1. A mass of 500 kg sits on a level surface where the coefficient of static friction is 0.5. What is the minimum force applied at 60° up from the horizontal needed to start the mass moving?

Q: Help PLESE show all the work

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Q: 1. Find the work done in the figure below. The magnitude of F = 48 N. The displacement is d= -3 mi…

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Q: Pancho uses his hand to push a block up a ramp, see figure. Match the letters with the type of work…

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Q: What is the strength of the magnetic field at point P in the figure? (Figure 1) Assume that I = 4.6…

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Q: Part 1 of 2 (a) Find the amount of work done in lifting a 40- lb weight upward 3 ft. The amount of…

A: A a) Work done W=mgh Given m=40 lb Height h=3ft g=9.8m/s2 W=40*3*9.8 W=1176 ft.lb

Q: 2. Consider the concepts related to springs. Choose one of the following to answer: i. Compare and…

A: Restoring force is equal to applied force but opposite in nature. When an applied force compress a…

Q: A line of the Lyman series(nf=1) of the spectrum of hydrogen has a wavelength of 95nm. What was the…

A: Wavelength of spectrum λ = 95 nm lower state nf= 1 we have to find out upper state ni

Q: A block slides 3.57 meters down a frictionless ramp, inclined at 22.5°. It then slides 1.56 meters…

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Q: A 26.0 kg crate is initially moving with a velocity that has magnitude 3.90 m/s in a direction 37.0"…

A: Work is same as the energy. The work done on crate to change its velocity to  6.30m/sec in a…

Q: A roller coaster starts from a height of 100.0 m and runs down a slope, then through a loop. If it…

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Q: Work can only transfer energy into a system. Group of answer choices True False

A: Given statement : "work can only transfer energy into a system" To choose : true or false

Q: X2 The work done in stretching a spring is given by W : kx.dx , where k is the spring constant, in…

A: Given:Spring force constant, k = 5 kN/mLength of spring, l = 500 mmExtension, x1 = 600 mmExtension,…

Q: A 20 pound force is applied at an angle to the side of a box causing it to slide across a floor. The…

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Q: You joined a “dogsled” race during your winter break. To start, you pulled the sled (total mass of…

A: Mass ,m= 85 kg Total force,F=195 N Angle of force, θ= 45⁰ Distance traveled, s=7 m

Q: Find the displacement Work done=1200 J Force=20 N

A: Given data : Work done=W Force=F   Required : Displacement

Q: 1. A 95 g bullet travelling at 101 m/s hits a stationary 800 g wooden block sitting on a…

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Q: Please define work and state the work-energy theorem.

A: Question: Define work. State the work-energy theorem.

Q: What are three different units used for work?

A: work done in physics is defined as the dot product of force applied to an object and displacement of…

Q: A block of weight to 40.0 N sits on a frictionless inclined plane, which makes an angle 8-34,0" with…

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Q: 24. Work Find the work done when F = 300i + 400j is applied to an object that moves along the vector…

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Q: Practice 1. How much kinetic energy does a 1250-kg car have if it's moving at 36 m/s? 2. A 0.5-kg…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!