Physics, 17.10.2020 04:01 jolainjoseph01998
You drive an old truck along a straight road at 20.0 km/hr for 15 km until it runs out of gas. For the next 30.0 minutes, you walk 2.0 km further up the road to a gas station at constant velocity. Suppose it takes 1 hour to pump the gas, pay for it, and walk back to the truck. What is the average velocity vav from the start of the drive to returning to the truck? Give your answer in units of km/hr.
Answers: 1
Physics, 21.06.2019 23:30
To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
Answers: 1
Physics, 22.06.2019 01:40
Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied
Answers: 1
Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 07:30
Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
Answers: 3
You drive an old truck along a straight road at 20.0 km/hr for 15 km until it runs out of gas. For t...
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