across a frictionless, horizont ng, it sticks, compressing the n. The block then continues t spring constant is 33.6 N/m.
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- -267J 14. A pendulum is released from a certain height. At the lowest point in its swing, the speed of the mass is 4.5 m/s. Calculate the vertical distance from which the pendulum was released. Ignore air resistance. 2.How much work by the pulling force is required to change the elongation of a spring from 10 to 20 cm ifthe load of 80 g elongates it to 4 cm?The 0.2 kg pellet is pushed against the spring at A and released from rest. Neglecting friction, determine the smallest deflection 0.6 m k = 500 N/m of the spring for which the pellet will travel around the loop ABCDE and remain at all times in contact W = 0.2 kg/ A with the loop.
- A protein dimer can be viewed as a dumbbell linked by a spring. Stretching of the spring with an AFM cantilever adds the total (internal) energy of 10−17 J to the dimer. What is the average kinetic energy of dumbbell oscillations after the external force has been released? Help me(b) What is the maximum speed? I have attached the file thanks.A 25.0 - kg child on a 2.00 - m - long swing is released from restwhen the ropes of the swing make an angle of 30.0° with thevertical. (a) Neglecting friction, find the child’s speed at thelowest position. (b) If the actual speed of the child at the lowestposition is 2.00 m/s, what is the mechanical energy lostdue to friction?
- need Answer only for (d)A 0.2 kg mass a Hached to a Spring with Spring Coustan't Surface. The Speed of the peint lo cn qw ay from Hhe position.Its maximum kanetic 'energy is. kg attached to aspring with 20 Nhn is V. brating 'on'a Smooth' horizo ntal mass is 2 m/s at a equibibrium 10 CimA 0.250 - kg block along a horizontal track has a speedof 1.50 m/s immediately before colliding with a light springof force constant 4.60 N/m located at the end of the track.(a) What is the spring’s maximum compression if the trackis frictionless? (b) If the track is not frictionless, would thespring’s maximum compression be greater than, less than, orequal to the value obtained in part (a)?
- A10.0kgblock is released from pointAin the Figure below.The track is friction-less except for the portionBC, of length6.00 m. The block travels down thetrack, hits a spring with springconstantk, and compresses it0.300 mfrom its equilibrium position before coming to rest momentarily. If thecoefficient of kinetic friction between surfaceBCand block is μk= 0.328, what is the value of thespring constant k?9 Spaceman Spiff lost his ship's altimeter during a freak meteor storm, but he needs to know when to deploy his retro rockets to insure a safe landing back on earth. Luckily, he has his trusty toy dart gun whose spring has a 110 N/m spring constant. He loads his 7.2 gram suction cup dart, compresses the spring 4.0 cm, takes vertical aim at the cabin ceiling, and shoots. The suction cup dart flies 1.47 meters above its initial spring-compressed position. What is Spiff's altitude above earth? aIf a spring is stretched so far that it is permanently deformed, itsforce is no longer conservative. Why?