HomeworkLib
Question

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 show

science   physics   
1 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Using energy conservation KA+P = Kg +P3 K;-K = P.-Pg = mg (ha - hg) = (0.04)(9.8) (30) = 11.76 J

2 3
Add a comment
Know the answer?
Add Answer to:
13. A 0.04-kg ball is thrown from the top of a 30-m tall building (point A)...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 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...

  • Explore A baseball is thrown from the top of a tall building with an initial velocity...

    Explore A baseball is thrown from the top of a tall building with an initial velocity of 10 m/s from a height of h= 11.5 m above the ground. Find its speed when it reaches the ground (a) if its launch angle is 37°, and (b) if it is launched horizontally. Conceptualize As the baseball moves upward and to the right, the force of gravity accelerates it downward. The vertical component of its velocity decreases in magnitude until the baseball...

  • PROBLEM: A ball is thrown downward from the top of a building at an angle of...

    PROBLEM: A ball is thrown downward from the top of a building at an angle of 30.0° below the horizontal. The point of release is 49.0 m above the ground and the ball lands 67.7 m from the base of the building. (a) How long does it take for the ball to hit the ground? (b) Find the ball's initial speed. (c) the speed and angle of the velocity vector with respect to the horizontal at impact. Neglect air resistance.

  • Q16.A 50 g ball is launched at an unknown angle from point A from the top...

    Q16.A 50 g ball is launched at an unknown angle from point A from the top of a 30m tall cliff. The ball reaches a maximum height of 10m above the top of the cliff before falling to the ground at point B Neglecting air resistance, what is the change in kinetic energy from point A to point B? A) 15 J B) 12J C) 20 D)-15J E)-12J 10 30 sa

  • A ball is thrown vertically downwards with a speed 7.3 m/s from the top of a...

    A ball is thrown vertically downwards with a speed 7.3 m/s from the top of a 51 m tall building. With what speed will it hit the ground, in units of m/s? Assume that air resistance is negligible Glue the answer as a positive number

  • A baseball is thrown from the roof of 20.6 m -tall building with an initial velocity...

    A baseball is thrown from the roof of 20.6 m -tall building with an initial velocity of magnitude 12.4 m/s and directed at an angle of 55.6 ∘ above the horizontal. a) What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. b) What is the answer for part (A) if the initial velocity is at an angle of 55.6 ∘ below the horizontal? c) If the effects of air...

  • A baseball is thrown from the roof of 22.8 m -tall building with an initial velocity...

    A baseball is thrown from the roof of 22.8 m -tall building with an initial velocity of magnitude 10.3 m/s and directed at an angle of 56.8 ∘ above the horizontal. A)What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. B) What is the answer for part (A) if the initial velocity is at an angle of 56.8 ∘ below the horizontal? c)If the effects of air resistance are...

  • 15. A ball is thrown down from the top of a building with an initial velocity...

    15. A ball is thrown down from the top of a building with an initial velocity of 25 m / s. If it hits the ground after 2.0 s. How tall is the building, assuming air resistance is not considered?

  • A ball is thrown horizontally from the top of a 60.0-m building and lands 110.0 m...

    A ball is thrown horizontally from the top of a 60.0-m building and lands 110.0 m from the base of the building. Ignore air resistance. (a) How long is the ball in the air? (b) What must have been the initial horizontal component of the velocity? (c) What is the vertical component of the velocity just before the ball hits the ground? (d) What is the velocity (including both the horizontal and vertical components) of the ball just before it...

  • A baseball is thrown from the roof of a 30.0-m-tall building with an initial velocity of...

    A baseball is thrown from the roof of a 30.0-m-tall building with an initial velocity of magnitude 17.0 m/s and directed at an angle of 53.1° above the horizontal. (a) What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. m/s (b) What is the answer for part (a) if the initial velocity is at an angle 53.1° below the horizontal? m/s

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT