m=3 g=9.81 w=??

Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A: The magnitude of the displacement of the coin is given by, d=xf-xi2+yf-yi2 Here, xi,yi is the…

Q: A 10 N force is needed to move an object with a constant velocity of 5.0 m/s. What power must be…

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Q: An object has a kinetic energy of 88 J and a mass of 45 kg , how fast is the object moving?

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Q: Find the scalar product of the vectors in the figure below, where 0 119° and F = 33.5 N. %3D 132°…

A: F = 33.5 N  d = 17.3 cm= 0.173 m  Angle between both the vectors = 19 degree

Q: Use the definition of scalar product, á b =ab cos 0, and the fact that a b = a,b, + a,b, + a,b, to…

A: Given, a→=4i^+4j^+4k^ and b→=8i→+7j→+5k→ And scalar product,  a→.b→=abcosθ,where…

Q: Find the scalar product of the vectors shown.

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Q: m = 0.045 kg k = 490 N/m Δx = 0.13 m 2.2 J lost due to friction v = 6.4 m Find h.

A: Given: mass m=0.045 kg k=490 N/m ∆x=0.13 2.2 J is lost due to friction, v=6.4 m  To find: h=?

Q: R, - 330 2 V, - 24 V R, = 1.2 kn R, - 470 2

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Q: A 28 kg child on a swing is traveling at 4.2 m/s. What is his potential energy if he has 315 J of…

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Q: Water flows over a section of Niagara Falls at a rate of 1.2 × 10^6 kg/ s and falls 50 m. How many…

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Q: Find the dot product of two vectors shown in the figure. The magnitude of the 130.0 53.0 vectors are…

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Q: What is the kinetic energy of a 1066 kg car moving at 29.8m/s(66.7mi/h)?

A: Kinetic energy of an object is given by,                K.E = 12mv2     ----(1) where,    m - Mass…