Use the fact that 1 m3 = 1000 liter, and show that 1ml = 1 cm3

Q: A spring has a natural length of 20.0 cm. If a 21.0-N force is required to keep it stretched to a…

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Q: A 80-kg cyclist on a 19-kg bicycle starts coasting on level ground at 30 m/sec. Use v = vo e (-k/m)t…

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Q: Suppose it takes 4 pounds of force to keep a spring stretched 3 inches longer than its equilibrium…

A: We have to find work done to stretch spring one foot from its equilibrium..

Q: 2. A 2 kg mass stretches a spring 0.4 m. The spring constant is (g = 9.8- m and m kg. = N) s2 (a)…

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Q: A spring is compressed 3 cm from its rest length of 10 cm with a holding force of 7 N. Find the…

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Q: When a 2.60-kg object is hung vertically on a certain light spring described by Hooke's law, the…

A: Given  m=2.60 kgd=3.22 cm

Q: A parachutist whose mass is 70 kg drops from a helicopter hovering 4000 mn above the ground and…

A: Let x(t) denote the height above ground after t seconds.Notice that x 0 (t) ≤ 0, since he is…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.