# 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.

1. 👍
2. 👎
3. 👁
1. 40 degrees*

1. 👍
2. 👎
2. [v sin40]^2 = 2 (9.8) 2.4. This assumes vy final is zero as it crosses the goal.
v = sqrt(2*9.8*2.4)/sin40

1. 👍
2. 👎
3. 10.67 m/s

1. 👍
2. 👎
4. Suppose a soccer player kicks the ball from a distance 15 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 35° above the horizontal.

1. 👍
2. 👎

## 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 78 g basketball is launched at an angle of 45.4◦ and a distance of 10.1 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long

3. ### Physics

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

4. ### 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

1. ### 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

2. ### 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

3. ### 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

4. ### 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

1. ### 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?

2. ### 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

3. ### 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

4. ### PHYSICS

A player kicks a ball at an angle of 37degree with the horizontal and with an initial speed of of 48ft/s. A second player standing at a distance of 100ft from the first in the direction of the kick starts running to meet the ball