A small 25g toy rocket is launched straight up from the ground at 144 km/h (a) What is the  kinetic energy of the toy rocket? (b) Find the work done by gravity after it has risen 220 m. (i) (a). The kinetic energy of the toy rocket is = (b). The work done by gravity after it has risen 220 m is =

Q: 1) A steel ball of mass 5.2 g is fired vertically DOWNWARD from a height hof 18 m with an initial…

A: Given   mass of steel ball = 5.2 g initial speed = vo = 14 m/s    (downward direction) height = 18…

Q: A motor car of mass 800 kg is dlimbing up an incline of 8= 10 to the horizontal. 50 m FIG. 5 1)…

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Q: 1) A 5 kg package slides 2.8 m downward from an inclined-plane that makes an angle of 24° with the…

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Q: When the kinetic energy of a body changes with time, what does this change represent? (A)The work…

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Q: 1B. A crate of mass 10.0 kg is pulled up a rough 20o- incline. The pulling force is 100 N parallel…

A: mass of crate (m) = 10 kg θ = 20oPulling force = 100 N coefficient of kinetic friction = 0.4distance…

Q: 1. A particle moves along the x-axis from x = 0 to x = 5m under the influence of a force given by…

A: Given value--- force F = 7-2x+3x2 . particle move from x = 0 to x= 5 . We have to find--- work…

Q: As shown in the figure below, a box of mass m = 57.0 kg (initially at rest) is pushed a distance d =…

A: (a) Work done by the applied force is WA=FAdcosθ=216 N98.0 mcos30°=18330 J (b) Work done by the…

Q: How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and…

A: Applying conservation of energy , we can write that .Total energy is sum of Kinetic and potential…

Q: A non-constant force on a particle of mass m is given by F = F,| -+1 where Fo and xo are constants.…

A:

Q: A crate of mass 10.0 kg is pulled up a rough 20°- incline. The pulling force is 100 N parallel to…

A: Given:mass of crate, m = 10 kgpulled up through 20° inclinationpulling force = 100 N ( parallel to…

Q: 4. A luggage handler pulls a 15 kg suitcase up a ramp inclined at an angle 30⁰ above the horizontal…

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

Q: Suppose a car travels 108 km at a speed of 40.0 m/s, and uses 2.00 gallons of gasoline. Only 30% of…

A:

Q: A single conservative force acts on a 4.90-kg particle within a system due to its interaction with…

A: Given data, Mass of the particle = 4.90 kg Force, Fx=2x+4 Also, x = 0.92 m to x = 6.45 m

Q: A 5.0 kg rock is allowed to fall freely from a height of 10 meters. 2. (a) Is the work done on the…

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Q: Derive the work-energy theorem, considering the conservative forces? b) A particle in the x-y plane…

A: For conservative forces , work done along any path is equal.

Q: 2) A spring with spring constant k = 200 N/m is used as a launcher for a small block whose mass is…

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Q: A rope is used to pull a 3.5 kg block at constant speed 6 m along a horizontal floor. The force on…

A: Given The mass of the block is m=3.5 kg. The distance covered by the block is d=6 m. The force…

Q: A crate of mass 15 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling…

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Q: 4)A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3300 m peak. What is the…

A: To find the change in potential energy

Q: While an airplane is in flight, the pilot announces that an emergency landing has to occur.  In…

A: Given quantities: mass of the passenger (m) = 82 kg height through which it descends (H) = 391 m…

Q: 1. A man is pulling a suitcase of mass 20 kg along a rough horizontal floor at constant velocity.…

A: The suitcase of mass 20 kg is being pulled by the man across the rough horizontal surface. The force…

Q: A 12 kg block starts from rest and is pushed 20 meters up the sloping surface of a plane (37 degree…

A: Given:-  mass of the block m= 12 kg  it pushed d=20 meters up the sloping surface of a plane…

Q: A 4.00 kg block is set into motion up a rough inclined plane with an initial speed of v, = 8.60 m/s.…

A: Given m=4.00kg, d=5.00m, θ=20.0⁰ vi=8.60m/s

Q: A small 65g toy rocket is launched straight up from the ground at 120 km/h (a) What is the kinetic…

A: Given The mass of the rocket is m=65 g=65×10-3 kg. The initial velocity of the rocket is v=120…

Q: A 0.50-kg book slides on a horizontal table top. The kinetic friction force on the book has a…

A: The work done by the kinetic friction force is, W=Fscosθ   The mass of the book, m=0.50 kg   The…

Q: A force ~F=(6x5 N)i + (2y N)j acts between (x1,y1)= (2m, 3 m) to (x2; y2)=(3 m, 0 m).Calculate the…

A: Given :          F =( 6x⁵ i + 2y j .)N          x1= 2m  , x2 = 3m          y1= 3m   ,y2= 0m  We know…

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 200-incline. The pulling force is 100 N parallel to…

A: In this question we have to find the work done and energy for the given situation. Please give…

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: A force acting on a particle moving in the x- y plane is given by F = (2yi + x2j)N, where x and y %D…

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Q: A 56.5-kg hiker starts at an elevation of 1270 m and climbs to the top of a 2660-m peak,  (a) What…

A: Given data, Mass m=56.5 kg Height h1=1270 m Height h2=2660 m

Q: When a 0.0310-kg golf ball takes off after being hit, its speed is 44.4 m/s. (a) How much work is…

A: