Launch Angle Q's with no Angle

[Counsellnfc]

A golfer gives a ball a maximum initial speed of 28.5 m/s. (Neglect air resistance.)
(a) What is the longest possible hole in one for this golfer? Neglect any distance the ball might roll on the green, and assume that the tee and the green are at the same level.
m
(b) What is the minimum speed of the ball during the hole-in-one shot?
m/s

How do you do this without a angle? (or for that matter any other information)

 

[PPonte]

(a) You need to find precisely the angle for the maximum range.

These equations might be a good help:

$$R = v_0\cos\theta t$$

$$\frac{t}{2} = \frac{v_0\sin \theta}{g}$$Do you understand how did I find them?
R = range
v₀ = initial velocity
t/2 = time that the ball takes to reach the maximum height

Last hint: $2\sin\theta\cos\theta = \sin2\theta$

 

[kyle8921]

I would need more information in order to provide a valid response to this question. The launch angle is a crucial factor in determining the distance and speed of the ball, so without it, it is impossible to accurately calculate the longest possible hole-in-one or the minimum speed of the ball. Additionally, there are other factors such as wind speed, terrain, and club selection that would also affect the outcome of the shot. Therefore, without the launch angle and other necessary information, it is not possible to provide a meaningful response to this question.