A roller coaster starts with a speed of 10.0 m/s at a point 45 m above the bottom of a dip. Neglect friction, what will be the speed of the roller coaster at the top of the next slope, which is 30 m above the bottom of the dip?   Group of answer choices: 20 m/s 12 m/s 18 m/s 16 m/s

Q: A rollercoaster cart of mass 400kg is moving at the top of the first hill (25m high) at a speed of…

A: Mass, m = 400 kg Height of the first hill, h1 = 25 m Speed at first hill, v1 = 3.3 m/s Height of the…

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: The total mechanical energy of a body is the sum of the total kinetic energy and the total potential…

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A: Energy = Power * time P=power = 4 W time=t=5 s   Energy=E= 4*5=20   mass=m=2.0 kg

Q: A rollercoaster cart of mass 400kg is moving at the top of the first hill (25m high) at a speed of…

A: Given data:  Mass (m) = 400 kg Initial height (hi) = 25 m Initial velocity (vi) = 3.3 m/s Final…

Q: "A 2.0 g bead slides along a frictionless wire, shaped like a roller coaster track. At point A (100…

A:

Q: 9) A small object of mass m slides along the frictionless track in the figure, staring from rest at…

A: object moves through a frictionless curve so there is no loss of energy and hence total energy is…

Q: Examine the roller coaster track as the riders move along the track from point A to point E. Mass…

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Q: In the figure, a spring with spring constant k = 180 N/m is at the top of a frictionless incline of…

A: Given,  spring constant k=180 N/m D=0.92m d=0.22m By the conservation of energy  E=KE+PE Ei=Ef

Q: to questions 74 through 76 on the information and diagram below. and slides along a frictionless…

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Q: A crane lifts a 300 kg load at a constant speed at a vertical distance of 3.0 m in 10 s. Calculate…

A: solution as

Q: A 1000 kg roller coaster car stays at point A of height H=50.0m and slides down the smooth track and…

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Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

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Q: A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational…

A: At the top of the hill, the energy stored in the kid is potential energy since kinetic energy is…

Q: A small object of mass m slides along the frictionless track in the figure, staring from rest at…

A:

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: Mass of the roller coaster is m = 80 kg Speed at point A is 20 m/s .

Q: A 12.0 m В 4.0 m 2.0 m A rollercoaster of mass 4500kg starts from rest at point A. Calculate its…

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Q: a.Ladders must be positioned at a safe angle to avoid potential fall hazards when climbing. An ideal…

A: When a ladder is leaned against a wall, the bottom of the ladder should be one fourth of the…

Q: roller coaster starts with a speed of 5.0 m/s at a point 45 m above the bottom of a dip. Neglect…

A: Answer :-  At top of first hill:PE = mgh = mg(45) = 45mgKE = 0.5mv2 = 0.5(m) (5)2.…

Q: A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 2.00 m above the…

A: mass=m=0.7 kg initial height= h=2 m final height=h'=3.1 m initial speed=v=7.8 m/s final speed=v'=3.4…

Q: 江 A 15.0 m В 5.0 m 3.0 m A rollercoaster of mass 3500kg starts from rest at point A. Calculate its…

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Q: Superman wanted to launch a small rocket using a spring mounted vertically on the ground. He placed…

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Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h = 0.650 m.…

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Q: 4. A 12 N object is attached vertically by a string to a frictionless car that runs along a level…

A: Given: The weight of the object is 12 N.The mass of the truck is m.The initial speed of the truck is…

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: The kinetic energy of an object is calculated by using the formula Ek=12mv2 , where m=80 kg  is the…

Q: While training for a dog show, a 3.8 kg dog does 32 pushups in a minute, displacing its center of…

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Q: A 98 kg bicyclist traveling 15 m/s coasts up a 5 m high incline. After reaching the top of the…

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Q: The figure shows a cord attached to a cart that can slide along a frictionless horizontal rail…

A: Change in kinetic energy = ?

Q: A rollercoaster of mass 4500kg starts from rest at point A. Calculate its potential energies at…

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Q: A single conservative force acts on a 5.10-kg particle within a system due to its interaction with…

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Q: Which statement best explains why running on a track with constant speed at 3 m/s is not work, but…

A: The capacity to do work is called energy.  The kinetic energy is possessed by the virtue of motion…

Q: A 0.25kg pebble slides from the top of a hemisphere whose radius is 1.2m. If the work done by…

A: Given: The mass of the pebble is 0.25 kg. The radius of the hemisphere is 1.2 m. The work done by…

Q: The Kingda Ka is a giant among roller coasters. Located in Jackson Township, New Jersey, the ride…

A: Solution: Given that  Given that h = 127 m vi =  m/s vf = ? acceleration g = 9.81 m/s2

Q: The potential energy U of 1.7 kg object as a function of distance x from its equilibrium position is…

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Q: • A ball of mass m = 0.75 kg is thrown straight upward with aninitial speed of 8.9 m>s. (a) Plot…

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Q: At Schlitterbahn, a 75.0 kg person rides a 12.0 m high water slide. If dissipative forces do -6.25 x…

A: Given m=75kg h=12m Ed=-6.25*10^3J To find the velocity at the bottom of the slide :

Q: A 2.25 kg block is placed at position A on the 4.10 m track. path CD of the track are frictionless,…

A: Given:- The block of the mass = 2.25 kg is at the rest position on A   Length of track AB is LAB =…

Q: An object of mass 4.34 kg starts at the top of a hill of height 2 m. When it rolls down to the…

A: The solution is given below

Q: A particle can move along only an x axis, where conservative forces act on it (see the figure and…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: A ball of mass M = 2 Kg is fired (lLl) from the ground with initial velocity of 20 m/s that makes an…

A: Given:  Mass (m) = 2 kg Initial velocity (V0) = 20 m/s Angle (θ) = 30° with the horizontal Air…

Q: A block of mass m = 5kg is released from rest at point A and slides on the frictionless track shown…

A: Ans. (d) 7.7 m/s

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A: Mass of engine = 2 kg  Power output = 4 W  Time = 5 seconds

Q: This graph shows different types of energy for a roller coaster car that starts at the top of a…

A: We know mechanical energy is sum of potential energy and kinetic energy, E = mgh+12mv2 Kinetic…

Q: During flood, a tree trunk with a mass of 150 kg falls down a waterfall that is 8 m high. If air…

A: Mass of the tree trunk is m=150 kg Height of the waterfall is h=8 m Acceleration due to gravity is…

Q: In the figure, a spring with spring constant k = 180 N/m is at the top of a frictionless incline of…

A:

Q: Which of the following explains why a bicycle increases its speed down a hill even without peddling…

A: Total energy of any object remain constant. This is law of conservation of energy. It can change its…

Q: 6m/s d=10m 2m/s 37 A 1000kg car moves up an incline with initial speed 2m/s, it reach the top of the…

A:

Q: This graph shows different types of energy for a roller coaster car that starts at the top of a…

A: According to the graph, Potential energy of car is maximum at the top of larger hill. While…

Q: The figure shows a cord attached to a cart that can slide along a frictionless horizontal rail…

A: Given that :Height of the cord(h)  h=1.2 msides of cord- x1=4.0 m x2=2.0 m Tension in the cord is a…

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: Hi, you have submitted multiple subpart questions and it is not specified which parts you need help…

Q: A 12.0 m 4.0 m 2.0 m A rollercoaster of mass 4500kg starts from rest at point A. Calculate its…

A: Given, Height (h1)= 12 m, (h2)=2m, (h3)= 4m Mass of Rollercoaster = 4500 kg