1.In U.C.M., when time interval δt→0\delta t \to 0δt→0, the angle between change in velocity (δv⃗)(\delta \vec{v})(δv) and linear velocity (v⃗)(\vec{v})(v) will bea.0∘0^\circ0∘b.90∘90^\circ90∘c.180∘180^\circ180∘d.45∘45^\circ45∘Login to continueOnly logged in users canattempt or see the solution.