An object moving at 40 m s–1 decelerates steadily at 2.8 m s–2 . Calculate: a) the distance travelled by the object before it comes to rest b) the time it takes to stop c) the displacement it travelled during the last 2 seconds​

dopamine..

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the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

your answer is c! hope this : )

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west