Physics, 18.10.2020 09:01 kyrajewell2016
Anne applies a force on a toy car and makes it move forward. What can be said about the forces acting on the toy car at the moment Anne applies the force?
unbalanced
.
Answers: 1
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When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
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The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
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Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2. how much is the spring compressed x from its natural length? 1) x = v0*sqrt(k/(mg)) 2) x=v0*sqrt(m/k) 3) x=v0*((mk)/g) 4) x=v0*sqrt(k/m) 5) x=v0*(m/kg) 6) x=v0*sqrt((mg)/k) 7) x=(v0)^2/(2g) 8) x=v0*(k/(mg)) 9) x=(v0)^2/(2m) 10) x=v0*((mg)/k)
Answers: 3
Anne applies a force on a toy car and makes it move forward. What can be said about the forces actin...
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