Homework Answers
Concept:- here we use the concept of
work-energy theorem for solution, 
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Q16.A 50 g ball is launched at an unknown angle from point A from the top...
Q12. Consider the two vectors shown Complete along vector A is A) equal to zero. B)...
Q12. Consider the two vectors shown Complete along vector A is A) equal to zero. B) larger than B C) equal to B. D) smaller than B E) perpendicular to vector B the following statement: The component of vector B equilibrium position, spring constant, k-64 Nm. What will be the imitial speced of the ball when it release from the spring? Q13. In designing a spring loaded cannon, You launch a 1.0 kg ball by compressing a spring 0.15 m...
13. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A)...
13. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle above the horizontal. As shown in the figure, the ball attains a maximum height of 10 m above the top of the building before striking the ground at point B. If air resistance is negligible, what is the value of the kinetic energy of the ball at B minus the kinetic energy of the ball at A (KB - KA)?...
A ball is launched from the top of a building 80 m high at an angle...
A ball is launched from the top of a building 80 m high at an angle of above the horizontal with a speed of 63 in/s. How long does it take before the ball reaches its highest point? What is the maximum height of the ball above the ground? How long is the ball in the air before it hits the ground? How far does the ball travel horizontally before it hits the ground? What is the acceleration of the...
If you could explain step by step how you arrived to the answer. 9. A 0.04-kg...
If you could explain step by step how you arrived to the
answer.
9. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle above the horizontal. As shown in the figure, the ball attains a maximum height of 10 m above the top of the building before striking the ground at point B. If air resistance is negligible, what is the value of the kinetic energy of the ball at...
A projectile is launched from the top of a 75m-tall cliff with an initial velocity of...
A projectile is launched from the top of a 75m-tall cliff with an initial velocity of 31m/s at an angle of 42° above the horizontal. For this problem, assume that the base of the cliff is at y 0 and that the projectile starts at x 0 on a standard xy plane 1. What is the maximum height above the ground that the projectile will achieve? 2. How long will it take for the projectile to reach its maximum height?...
A ball is launched with an initial speed vo-25.0 m/s and a 50° angle from the...
A ball is launched with an initial speed vo-25.0 m/s and a 50° angle from the top of the cliff at point It takes 3.91 seconds for the ball to reach point 3. The coordinate system is given in this problem. 2. peak Vo-25.0 m/s 2 50° 50 mn | | cliff ground 4 (a) What is the numerical values of ax and ay for the ball in motion? Put down short answers without using any calculation and explanation in...
A bowling ball is launched from the top of a building at an angle of 10°...
A bowling ball is launched from the top of a building at an angle of 10° above the horizontal with an initial speed of 10 m/s. The ball lands on the ground 3.2 s after it is launched. What is the height of the building (in m)?
A ball is launched from the edge of a 60.0 m tall cliff at an angle...
A ball is launched from the edge of a 60.0 m tall cliff at an angle of 30° above the horizontal. At the highest point of its trajectory, the ball is 71.0 m above the ground. Relative to its launch point, what is the magnitude and direction of the ball's displacement when it's at the highest point of its trajectory
a bowling ball is launched from top of a building at an angle of 20 degrees...
a bowling ball is launched from top of a building at an angle of 20 degrees above yhe horizontal with an initial speed of 16 m/s the ball lands on the ground at 3.0 s after it is launched what is the height of the building
A bowling ball is launched from the top of a building at an angle of 25°...
A bowling ball is launched from the top of a building at an angle of 25° above the horizontal with an initial speed of 17 m/s. The ball lands on the ground 3.5 s after it is launched. What is the height of the building (in m)? 85.2 x You may have made a sign error in the acceleration. Note that the angle is above the horizontal, so the initial vertical component of velocity is upward, while the acceleration is...
Q12. Consider the two vectors shown Complete along vector A is A) equal to zero. B) larger than B C) equal to B. D) smaller than B E) perpendicular to vector B the following statement: The component of vector B equilibrium position, spring constant, k-64 Nm. What will be the imitial speced of the ball when it release from the spring? Q13. In designing a spring loaded cannon, You launch a 1.0 kg ball by compressing a spring 0.15 m...
13. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle above the horizontal. As shown in the figure, the ball attains a maximum height of 10 m above the top of the building before striking the ground at point B. If air resistance is negligible, what is the value of the kinetic energy of the ball at B minus the kinetic energy of the ball at A (KB - KA)?...
A ball is launched from the top of a building 80 m high at an angle of above the horizontal with a speed of 63 in/s. How long does it take before the ball reaches its highest point? What is the maximum height of the ball above the ground? How long is the ball in the air before it hits the ground? How far does the ball travel horizontally before it hits the ground? What is the acceleration of the...
If you could explain step by step how you arrived to the
answer.
9. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle above the horizontal. As shown in the figure, the ball attains a maximum height of 10 m above the top of the building before striking the ground at point B. If air resistance is negligible, what is the value of the kinetic energy of the ball at...
A projectile is launched from the top of a 75m-tall cliff with an initial velocity of 31m/s at an angle of 42° above the horizontal. For this problem, assume that the base of the cliff is at y 0 and that the projectile starts at x 0 on a standard xy plane 1. What is the maximum height above the ground that the projectile will achieve? 2. How long will it take for the projectile to reach its maximum height?...
A ball is launched with an initial speed vo-25.0 m/s and a 50° angle from the top of the cliff at point It takes 3.91 seconds for the ball to reach point 3. The coordinate system is given in this problem. 2. peak Vo-25.0 m/s 2 50° 50 mn | | cliff ground 4 (a) What is the numerical values of ax and ay for the ball in motion? Put down short answers without using any calculation and explanation in...
A ball is launched from the edge of a 60.0 m tall cliff at an angle of 30° above the horizontal. At the highest point of its trajectory, the ball is 71.0 m above the ground. Relative to its launch point, what is the magnitude and direction of the ball's displacement when it's at the highest point of its trajectory
A bowling ball is launched from the top of a building at an angle of 25° above the horizontal with an initial speed of 17 m/s. The ball lands on the ground 3.5 s after it is launched. What is the height of the building (in m)? 85.2 x You may have made a sign error in the acceleration. Note that the angle is above the horizontal, so the initial vertical component of velocity is upward, while the acceleration is...
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