Question

In: Physics

I've already worked out the vertical and horizontal components so far for this question. Vertical component=16.34...

I've already worked out the vertical and horizontal components so far for this question. Vertical component=16.34 and horizontal component=25.16 but I got no idea what to do from here. A polo ball is hit from the ground at an angle of 33 degrees upwards from the horizontal. If it has a release velocity of 30 m/s and lands on the ground.

Based on the initial release parameters, what will the polo ball's vertical and horizontal velocity components be at the instant before it lands on the ground?

a. vertical?

b.horizontal?

Solutions

Expert Solution

Initial speed of the ball is v_o=30m/s

Initial horizontal velocity of the ball is

Initial vertical velocity of the ball is

(a)

The vertical acceleration of the ball is

The height of the ball at the ground is y=0. The vertical acceleration of the ball is constant, the vertical motion of the ball is governed by the kinematics equation for uniformly accelerated motion. The vertical position of the ball as a function is

The height of the ball is zero at time t=0 (when it was released from ground). It lands on the ground at time

Vertical velocity of the ball just before it lands is

The vertical velocity is negative representing that the ball is moving vertically downward just before it lands.

(b)

There is no force on the ball in the horizontal direction, the horizontal acceleration of the ball is zero. The horizontal velocity of the ball does not change with time. The horizontal velocity of the ball just before it lands on the ground is

genius_generous answered 1 year ago

Next > < Previous

Related Solutions

Determine the horizontal and vertical components of reaction at the pin C.

Determine the horizontal and vertical components of reaction at the pin C. Also, what are the reactions at supports A and F?

Please answer this question and do steps 1-7. I've already posted this question and they did...

Please answer this question and do steps 1-7. I've already posted this question and they did not complete the answer. PB2-3 Recording Transactions (in a Journal and T-Accounts); Preparing and Interpreting the Balance Sheet (LO 2-2, 2-3, 2-4, 2-5 and a little Chapter 1) Starbuck$ is a coffee company – a big coffee company. During a 10-year period, the number of Starbucks locations grew from 165 to over 8,500 stores in 50 countries. The following is adapted from Starbucks’s annual...

Let u(t) and w(t) be the horizontal and vertical components, respectively, of the velocity of a...

Let u(t) and w(t) be the horizontal and vertical components, respectively, of the velocity of a batted baseball: ??=−?? and ??=−?−?? ?? ?? where ? is the coefficient of air resistance and g is the acceleration of gravity. Determine u(t) and w(t) assuming the following initial conditions: ?(0) = ? cos ? and ?(0) = ? sin ?,where V is the initial speed of the ball, and A is its initial angle of elevation. Let x(t) and y(t) be the...

Greetings, I worked through part A and assuming I got it all correct so far. I'm...

Greetings, I worked through part A and assuming I got it all correct so far. I'm not sure where to go or how to find the breakeven point from the information found & given in order to complete B and C. 1. You are currently in the 7th year of a 25-year fixed rate, fully amortized mortgage with monthly payments. You originally borrowed $150,000 with a 9.50% annual interest rate. Interest rates are expected to be lower, so you are...

This is what I have so far. The out print I am looking for is Date...

This is what I have so far. The out print I am looking for is Date is 7/22/2020 New month: 9 New day: 5 New Year: 2020 Date is 9/5/2020 #include class Date { public: Date::Date(int dateMonth, int dateDay, int dateYear) month{dateMonth}, day{dateDay}, int dateYear}{} //void displayDate(); //set month void Date::setMonth(std::int dateMonth){ month = dateMonth; } //retrieve month ...

Looking to see how to figure this out. So far when I break apart the coding...

Looking to see how to figure this out. So far when I break apart the coding it works but when it is all together it doesn't, Hangman We're going to write a game of hangman. Don't worry, this assignment is not nearly as difficult as it may appear. The way hangman works (for this assignment - we are doing a simplified game) is as follows: the computer will choose a word. (For this version, a word is selected from a...

Question: What are the five components of internal control? Briefly explain each component.

Special Note: The teacher wants the question to be explain step by step, not worked out....

Special Note: The teacher wants the question to be explain step by step, not worked out. Given is a historical time series for job services demand in the prior 6 months. Month Demand 1 11 2 13 3 14 4 12 5 13 6 14 a) In your own words, explain (do not show how to solve) how to compute MSE based on the 3 months moving average method b) In your own words, explain (do not show how to...

This all counts as 1 question in class because it's supposed to be already known. So...

This all counts as 1 question in class because it's supposed to be already known. So please answer all of them. I just want to be sure I'm right. Question 1 Which of the following statements are true regarding momentum? Check all that apply. The total momentum of an isolated system is conserved, but internal forces can change the total momentum of the system pinitial = (m1v1)i + (m2v2)i + (m3v3)i + … pfinal = (m1v1)f + (m2v2)f + (m3v3)f...

What I have so far is bold. Question: The Mars company claims that 13 percent of...

What I have so far is bold. Question: The Mars company claims that 13 percent of M&M’s plain candies distributed into bags are brown. Investigate this claim with an appropriate hypothesis test. Use a significance level of α = 0.05. 1. What is the parameter of interest in this situation? Brown M&Ms = .13 2. Null hypothesis: Ho: p= .13 3. Alternative hypothesis: Ha: p does not = .13 4. Color Count Brown 7 Non-Brown 49 Total 56 5. What...

Subjects