Physics, 16.07.2021 01:50 xelynncaldera
A tractor of mass 2000kg Pulls a trailer of mass 1500kg. The total frictional force is 3000N and the acceleration of the tractor is 3ms^-2. Calculate;
(a) the force exerted on the tractor by the tow-bar when the acceleration is 3ms^-2
(b) the force exerted when the tractor and trailer are moving at a constant speed of 4m/s
Answers: 2
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 14:30
A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
Answers: 2
Physics, 23.06.2019 02:00
How does the strength of the electrostatic force between an electron and a proton compare to the strength of the gravitational force between them?
Answers: 1
A tractor of mass 2000kg Pulls a trailer of mass 1500kg. The total frictional force is 3000N and the...
History, 02.07.2019 02:30
Mathematics, 02.07.2019 02:30
Mathematics, 02.07.2019 02:30
Mathematics, 02.07.2019 02:30
English, 02.07.2019 02:30
English, 02.07.2019 02:30