A golfer hits a golf ball at an angle of 25 degrees to the ground. If the golf ball covers a horizontal distance of 301. 5 m, what is the ball's maximum height? (Hint: at the top of its flight, the ball's vertical velocity component will be zero.)

emancipezN

emancipezN

Answered question

2021-01-17

A golfer hits a golf ball at an angle of 25 degrees to the ground. If the golf ball covers a horizontal distance of 301. 5 m, what is the ball's maximum height? (Hint: at the top of its flight, the ball's vertical velocity component will be zero.)

Answer & Explanation

BleabyinfibiaG

BleabyinfibiaG

Skilled2021-01-18Added 118 answers

First off, Velocity V is equal to V=Vξ+Vyj where Vx=Vcos() and Vy=Vsin() since the golf ball covers a distance of 301.5m, we canuse VxTime=Distance[x]
Or V=Distance[x]Timecos()
Height is a function of time and using the following equations ddt BSK velocity = acceleration, Vy[t]=Vy[t=0]> and ddt
distance = velocity Dy[t=t]=(Vy[t=0]t>22) to find the maximum height, Vy[t]=0, or t=Vyg.
Rearranging, we get Dy=Vy2gVy2g2
or Dy=Vy22g
To find the velocity, we need to use the fact that the highest point is exactly halfway between the point where the ball is hit and the point where the ball lands,
image
So t=2Vyg
And using our first equation,
VxTime=Distance[x]
Vx2Vyg=301.5
V2cos()sin()2g=301.5
Once you find V, just plug it back into Dy=Vy22g
This will be your answer

Jeffrey Jordon

Jeffrey Jordon

Expert2021-09-30Added 2605 answers

the horizontal displacement can be expressed as:

x=vxt

Height is expressed asy=vyt12gt2

The time it would hit the maximum height is expressed as:

0=vygtt=vyg

The time that the projectile reaches the ground is twice the time it takes the projectile to reach its maximum height. This is expressed as

t=2vyg

to find the time of the projectile to reach the maximum height, we have the formula

r=vx2vyg

From trigonometry,

vx=cos(θ), vy=sin(θ)

r=2cos(θ)sin(θ)g

We know from our trigonometric identities that

sin(2θ)=2sin(θ)cos(θ) , so it would become

r=v2gsin(2θ)

ymax=v2yg12g(vyg)2=v2yg12v2yg=v2sin2(θ)2g

velocity is R=301.5

θ

=25g=10

m/s2

V(0)=? Y(max)=?

R=R=v2sin(2θ)g

Substitute the answers  in the equation v ll,  that would be  V2=3935 m/s we also know that at the highest point V(y)=0 so we v can write down:

V(y)2V(0)(y)2=2gy

we also know that

V(y)=V(0)sinθ

V(y)2[V(0)sinθ]2=2gy

y :35m

user_27qwe

user_27qwe

Skilled2023-06-12Added 375 answers

Step 1: Identify the given information:
The angle of the golf ball's trajectory, θ=25 degrees.
The horizontal distance covered by the ball, d=301.5 m.
Step 2: Find the horizontal and vertical components of the initial velocity:
The initial velocity, v0, can be split into its horizontal component, v0x, and vertical component, v0y.
v0x=v0·cos(θ)
v0y=v0·sin(θ)
Step 3: Find the time of flight:
The time it takes for the ball to reach its maximum height is equal to the time it takes for the ball to return to the ground. At the top of its flight, the vertical velocity component is zero. We can use this information to find the time of flight, t.
v0yg·t=0
t=v0yg
Step 4: Find the maximum height:
The maximum height, h, can be calculated using the formula:
h=v0y·t12·g·t2
Substituting the value of t from Step 3:
h=v0y·v0yg12·g·(v0yg)2
Simplifying the equation:
h=v0y22g
Step 5: Substitute the values and calculate the maximum height:
Substituting the values of v0y, θ, and g into the equation in Step 4, we can calculate the maximum height, h.
h=(v0·sin(θ))22g
Substituting v0=dcos(θ):
h=(dcos(θ)·sin(θ))22g
h=d2·sin2(θ)2g·cos2(θ)
Substituting the given values of d, θ, and g=9.8m/s2:
h=(301.5)2·sin2(25)2·9.8·cos2(25)
h29.82m
Therefore, the golf ball's maximum height is approximately 29.82 meters.
alenahelenash

alenahelenash

Expert2023-06-12Added 556 answers

Given:
Angle of launch (θ) = 25 degrees
Horizontal distance covered (d) = 301.5 m
To find: Maximum height (H) of the golf ball
Using the kinematic equations, we can analyze the motion of the golf ball. At the top of its flight, the vertical velocity component (vy) will be zero.
We can decompose the initial velocity (v0) of the golf ball into its horizontal component (v0x) and vertical component (v0y):
v0x=v0cos(θ)
v0y=v0sin(θ)
Since the ball's vertical velocity component is zero at the top of its flight, we can use the equation for vertical displacement (Δy) to find the maximum height (H):
Δy=v0y·t12gt2
where t is the time taken to reach the maximum height and g is the acceleration due to gravity.
At the top of its flight, the ball's vertical displacement is equal to the maximum height:
H=12gt2
To find the time taken to reach the maximum height, we can use the equation for horizontal displacement (d):
d=v0x·t
Solving for t, we get:
t=dv0x
Substituting this value of t into the equation for maximum height, we have:
H=12g(dv0x)2
Now, we can substitute the given values and calculate the maximum height:
H=12·9.8·(301.5v0cos(θ))2
karton

karton

Expert2023-06-12Added 613 answers

To solve this problem, we can use the equations of projectile motion. Let's denote the initial velocity of the golf ball as v0 and the angle of projection as θ.
The horizontal and vertical components of the initial velocity are given by:
V0x=v0cos(θ) (horizontal component)
V0y=v0sin(θ) (vertical component)
At the top of the ball's flight, the vertical velocity component is zero (Vy=0). We can use this information to find the time it takes for the ball to reach its maximum height.
The vertical displacement (Δy) can be calculated using the equation:
Δy=V0y·t+12·g·t2
Since the vertical velocity at the top of the flight is zero, we have:
0=V0yg·t
Solving this equation for t, we find:
t=V0yg
Substituting this value of t into the equation for Δy, we get:
Δy=V0y2g12·g·(V0yg)2
Simplifying this equation, we have:
Δy=V0y22g
Now, we can substitute the expressions for V0y and g:
Δy=(v0sin(θ))22·9.8
The maximum height is equal to the vertical displacement, so the maximum height (h) is given by:
h=(v0sin(θ))22·9.8
Given that the horizontal distance covered by the ball is 301.5 m, we can use the horizontal component of the initial velocity to find the initial velocity (v0).
The horizontal displacement (Δx) is given by:
Δx=V0x·t
Substituting the expression for V0x and the value of t from above, we have:
Δx=(v0cos(θ))·(V0yg)
Simplifying this equation, we get:
Δx=(v0cos(θ))·(v0sin(θ))g
Substituting the given value of Δx:
301.5=(v0cos(25))·(v0sin(25))9.8
Simplifying this equation, we can solve for v0:
v02=301.5·9.8cos(25)·sin(25)
Taking the square root of both sides, we get:
v0=301.5·9.8cos(25)·sin(25)
Finally, substituting this value of v0 into the equation for the maximum height, we can calculate the maximum height (h):
h=(301.5·9.8cos(25)·sin(25)·sin(25))22·9.8
Calculating this expression will give us the value of the ball's maximum height.

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