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- Hi, please show full solutions and also explain how you get the answers in physics terms so it's understandable. The correct final answers are written beside too. This is one whole question to be answered. I can't post it separately since it's related. Thank you. 9. A 1.8 kg mass is launched at 40.0º to a level surface by a spring launcher on a frictionless ramp. The spring constant is 914 N/m.a) Find the elastic energy the launcher had when the spring was compressed 28 cm. (36 J)b) What velocity did the mass have just as it left the launcher? (6.3 m/s)you psush a file acbinet up a rough ramp titled at 10 degreee with horizontak. The file cabinet has a mass 82kg and you are pushing with a 260N force in the direction up along the ramp. The friction force on the cabinet from the ramp is 35N. It's moved 3.00m up along the ramp. a.whats the workdone by you on the cabinet b. whats the workdone by the frictiion force d. whats the change in gravitational potential energy, positive or negativeThe spead of the car a: the base of 2 10 m hill s 54 kinvh. Assuming the driver keeps her foor off the brake and accelecaror pedals, what will be the speed of the car at che rop of i
- Spring: A イof ar 20N QI7) A 70. 0 kg ska ter on a frictionless half pi pe has a gravitational Poten tial energy of 1400 jou les at the top of her motion. (Use g= 10.0 N/kg = 10.0 m/s²) Show your workc! 93= %3D 1) How high ground in meter s is the skater とふ Fr a bove the When she starts her run? 2) pipe? What is her Speed at the bottom of the (answer in m/s and convert to mph) 3)What is her speed when she is halfway down pipe? (answer in m/s and convert to mph. theThe net force on a body varies with time according to the equation below. What is the imp ted to I only need the answers FAST. I neither have the time or questions left on chegg so please answer them correctly. Again I dont need to see the work I just want right answer. please! the body during the time interval t = 0.0 s to t = 2.0 s? to F = 3t2 + 4t- 2 Where F is in newtons and a. b. 24 Ns bo5400939 C. 12 Ns d. 48 Ns $4009398c 398c bo1. Under a constant force, a 10 kg ball increases its speed from 2.0ms1 to 7 ms after covering 50 m. calculate the force on the hall. I A stone ic thrown verticallvunwarde from the ton of a huilding 50m
- 2. A ead slides without friction around a loop-the-loop. The bead is released from a heigh h=3.5 R. R a) What is the bead`s speed at point A. b) How large is the normal force on the ead if its mass is 5g.A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The friction force on the box is 75.0 N. The cabinet starts from rest. What is its speed at the end of the ramp, in m/s? Use g = 10.0 m/s2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 5.0 m 15.0°A 1000 kg elephant is to be lifted 10m above the ground. a. How much workis required to lift the elephantstraight up? b. How much workis required to slide the elephant up a frictionless ramp to the same height? c. If the ramp is 150m long, how much force is required? d. What work and force is required to lift the elephant if you had a four pulley system?
- Work and Energy5. What is the average horsepower required to raise a 200kg box to a height of 23m over a period of 3 minutes?Mass m, a table with coethicient r kindtie on friction Me, is moving with velocity vi towards spring 4 constank k when it is L meders away fam it, as shown. a) what is the velouity f m when it reaches the m, V;-> spring? b) By how mueh does the spning get sgueered when m momentariy comes to restɔQ3. A 7kg bowling ball moves at 3m/s. How fast must a 2.45g Ping-Pong ball moves so that theewo balls have the same kinetic energy?