A roller coaster rises 140ft, drops 90.25ft, rises 100 3/4ft, and drops 200 1/2ft. Describe the final height of the roller coaster.

Q: A student is skateboarding down a ramp that is 6.14 m long and inclined at 24.5° with respect to the…

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Q: 14) How much effort must be used to raise the 300lbs weight in the figure below. 300 lbs.

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Q: A worker uses a pulley system to raise a 225 N carton 16.5 m. A force of 129 N is exerted and the…

A: weight of carton = 225 N height raised for the carton = 16.5 m force exerted = 129 N distance by…

Q: What is Force, P, is needed to get the box just moving up the incline? WA=250 N WB-500 N The…

A: Given, WA=250N WB=500N µ=0.3

Q: How much power is required to drive a 1200kg car up a slope of 10 degrees at 88 km/h? Write your…

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Q: Suppose you use an ideal pulley of the type shown in the figure below and find it necessary to exert…

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Q: How much power (in watts) is required for a freight elevator to lift 2100 lb (about 12 people) at a…

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Q: A uniform chain 24 m long and with mass 26 kg is hanging from the top of a building 24 m high. If a…

A: Given data: Mass of the chain (mc) = 24 kg Mass of the chain (mb) = 55 kg Height of the building or…

Q: A pile driver lifts a 267 kg weight and then lets it fall onto the end of a steel pipe that needs to…

A: Given: weight, W = 267 kg  depth at which pipe is drove, d = 33.4 cm = 0.334 m  height of weight…

Q: Find the scalar product of the vectors in the figure below, where 0 119° and F = 33.5 N. %3D 132°…

A: F = 33.5 N  d = 17.3 cm= 0.173 m  Angle between both the vectors = 19 degree

Q: ball is thrown horizontally off of a building with initial speed vo. Describe the graph of kinetic…

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Q: As a rock slides from A to B along the inside of this frictionless hemispherical bowl, mechanical…

A: When the rock slides on the bowl, there is a normal force due to the surface that is normal to the…

Q: In the figure. The force F is: m = 60.0 kg CG 0.90 m Fp 1.50 m W

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Q: A lever has the following dimensions: Resistive force distance: 15 cm Effort force distance: 85 cm…

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Q: A 1000 kg roller coaster in an amusement park left the 65-m high launching platform to reach ground…

A: Solution: To solve this problem, we need to consider the energy conservation and the forces acting…

Q: Calculate what is ask then provide a solution 1.how much gravitational potential energy does a 79…

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: Give example of something we think of as work in everyday circumstances that is not work in the…

A: Scientifically work is defining as a product of force and the displacement in direction of force…

Q: State whether the potential energy of the underlined object increases or decreases as a result of…

A: State whether the potential energy of the underlined object increases or decreases as a result of…

Q: A 30.0 kg child slides down a 6.50 m high slide. What maximum speed will the child reach?

A: Given Data: Mass of the person (m) = 30.0 kg.Height of the slide (h) = 6.50 m. To Determine: The…

Q: A Makeshift Elevator While exploring an elaborate tunnel system, you and your team get lost and find…

A: given data   bucket weight = 150 lb   450 m vertical shaft   3.4 hp

Q: 7. A small block of mass m starts from rest and slides along a frictionless loop-the-loop as shown…

A: The position of the small block is shown below.

Q: A student is being push on a swing. What is the maximum height, hf, that the student of weight, W…

A: The maximum height that the student can reach on the swing will depend on the initial height, hi,…

Q: What is the ideal mechanical advantage of a ramp that is 4.3 m tall and 27 m long? A 1.5 6.3 22.7…

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Q: 1000-kg roller coaster has to drop along its track as shown. Neglect friction and air resistance.…

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Q: A 5.2 kg ball is rolling at a speed of 6.3 m/s when it encounters a ramp. How high can it roll up…

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Q: In a dam, water is flowing at the rate of 1400 kg/s and falls 40 m. The power is generated by the…

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Q: Jake bungee jumps from a hot air balloon  55 m above the ground. She knows that 5.0 m of bungee cord…

A: Write the given data. H=55 mLchord=5 mxchord=1.5 m

Q: 9. A student is skateboarding down a ramp that is 6.0 m long and inclined at 18° with respect to the…

A: Let the acceleration of the skateboarder along the incline be a.

Q: Suppose the 480 lbs pile driver that drops 20 ft drives the pile 2.0 in. every time it strikes the…

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Q: m 100 kg 1.0 m

A: The given data are: M=100 kgh=1 mt=0.9 s Here, M denotes the heavier mass, h denotes the height, and…

Q: Consider the figure below: 300 J 6 m 3 m Calculate the required motor power (in horsepower) to lift…

A: Given: The work done required is 300 J. The time interval is 15 s.