Help! 1) A ball is thrown to the right at a speed of 5.3 m/s at...
Help!
1) A ball is thrown to the right at a speed of 5.3 m/s at an angle of 37 degrees above the horizontal. What is the horizontal component of the ball's velocity?
2) A ball is thrown to the right with a speed of 19.7 m/s at an angle of 38 below the horizontal. What is the vertical component of the ball's velocity?
3) A ball is thrown to the right with a speed of 20.0 m/s and at an angle of 34 degrees above the horizontal. What is the horizontal component of the ball's acceleration?
4) A ball is thrown to the right with a speed of 18.9 m/s and at an angle of 31 degrees above the horizontal. What is the vertical component of the ball's acceleration?
Homework Answers
A ball is thrown with a speed of 20 m/s at an angle of 37# above...
A ball is thrown with a speed of 20 m/s at an angle of 37# above the horizontal (neglect air resistance). Which of the following is true: A. at the highest point its acceleration is zero. B. the velocity of the object is zero at the point of maximal elevation. C. the velocity in the horizontal direction is constant. D. the acceleration depends on the mass of the object.
A ball at ground level is thrown straight up with a speed of 12 m/s. How...
A ball at ground level is thrown straight up with a speed of 12 m/s. How long does it take the ball to reach the maximum height? 0.82 s 1.02 s 0.63s 1.22 s What is the maximum height reached by the ball? 5.10 m 3.26 m 7.34 m 1.96 m The vertical component of the acceleration of a projectile remains constant during the entire trajectory of the projectile. True False For a projectile launched horizontally, the horizontal component of...
8. A ball is thrown horizontally from a roof at 12.0 m/s. find the ball's velocity...
8. A ball is thrown horizontally from a roof at 12.0 m/s. find the ball's velocity 2 s later. 9. A ball is thrown 40° above the horizontal at 4.0 m/s. Find the horizontal and vertical components of its velocity after 0.50 s. 10. A ball is thrown 28° below the horizontal at 4.0 m/s. Find the horizontal and vertical components of its velocity after 0.78 s.
1. A ball is thrown off a cliff overlooking a lake. The cliff is 9.60 m...
1. A ball is thrown off a cliff overlooking a lake. The cliff is 9.60 m above the lake. The ball has an initial speed of 2.85 m/s and is thrown at an angle of 20.0° below the horizontal. (a) Calculate the time after the ball is thrown until it strikes the water. (b) Calculate the ball’s speed just before striking the water. (c) How far from the base of the cliff does the ball hit the lake? (d) Sketch...
A ball is thrown from the ground onto a roof of height yroof 16 m from...
A ball is thrown from the ground onto a roof of height yroof 16 m from a distance of x 7 meters away as shown in the diagram to the left. The maximum height of the ball's trajectory is ymax 3.2 meters above the top of the roof. Standard Exercise Roof Toss Standard Exercse Cliff Toss 1) Find the required initial vertical component of the velocity, V vy 0 m/s Submit Help 2) Find the time for the ball to...
PRACTICE IT Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.00 to the horizontal and with an initial speed of 1...
PRACTICE IT Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.00 to the horizontal and with an initial speed of 19.0 m/s. The point of release is h = 46.0 m above the ground. (a) How long does it take for the ball to hit the ground? 4.183 (b) Find the ball's speed at impact. 35.532 m/s (c) Find the horizontal range...
Question3 A baseball player throws a ball in the air with an initial speed of 50m/s...
Question3 A baseball player throws a ball in the air with an initial speed of 50m/s at an angle of 30 degrees above the horizontal. What is the vertical component of the ball's initial velocity assuming up is the positive direction? Select the correct answer CHECK ANSWER 0 of 1 attempts used LAST ATTEMPT! O +43.3 m/s O -25 m/s O +50 m/s O -43.3 m/s O +25 m/s
A ball is thrown from a rooftop with an initial downward velocity of magnitude v0 = 1.1 m/s. The rooftop is a distance above the ground, h = 46 m.
A ball is thrown from a rooftop with an initial downward velocity of magnitude v0 = 1.1 m/s. The rooftop is a distance above the ground, h = 46 m. In this problem use a coordinate system in which upwards is positive. Part (a) Find the vertical component of the velocity, Vfy, in meters per second, with which the ball hits the ground. Part (b) If we wanted the ball's final speed to be exactly 27.3 m/s from what height, hnew (in...
A ball is thrown off a cliff overlooking a lake. The cliff is 9.60 m above...
A ball is thrown off a cliff overlooking a lake. The cliff is 9.60 m above the lake. The ball has an initial speed of 2.85 m/s and is thrown at an angle of 20.0° below the horizontal. (a) Calculate the time after the ball is thrown until it strikes the water. (b) Calculate the ball’s speed just before striking the water. (c) How far from the base of the cliff does the ball hit the lake? (d) Sketch the...
Ex 1 A ball is thrown upwards with the velocity and the angles shown in the...
Ex 1 A ball is thrown upwards with the velocity and the angles shown in the drawing. 20 m/s 10 m/s 37" 53 10 m/s 45 10 m/s 30° Order from greater to smaller 1. The vertical component of the velocity 2. The horizontal component of the velocity 3. What is the speed of the ball when reaching the highest point of its trajectory.
A ball at ground level is thrown straight up with a speed of 12 m/s. How long does it take the ball to reach the maximum height? 0.82 s 1.02 s 0.63s 1.22 s What is the maximum height reached by the ball? 5.10 m 3.26 m 7.34 m 1.96 m The vertical component of the acceleration of a projectile remains constant during the entire trajectory of the projectile. True False For a projectile launched horizontally, the horizontal component of...
8. A ball is thrown horizontally from a roof at 12.0 m/s. find the ball's velocity 2 s later. 9. A ball is thrown 40° above the horizontal at 4.0 m/s. Find the horizontal and vertical components of its velocity after 0.50 s. 10. A ball is thrown 28° below the horizontal at 4.0 m/s. Find the horizontal and vertical components of its velocity after 0.78 s.
A ball is thrown from the ground onto a roof of height yroof 16 m from a distance of x 7 meters away as shown in the diagram to the left. The maximum height of the ball's trajectory is ymax 3.2 meters above the top of the roof. Standard Exercise Roof Toss Standard Exercse Cliff Toss 1) Find the required initial vertical component of the velocity, V vy 0 m/s Submit Help 2) Find the time for the ball to...
PRACTICE IT Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.00 to the horizontal and with an initial speed of 19.0 m/s. The point of release is h = 46.0 m above the ground. (a) How long does it take for the ball to hit the ground? 4.183 (b) Find the ball's speed at impact. 35.532 m/s (c) Find the horizontal range...
Question3 A baseball player throws a ball in the air with an initial speed of 50m/s at an angle of 30 degrees above the horizontal. What is the vertical component of the ball's initial velocity assuming up is the positive direction? Select the correct answer CHECK ANSWER 0 of 1 attempts used LAST ATTEMPT! O +43.3 m/s O -25 m/s O +50 m/s O -43.3 m/s O +25 m/s
Ex 1 A ball is thrown upwards with the velocity and the angles shown in the drawing. 20 m/s 10 m/s 37" 53 10 m/s 45 10 m/s 30° Order from greater to smaller 1. The vertical component of the velocity 2. The horizontal component of the velocity 3. What is the speed of the ball when reaching the highest point of its trajectory.
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