Homework Answers
A soccer ball is kicked at an angle of 40o from the ground at a speed...
A soccer ball is kicked at an angle of 40o from the ground at a speed of 30 m/s. a) Describe which motion (horizontal of vertical) of the ball is constant and which is accelerated. b) What are the vertical and horizontal components of the ball's initial velocity? c) For what length of time is the ball in the air assuming the ground is flat and horizontal? d) What is the range of the ball assuming the ground is flat...
27. A ball is kicked with a velocity of 30m/s at an angle of 60 degrees...
27. A ball is kicked with a velocity of 30m/s at an angle of 60 degrees relative to the horizontal. Assuming no air resistance ) What are the initial Vx and Vy components of the projectile shot? b) What will be the maximum vertical height the ball reaches in meters? c) How long in seconds will it stay in the air (hang time)? d) What will its velocity be at its maximum height? e) Calculate the total horizontal distance( range)...
1. An Olympic diver drops from the 10 meter platform with an initial vertical velocity of...
1. An Olympic diver drops from the 10 meter platform with an initial vertical velocity of 0.0 m/s. If the diver needs to clear the edge of the pool by 5 m, what was the horizontal velocity of the diver at the instant of takeoff? What was the horizontal velocity right before landing? (You may assume that the edge of the platform was directly above the edge of the pool.) 2. A long jumper leaves the ground at an angle...
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45°...
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45° above the horizontal. a) What is the vertical component of its acceleration as it travels along its trajectory? b) What is the horizontal component of the initial velocity? c) What is the vertical component of the initial velocity? d) Calculate the vertical component of the velocity at the highest point. e) Calculate the horizontal component of the velocity at the highest point.
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45°...
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45° above the horizontal. a) What is the vertical component of its acceleration as it travels along its trajectory? b) What is the horizontal component of the initial velocity? c) What is the vertical component of the initial velocity? d) Calculate the vertical component of the velocity at the highest point. e) Calculate the horizontal component of the velocity at the highest point.
A ball is kicked from a location < 8, 0, -9> m (on the ground) with...
A ball is kicked from a location < 8, 0, -9> m (on the ground) with initial velocity <-11, 17.0, -4> m/s. The ball’s speed is low enough that air resistance is negligible. (a) What is the velocity of the ball 0.3 s after being kicked? (Use the Momentum Principle!) v→= < , , > m/s (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.3 s after it...
A football is kicked with a speed of 18 m/sec an angle of 65 degrees to...
A football is kicked with a speed of 18 m/sec an angle of 65 degrees to horizontal. What are the horizontal and vertical components of the initial velocity of football. How long is football in air How far does football travel horizontally before it hits the ground. A baseball player bounces off a baseball off the floor by giving it a downward velocity of 3 m/sec at height of 1 m above the floor. The ball bounces off the floor...
I need number 11 What is the ball's horizontal displacement 2 s after it leaves the...
I
need number 11
What is the ball's horizontal displacement 2 s after it leaves the kicker's foot? What is the ball's vertical displacement 2 s after it leaves the kicker's foot? d. 11. Gerri leaves the long jump takeoff board with a vertical velocity of 2.8 m/s and a horizontal velocity of 7.7 m/s. a. What is Gerri's resultant velocity at takeoff? b. What is Gerri's takeoff angle-the angle of her resultant takeoff velocity with horizontal? c. What is...
A ball is kicked with an initial velocity of 11 m/s in the horizontal direction and...
A ball is kicked with an initial velocity of 11 m/s in the horizontal direction and 21 m/s in the vertical direction. (Assume the bal is kicked from the ground.) (a) At what speed (in m/s) does the ball hit the ground? m/s (b) For how long (in s) does the ball remain in the air? (c) What maximum height (in m) is attained by the ball?
A ball is kicked from a location < 6, 0, -9> m (on the ground) with...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
27. A ball is kicked with a velocity of 30m/s at an angle of 60 degrees relative to the horizontal. Assuming no air resistance ) What are the initial Vx and Vy components of the projectile shot? b) What will be the maximum vertical height the ball reaches in meters? c) How long in seconds will it stay in the air (hang time)? d) What will its velocity be at its maximum height? e) Calculate the total horizontal distance( range)...
1. An Olympic diver drops from the 10 meter platform with an initial vertical velocity of 0.0 m/s. If the diver needs to clear the edge of the pool by 5 m, what was the horizontal velocity of the diver at the instant of takeoff? What was the horizontal velocity right before landing? (You may assume that the edge of the platform was directly above the edge of the pool.) 2. A long jumper leaves the ground at an angle...
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45° above the horizontal. a) What is the vertical component of its acceleration as it travels along its trajectory? b) What is the horizontal component of the initial velocity? c) What is the vertical component of the initial velocity? d) Calculate the vertical component of the velocity at the highest point. e) Calculate the horizontal component of the velocity at the highest point.
A soccer ball is kicked with a velocity of 25 m/s at an angle of 45° above the horizontal. a) What is the vertical component of its acceleration as it travels along its trajectory? b) What is the horizontal component of the initial velocity? c) What is the vertical component of the initial velocity? d) Calculate the vertical component of the velocity at the highest point. e) Calculate the horizontal component of the velocity at the highest point.
A football is kicked with a speed of 18 m/sec an angle of 65 degrees to horizontal. What are the horizontal and vertical components of the initial velocity of football. How long is football in air How far does football travel horizontally before it hits the ground. A baseball player bounces off a baseball off the floor by giving it a downward velocity of 3 m/sec at height of 1 m above the floor. The ball bounces off the floor...
I
need number 11
What is the ball's horizontal displacement 2 s after it leaves the kicker's foot? What is the ball's vertical displacement 2 s after it leaves the kicker's foot? d. 11. Gerri leaves the long jump takeoff board with a vertical velocity of 2.8 m/s and a horizontal velocity of 7.7 m/s. a. What is Gerri's resultant velocity at takeoff? b. What is Gerri's takeoff angle-the angle of her resultant takeoff velocity with horizontal? c. What is...
A ball is kicked with an initial velocity of 11 m/s in the horizontal direction and 21 m/s in the vertical direction. (Assume the bal is kicked from the ground.) (a) At what speed (in m/s) does the ball hit the ground? m/s (b) For how long (in s) does the ball remain in the air? (c) What maximum height (in m) is attained by the ball?
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
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