A soccer player kicks the ball toward a goal that is 28.0 m in front of him. The ball leaves his foot at a speed of 19.5 m/s and an angle of 30.6° above the ground. Find the speed of the ball when the goalie catches it in front of the net. (Note: The answer is not 19.5 m/s.)

So i assume you find the horizontal component of Vi and solve for t which i got 1.6682. Then substitute 1.6682 for t while solving final velocity of vertical component. Use pythogereom thereom and get the final velocity. I got an answer of 15 m/s but the computer says is wrong. Please help it would mean alot!

  1. 👍
  2. 👎
  3. 👁
  1. u = horizontal component = 19.5 cos 30.6
    = 16.8 m/s the whole time

    so time in air = 28/16.8 = 1.67 seconds

    What is vertical component?
    Vi = 19.5 sin 30.6 = 9.93 m/s
    v = Vi - g t
    v = 9.93 - 9.81(1.67)
    v = -6.46 m/s headed down

    total speed = sqrt (16.8^2+6.46^2)
    = 18 m/s

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1350N. Assume that the player’s foot is in contact with the ball for 6.20x10-3s.

  2. Physics

    A soccer player kicks a ball into the air at an angle of 36 degrees above the horizontal with a speed of 30m/s a.How long is the soccer ball in the air? b. What is the horizontal distance traveled by the ball? c. What is the

  3. Physics

    A .25 kg soccer ball is rolling at 6 m/s toward a player. The player kicks the ball back in the opposite direction and gives it a speed of 14 m/s. The interaction only lasted .02 seconds. Calculate the average force during the

  4. winterWx

    A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The force of the kick is given by F(t) = [(5×106)t - (2.5×109)t2] N for 0 ≤ t ≤ 2.0×10-3 s, where t is in seconds. (The player's foot is in

  1. Physics

    Two soccer players kick a soccer ball back and forth along a straight line. The first player kicks the ball 19 m to the right to the second player. The second player kicks the ball to the left weakly; it only moves 1.7 m before

  2. health 9th grade connexus

    1. A goal is scored in soccer when_____. (1 point) the ball hits the outside of the net the ball crosses the goal line the ball hits the goal post none of the above 2. The _________ pass is used when a player wants to make a

  3. phs

    a soccer player kicks a 0.5 kg stationary ball with a force of 50 newtons .what is the force on the players foot?

  4. Physics

    If the soccer player kicks the ball with an initial velocity of 20 m/s at an angle of 45 degrees relative to the ground then what is the time it takes for the ball to reach the maximum height, what is the time of flight, what is

  1. Physics

    A player kicks the ball at an angle of 30 degrees to the horizontal at an initial velocity of m/s.A second player standing at 300m from the first direction of the kick starts running to meet the ball at the time it is kicked

  2. Physics

    A soccer player kicks a 0.43 kg ball straight up to see how far it will rise. The ball starts with a velocity of 16m/s at a height of 0.85m above the ground. It rises then falls straight down to the ground. a) what is the total

  3. Physics

    Suppose a soccer player kicks the ball from a distance 30 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be above the horizontal.

  4. Physics

    A football player kicks a field goal, launchingthe ball at an angle of 48" above the horizontal. During the kick, the ball is in contact with the player's foot for 0.045 s, and the ball's acceleration is 290 m/sz. Vvhat is the

You can view more similar questions or ask a new question.