The diagram above shows a force acting at an angle on the end of a bar. The force has a magnitude of 11.5N and the bar is 1.2m long. What is the magnitude of the t

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Q: The news station I listen to is called “WTOP 103.5.” This means that they broadcast radio wave at a…

A: Frequency, f = 103.5 MHz = 103.5×106 HzSpeed of light, c = 3×108 m/sWavelength, λ = ?

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A: m1 = 1,100 kgm2 = 1,800 kg Let m1 is moving in -ve direction and m2 is moving in +ve…

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Q: Could you rewrite this better with equations you need to use to get this answer.

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Q: The force applied on a body to lift it up 0.053 kg.m/s², convert this value of Force into…

A: Given, force =0.053 kg-m/s2We know,1 kg = 2.20462 lb1 m = 100 cm1s = (1/60) min

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A: Mass of the box  m = 70 kgLength of the incline L = 5mHeight of the incline = 2.5 mAngle of the…

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Q: A 25 N force pushes a box up a ramp to the back of a truck If the force does 200 J of work, how long…

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Q: Problem 3. A resistor with R = 300 N and an inductor are connected in series across an AC source…

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Q: 6. A 0.030-kg bullet is fired vertically into a 0.15-kg metal sphere that is initially at rest. If…

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Q: 1. For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m…

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Q: A pendulum is formed by placing a horizontal axis at various positions of a measuring stick of…

A: Length of the measuring stick L = 108 cm = 1.08 mGiven that the axis is placed at 81 cm (0.81 m)…

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Q: Suppose a motor connected to a 115 V source draws 19.0 A when it first starts. a) What is its…

A: Voltage applied to motor, V =115 Vcurrent drawn, I = 19.0 AFrom ohms law Resistance =

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Q: Problem 4: Displacement currents. A planar capacitor has two circular plates with equal radii R…

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Q: A bullet of mass 11.8g is firedinto an intially stationary block and comes to rest in the block .The…

A: The mass of the bullet is 11.8 g.The mass of the block is 1.25 kg.The final speed of the block and…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”