Answer:
We have been given that car is moving 60 km in east
And 90 km in west
That means we are given two different directions
So, if distance in East is taken to be positive 60 km
Then the distance when car is moving in west direction will be taken as -90 km
So, the displacement means how far the object is from to initial to final position.
So, the displacement will be (-90)+60 = -30
So, it will be in -30 km (minus is west direction).
Answer:
The distance is
Explanation:
From the question we are told that
The coefficient of static friction is
The initial speed of the train is
For the crate not to slide the friction force must be equal to the force acting on the train i.e
The negative sign shows that the two forces are acting in opposite direction
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From equation of motion
Here v = 0 m/s since it came to a stop
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<em>Matter is composed of elementary particles i.e. quarks and leptons.</em>
<em>Matter is composed of elementary particles i.e. quarks and leptons.Matter is composed of elementary particles which is called quarks and leptons. Quarks consist of protons, neutrons and electrons. All observable matter is made up of up quarks, down quarks and electrons.</em>
<em>Matter is composed of elementary particles i.e. quarks and leptons.Matter is composed of elementary particles which is called quarks and leptons. Quarks consist of protons, neutrons and electrons. All observable matter is made up of up quarks, down quarks and electrons.Lepton is an elementary particle consist of half-integer spin that does not undergo strong interactions. Leptons exist on two main classes i.e. charged leptons, and neutral leptons. Electron, electron neutrino, muon, muon neutrino, tau and tau neutrino are the six types of leptons.</em>
In order to describe motion along a straight line, you must state the speed and direction of the motion. Those two quantities, together, comprise what's known as "velocity".