A student standing on a cliff that is a vertical height d= 25 ft above the level ground throws a stone with velocity v0= 73 ft/s at an angle θ = 25 ° below horizontal. The stone moves without air resistance; use a Cartesian coordinate system with the origin at the stone's initial position. 1).With what speed, vf in feet per second, does the stone strike the ground? 2).
A student standing on a cliff that is a vertical height d= 25 ft above the level ground throws a stone with velocity v0= 73 ft/s at an angle θ = 25 ° below horizontal. The stone moves without air resistance; use a Cartesian coordinate system with the origin at the stone's initial position.
1).With what speed, vf in feet per second, does the stone strike the ground?
2).
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If the stone had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, then compare their impact velocities.
a)The impact velocity when throwing a stone above horizontal will be more than the case when throwing a stone below horizontal.
b The impact velocities of the two situations will be the same.
c More information is needed to conclude the relative strength of impact velocities.
d).The impact velocity when throwing a stone above horizontal will be less than the case when throwing a stone below horizontal.
which option is correct
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