A large roller in the form of a uniform cylinder is pulled by a tractor to compact earth; it has a 180-cm diameter and weighs 10 kN. If frictional losses can be ignored, what average horsepower must the tractor provide to accelerate it from rest to a speed of           14.4 kph in a horizontal distance of 3 m?

Q: A 4.4-kg block is pushed 3.5 m up a vertical wall with constant speed by a constant force of…

A: Given information:Mass of the block (m) = 4.4 kgCoefficient of friction between the block and the…

Q: A 7.80-g bullet moving at 690 m/s penetrates a tree trunk to a depth of 6.20 cm. (a) Use work and…

A: Mass of bullet (mb)=7.8 g Initial speed of the bullet (u)=690 m/s Penetration in trunk (d)=6.2 cm

Q: A 32.5 kg box initially at rest is pushed 4.75 m along a rough, horizontal floor with a constant…

A: Solution:-Given thatmass of box(m)=32.5 kgdisplacement (s)=4.75 mConstant applied force (F)=145…

Q: A 75.0 kg pole-vaulter running at 12.0 m/s vaults over the bar. His speed when he is above the bar…

A: Given data The mass is m=75.0 kg The initial velocity is u=12.0 m/s The final velocity is v=5.0 m/s…

Q: 6. A police car o: receive an em increase in spe initial speed o of 3.0 seconds answer in both…

A: Given data m=2400 kgv2=33 m/sW=3.1×105 J Here, m is the mass of the car and W is the work done. Now…

Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…

A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…

Q: At a construction site, there is a pile of sand in the shape of a cone. The cone has a height of 5 m…

A: Height of the cone Base radius of the cone Density of the sand Gravitational Acceleration

Q: In the figure, a 2.12 g ice flake is released from the edge of a hemispherical bowl whose radius r…

A: mass of ice flake = 2.12 gradius (r) = 16.2 cm = 0.162 m surface type = frictionless

Q: A crate of mass 9.8 kg is pulled up a rough incline with an initial speed of 1.54 m/s. The pulling…

A:

Q: In the figure, a 2.51 g ice flake is released from the edge of a hemispherical bowl whose radius r…

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

Q: At an orange juice plant, orange juice pulp with a density of 1.25 g/ml passes through a pumping…

A: Output mechanical power

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A:

Q: A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 100…

A:

Q: A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.44 m/s. The pulling…

A:

Q: A 7.80-g bullet moving at 660 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A:

Q: 1. A pillbox hat is filled with toothpaste until it has a mass of 9.2 kg. An inquisitive engineering…

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Q: Don't use Artificial intelligence tools. Only Handwritten solutions are allowed. Mechanical…

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Q: . An alien spacecraft wishes to visit Earth, but in order to do so it must first escape its hom…

A: The velocity of an object refers to its rate of change of position as a vector quantity. escape…

Q: In a city in England with a temperature of 18 ° C, it is desired to install a wind farm with 10 wind…

A: Power output from a turbine is given by the expression, P=12ρAV3P=12ρπr2V3P=12ρπr2V3r=2PρπV3

Q: (a) Calculate the work done (in J) on a 1200 kg elevator car by its cable to lift it 38.0 m at…

A:

Q: A 47.7-g golf ball is driven from the tee with an initial speed of 51.5 m/s and rises to a height of…

A:

Q: A 35.5 kg box initially at rest is pushed 5.75 m along a rough, horizontal floor with a constant…

A: Given: Mass of the box, m = 35.5 kg Distance pushed by force, k = 5.75 m Horizontal force, = 130 N…

Q: wes the hos wer is requir

A: Given: Height is 32 m Diameter is 4 cm Mass is 1000 Kg

Q: The human brain consumes about 22 W of power under normal conditions, though more power may be…

A:

Q: A 36.0 kg box initially at rest is pushed 5.45 m along a rough, horizontal floor with a constant…

A: Given values: Mass, m=36.0 kg Applied force, F=150 N Coefficient of friction, μ=0.300 Distance,…

Q: ter leaves the h

A: Given: Height is 31 m Diameter is 4 cm Mass is 1000 kg

Q: Amount of energy required to blow a bubble of radius 5 cm, (surface tension of soap is 30 x 10-2…

A: We need to compute-Energy needed (E)=?The data given as-Radius (r)=5 cm=5×10-2 mSurface tension…

Q: . When the load on a wire is increased slowly from 1 kg wt to 2 kg wt the elongation increases from…

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Q: A 7.80-g bullet moving at 460 m/s penetrates a tree trunk to a depth of 4.90 cm. (a) Use work and…

A:

Q: A 7.80-g bullet moving at 690 m/s penetrates a tree trunk to a depth of 5.10 cm. (a) Use work and…

A: Given : Mass of a bullet (m) = 7.80 g = 0.0078 kg Initial speed (vi) = 690 m/s Final speed (vf) = 0…

Q: A 7.80-g bullet moving at 600 m/s penetrates a tree trunk to a depth of 4.80 cm. (a) Use work and…

A:

Q: A crane at a construction site lifts a concrete block with a mass of m = 482 kg from the ground to…

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Q: A tank has the shape of an inverted right circular cone with height 9m and radius 18m. It is filled…

A: A tank is shaped like an inverted right circular cone with a height of 9m and a radius of 18m. If…