frictionless surface at 10 m/s. How much kinetic energy does it have?

A: Mass of block, m= 2 KgSurface is frictionless.Velocity,v=10 m/s

Q: A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume…

A: Hey, there are multiple subparts posted, we are authorized to answer three subparts at a time, since…

Q: $3. A cyclist starts from rest and coasts down a 4.0° hill. The mass of the cyclist plus bicycle is…

A: Given: θ=4om = 85 kgd =180 m

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Solution: Given that mass m = 28 g speed v = 5 m/s

Q: ) You went to a construction site and noticed that a 50 kg bag of cement was lifted 2.0 m above the…

A: Given  Mass of bag m=50kg height h=2m time t=10sec

Q: 5. A bullet with a mass of 0.01 g is fired from a rifle with a barrel that is 0.85 m long. a. Do an…

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Q: How much energy is gained by a box of mass 20 kg when a man (a) carrying the box waits for 5 minutes…

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Q: A ball is dropped from 13.6 ft above the ground. Assume that air-drag is negligible in this case.…

A: (A) At the top the ball will have completely PE, as the ball descends the PE of the ball decreases…

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.