Q1 three identical train cars coupled together are rolling

Reference no: EM13354455

Q1. Three identical train cars, coupled together, are rolling east at 1.2 m/s. A fourth car travelling east at 4.4 m/s catches up with the three and couples to make a four-car train. A moment later, the train cars hit a fifth car that was at rest on the tracks, and it couples to make a five-car train. What is the speed of five-car train?

Q2. A man pushes a lawn mower on a level lawn with a force of 186 N. If 35 percent of this force is directed downward, how much work is completed by the man in pushing the mower 6.5 m?

Reference no: EM13354455

Questions Cloud

Q1 what is the acceleration of two falling sky divers mass : q1. what is the acceleration of two falling sky divers mass 109.0 kg including parachute when the upward force of air

Qnbspa hollow cone is cut by a plane parallel to the base : q.nbspa hollow cone is cut by a plane parallel to the base and the upper portion is removed. if the volume of the

Q1 boat a negotiates a curve whose radius is 352 m boat b : q1. boat a negotiates a curve whose radius is 352 m. boat b negotiates a curve whose radius is 160 m. each boat

Q1 a wire of mass 1 g and length 58 cm is stretched with a : q1. a wire of mass 1 g and length 58 cm is stretched with a tension of 480 n. it is then placed near the open end of

Q1 three identical train cars coupled together are rolling : q1. three identical train cars coupled together are rolling east at 1.2 ms. a fourth car travelling east at 4.4 ms

Q1 a race car has the mass of 702 kg it starts from rest : q1. a race car has the mass of 702 kg. it starts from rest and travels 45.0 m in 3.0 s. the car is uniformly

Q1 assume that when you ride on your 760-kg bike the weight : q1. assume that when you ride on your 7.60-kg bike the weight of you and the bike is supported equally by the two

Q1 an airtight box has a removable lid of area 100 10-2 m2 : q1. an airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. the box is taken up a mountain

Q1 charge of uniform density 80 ncm3 is distributed : q1. charge of uniform density 80 ncm3 is distributed throughout a hollow cylinder region formed by two coaxial

User Account

All Pages