m as it arises. Ex
Q: A child is standing on top of a 15ft hill, getting ready to run down all the way to the bottom. If…
A: Introduction: The energy of a body is stored in the form of potential energy due to the height…
Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…
A: Given M = 287 kg Coefficient of kinetic friction, u = 0.253 Force P makes angle 17.1 ° What is…
Q: Provide an example of a situation that would help explain the concept of "zero work", in regards to…
A: In physics the work may be defined as the dot product of force and displacement. By dot product of…
Q: Calculate the work done by a student in lifting a 0.3 kg book from the ground and keeping it on a…
A:
Q: Cite an example in which a simple machine makes your work easier and faster.
A: In this question we have to give an example of a simple machine. Please give positive feedback if…
Q: A machine has an efficiency of 25%. Energy is fed into the machine at the rate of 1kw. What is the…
A:
Q: You may have noticed runaway truck lanes while driving in the mountains. These gravel-filled lanes…
A: Given information: The length of the lane, d=33.0 m The initial speed of the truck, u=60.0 mph=26.8…
Q: State the Work-Energy theorem/equation (words and equations).
A:
Q: the basics of work and energy.
A: Work is the product of the displacement of the body with the force acting on it in the direction of…
Q: Discuss why work & energy have the same unit.
A: Work and Energy have the same unit because they are intimately related by the Work-Energy Theorem.…
Q: A car of mass 1500 kg is initially travelling at a speed of 12 m/s. The driver then accelerates to a…
A: Mass of the car, Initial speed of the car, Final speed of the car, Distance traveled,
Q: Give a definition of the positive work.
A:
Q: Flapping flight is very energy intensive. A wind tunnel test on an 89 g starling showed that the…
A:
Q: Suppose you want to determine the electric field in a certain region of space. You have a small…
A:
Q: weight lifter hold 900N over his head. Is he doing work on weight? EXPLAIN.
A: The work done by the weight lifter can be given as, W=F.d Here, F denotes the force on the object is…
Q: (a) Which component of the horizontal axis wind turbine can be considered as the brain of the…
A: (a) The brain of a wind turbine is called the nacelle. A nacelle is a housing that contains all of…
Q: Macmill A truck enters a typical runaway lane with a speed of 56.5 mph (25.3 m/s). Use the…
A:
Q: Catching a wave, a 74.6-kg surfer starts with a speed of 1.18 m/s, drops through a height of 1.80 m,…
A: The initial energy of the surfer is
Q: A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force. Let…
A:
Q: If work is a scalar quantity, how would explain the negative work done
A: Work is a scalar quantity because it is the dot product of two vectors (Force and displacement),…
Q: The masses of the earth and moon are 5.98 x 1024 and 7.35 x 1022 kg, respectively. Identical amounts…
A:
Q: Why does the force of gravity do work on a car that rolls down a hill but no work when the same car…
A: We know the expression for work is W= F.scosθ The force of gravity do work on a car that rolls…
Q: A car of mass 1500 kg is initially travelling at a speed of 10 m/s. The driver then accelerates to a…
A: At intial Velocity of the car = 10m/s Mass of the car =1500 kg At final Velocity of the car =25…
Q: A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for…
A: Given that-Mass of the sled, m= 70 kgLength of the plane, L= 80 mAngle of inclination of the plane…
Q: A car of mass, m, is travelling around a curved section of road that is a 1/4 of a circle with a…
A:
1) (a) Discuss any two concerns of contingent workers in an organization.
(b) which control system helps to solve the problem as it arises. Explain with examples.
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