Consider a 1200 kg car cruising steadily on a level road at 90 kph. Now the car starts climbing a hill that is sloped 30 o from the horizontal. If the velocity of the car is to remain constant during climbing, determine the additional power that must be delivered by the engine.

Q: A 0.70-kg block initially at rest on a frictionless horizontal surface is acted upon by a force of…

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Q: The coefficient of friction is 0.30 under block B, and 0.25 under block S in the system…

A: Draw the free-body diagrams of blocks B. Apply force equilibrium.…

Q: If F-270 lb, determine the resultant couple moment. Enter a counter clockwise moment as a positive…

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Q: Determine the time required to stop a Car weighing 1000 kg, moving at a velocity of 120 km/hr,…

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Q: A body is moved from an origin to new position by a constant force F. If this movement is detailed…

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Q: 1. The water in a 6-m-diameter, 2-m-high above-ground swimming pool is to be emptied by unplugging a…

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Q: The elevator car, including passengers, has a mass of 1800 kg. Each floor of the building is…

A: Given information: The mass of the elevator (m) = 1800 kg The distance between each floor (d) = 4 m…

Q: A 60-kg person is carrying a 3-kg box walking (1) a ramp at a constant speed of 0.5 m/s. The ramp…

A: Given: To determine the work done by/to the box.

Q: L/2 L/2 k

A: For solution refer below images.

Q: If the car hits the brakes, how much frictional force will it experience? A wall is 50 m in front of…

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Q: 4. If the pressure of water at the inlet to a pipe of length 300m and diameter 0.2m is 10¹kN/m²,…

A: Calculated the maximum rate at which power can be transmitted at the outlet from the pipe.

Q: Two bicycle tires are set rolling with the same initial speed of 3.3 m/sm/s along a long, straight…

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Q: A body of mass 15 kg moving with velocity of 2 m/s is acted upon by a force of 75 N for two seconds.…

A: Given, Mass of the body = m = 15 kg Initial velocity = u = 2 m/s Force applied on body = F = 75 N…

Q: An automobile having a mass of 2 Mg travels up a 7° slope at a constant speed of 100 km/h. If…

A: Mass of vehicle m=2Mg = 2*106g = 2000kg Slope =7' Speed V=100kmph = 100*5/18 =27.77m/s Efficiency…

Q: A small fixed‐wing RC UAV with a mass of 3kg is equipped with a pack of Li─Po (Lithium Polymer)…

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Q: A mass of 0.20 slug in space is subjected to an external vertical force of 8lbf. If the local…

A: Given that: mass of the object is 0.20 slug Local acceleration due to gravity is 30.5 ft/s2 Vertical…

Q: 5) When is the tangential force greater than the normal force? A) Only at the very beginning B) in…

A: triangle forces are acting in three ways for example   a man takes the dog for walking but he wants…

Q: The electrical powerplant draws water in an elevation about 100 m and discharge water below. The…

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Q: A spring is attached to the back of the frictionless piston. Initially, the spring exerts no force…

A: 8

Q: A ski lift has a one-way length of 1 km and a vertical rise of 200 m. The chairs are spaced 20 m…

A: Given:The one way length of sky lift is .The vertical rise is .The chair is spaced .The operating…

Q: A loaded truck weighs 16(10^3)lb and accelerates uniformly on a level road from 15 ft/s to 30 ft/s…

A: Given Data The weight of the truck is: W=16×103 lb The velocity is: 15 ft/s The final velocity is:…

Q: Can a body have energy without having momentum? Explain can a body have momentum without having…

A: Given:-            Having certain mass and hold it on above ground then it will have a gravitational…

Q: A centrifugal friction clutch has a driving member consisting of a spider carrying four shoes which…

A: Introduction In this problem, we will compute the mass of each shoe by first computing the…

Q: 2. A fluid undergoes a frictionless process in a closed system from V₁ = 5ft' to V2 = 2 ft³ in…

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Q: A motor pulls a 1000 kg object up a hill with a 10 degree incline. It starts initially at rest and…

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Q: Q4. The 9-kg ball is connected to a spring with spring constant k = 100 N/m and unstretched length…

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Q: The car shown in the figure weighs 2000 kg and is moving upwards on a plane with a slope of 7…

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Q: la the dorm belo, 14 kg block is on a horizontal frictionless surface. A 13 N force (F₂) is pushing…

A: According to the given data F1=13N m=14kg mg=14x9.81=137.34N k=3500N/m x=0.74m We need to find…

Q: The spring-mounted slider with mass m=100g moves in the horizontal guide with dry friction. The…

A: Step 1: Step 2:

Q: A water turbine is used to generate electricity across a dam. The mass flowrate of water at the…

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.