If a projectile is launched from the ground which of the following periods of angles will result in the same horizontal range? A) θ = 45⁰, θ =30⁰
B) θ = 60⁰, θ =45⁰
C) θ = 90⁰, θ =30⁰
D) θ = 30⁰, θ =60⁰
E) θ = 75⁰, θ =25⁰

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

2.22/3.33 points | previous answers tamucolphysmechl1 4.pre.002. ask your teacher my notes question part points submissions used on a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 2.40 m/s. (a) what are the magnitude and direction of the velocity of the red glider after the collision? magnitude 3.33 m/s correct: your answer is correct. direction correct: your answer is correct. (b) is this collision elastic?

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?