The graph represents the motion in the conservation of mechanical energy expirement. v (m/s) True False time (s)
Q: A 900 kg car cruises for a distance of 380 meters by applying a force of 2700N against 900N of…
A: Given data: Mass (m) = 900 kg Displacement (d) = 380 m Applied force (F) = 2700 N Frictional force…
Q: 4
A: Assume that the mass of each sphere is m2, the distance between the center of mass and the spheres…
Q: When the mechanical energy decreases , the work negative True or false
A: Mechanical energy E is the sum of Kinetic energy and Potential energy of an object E = KE +PE When…
Q: A 15.1-kg box is being pushed from the bottom to the top of a frictionless ramp. When the box is…
A: Write the given values with the suitable variables. m=15.1 kgW=58 Ju=0 m/sv=1.50 m/s Here, m, W, u,…
Q: ▼ Part A How much work must you do to push a 10.0 kg block of steel across a steel table (μ = 0.60)…
A: Mass of block m = 10 kg speed of block V = 1.0m/s time taken t = 3.40s uk = 0.60
Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 38.9 m/s as in the figure…
A: KEBottom-KEtop=PE0.5mvbottom2-0.5mvtop2=mghh=0.vbottom2-0.5vtop2g
Q: A spring with a force constant of 167 N/m is compressed 1.0 cm. The work done on the spring is ___.
A: Let us consider a force F applied on a spring system, such that F=-kx (negative sign indicates…
Q: Assuming no friction, calculate the speed at point 3. Express your answer to two significant figures…
A: Given:- The roller-coaster car shown in the figure as Find:- a) Calculate the speed at point 2…
Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.4 m/s as in the figure…
A: Initial speed u = 34.4 m/s Final speed v = 32.0 m/s Maximum height = h
Q: A package with a mass of 40.0 kg slides down a smooth ramp with negligible friction. The package…
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Q: A 30.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…
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Q: A car speeds up from 10.0 m/s to 30.0 m/s in 3.0s. What is it’s acceleration? Please show the work,…
A: Initial velocity is Final velocity is Time is Find:Acceleration of the vehicle.
Q: 30.0 m
A: Given:mass, m = 75 kg
Q: The loaded cab of an elevator has a mass of 4.00 x 103 kg and moves 197. m up the shaft in 27.0 s at…
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Q: A 20 ft long cable hangs from a pulley system located on the roof of a tall building. Set up an…
A: Given the length of the cable is 20 ft and the density of the cable is 1.5 lb/ft.
Q: What is the kinetic energy of a 65.0 kg sprinter running at 2.30 m/s? Express your answer in J.
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Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of…
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Q: Find the work done in the figure below. The magnitude of F= 50 N. The displacement is d= -3.0 m/ and…
A: To find the work done (W), you can use the formula:W=F⋅d⋅cos(θ)where:F = force vector,d…
Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees Distance,…
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Q: A horizontal force of 25.0 N pushes on a 4.00kg wooden block initially at rest on a wooden floor.…
A: SOlution: given that F = 25 N m = 4 kg v = 15 m/s
Q: In the figure, a 4.1 kg block slides along a track from one level to a higher level after passing…
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Q: Determine whether the following statement is true or false and the reason your choice is correct. A…
A: Consider the variable x, where x=the length of the cable that has been pulled uptotal length of the…
Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.6 m/s as in the figure…
A: Initial velocity (V°) = 34.6 m)/s Final velocity (Vf) =33 m/s
Q: If the unit of your answer is kg m/s, which of the following types of quantities could your answer…
A: Power = work/time = (F s)/t = (m a s )/t = (Kg * (m/s2)*m)/s = Kg m2/s3
Q: A 7.80-g bullet moving at 500 m/s penetrates a tree trunk to a depth of 5.60 cm. (a) Use work and…
A: Given, Mass of bullet m = 7.80 g = 7.80 x 10-3 Kg Initial velocity u = 500 m/s Distance d = 5.60 cm…
Q: Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable…
A:
Q: A force of 36.ON acclerates a 6.0kg block at 7.0m/s2 along a boriztonal surface. How large is the…
A:
Q: A runner with mass 140 kg run with speed 40 km/h on a wet road with a friction. Find the friction…
A: Given: Mass M = 140 kg Speed v = 40Km/h
Q: 1. Emma pushes a 45.0kg box across a level floor with an applied force of 155N [30° above…
A:
Q: A box with a mass of 7.0kg is lifted very slowly (with essentially zero acceleration), though a…
A: The height from where box falls is, h=1.5 m The initial velocity of the box at the top is, u=0 m/s
Q: A container is thrown vertically downwards, at the moment it is thrown it has a kinetic energy of…
A: According to conservation of total mechanical energy, the sum of kinetic energy and potential energy…
Q: Rewrite the unit of work (N∗m) in base units.
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Q: A 5.40-kg box rests on a horizontal surface. The coefficient of kinetic friction between the box and…
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Q: M m If M=3kg and m-10kg and the co-efficient of kinetic friction is 0.1, find the acceleration and…
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Q: done whe the point of application of the Force F is given a displacement d is A dxF B Fxd c |F]d|…
A: The definition of work in physics reveals its relationship to energy – whenever work is done, energy…
Q: Gravity does 343343 J of work while a bowling ball rolls down a hill. If the final kinetic energy of…
A:
Q: 3. A weightlifter lifts 100 kg up a distance of 1.5 m. 100 kg has a weight force of 1000 newtons.…
A: Given: The mass is lifted by a weightlifter 100 kg. The distance traveled by the weight is 1.5 m.
Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…
A: Write the given values with the suitable variables. m=35 kgh1=1.8 mh2=0.5 m Here, m is the mass, h1…
Q: 125% + @ Problem 11: The atwood machine shown is released from rest. Using the work-energy theorem,…
A: CONCEPT:
Q: A 55kg painter ascends a 12kg ladder. The painter begins to slip when she is 70% up the ladder. What…
A: Step 1:Step 2:Step 3:Step 4:
Q: m h a Determine the speed that mass m must have so that when it reaches the height of h, it has half…
A: Given speed that mass m must have so that when it reaches the height of ha , it has half its…
Q: A hoist is to raise a 11147.727 N mine cage at the rate of 4.57 m/s. Mechanical efficiency of the…
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Q: A force F = (cx – 3.00x? )î acts on a particle as the particle moves along an x axis, with F in…
A:
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