Physics, 16.10.2019 13:30 peggycab4201
A1190 kg car pulls a 460 kg trailer. the car exerts a horizontal force of 4070 n against the ground in order to accelerate. what force does the car exert on the trailer? assume an effective friction coefficient of 0.190 for the trailer.
Answers: 2
Physics, 21.06.2019 19:30
A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
Answers: 1
Physics, 21.06.2019 23:30
Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?
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Physics, 22.06.2019 05:00
The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?
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An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
A1190 kg car pulls a 460 kg trailer. the car exerts a horizontal force of 4070 n against the ground...
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