A ball is fired at 20 degress above the horizon at a speed of 40 m/s. How far does the ball travel before landing? а. b. At what distance does the ball reach the peak height? At what time does the ball reach the peak height? С.
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The class I'm taking is physics for scientists and engineers!
I am completely stuck . please help. please post step-by-step solution to help me better understand . I have attached problem. Please view attachment before answering. Thank you!
Step by step
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- The grid runs from -5 to 5 on both axes. Drawn on this grid are four vectors, labeled A⃗ A→ through D⃗ D→. This problem will ask you various questions about these vectors. All answers should be in decimal notation, unless otherwise specified. A. What is the xcomponent of A→? B.What is the y component of A⃗ ? C.What is the y component of B⃗ ? D.What is the x component of C⃗ ? E. In ordered pair notation, write down the components of vector B⃗ F. In ordered pair notation, write down the components of vector D G.What is true about B⃗ and D⃗ ? They have different components and are not the same vectors. They have the same components but are not the same vectors. They are the same vectors.Bob has just finished climbing a sheer cliff above a level beach and wants to figure out how high he climbed. All he has to use is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher and knows that the fastest he can throw the ball is about ?0=34.1 m/s.v0=34.1 m/s. Bob starts the stopwatch as he throws the ball, with no way to measure the ball's initial trajectory, and watches carefully. The ball rises and then falls, and after ?1=0.910 st1=0.910 s the ball is once again level with Bob. Bob cannot see well enough to time when the ball hits the ground. Bob's friend then measures that the ball hit the ground ?=123 mx=123 m from the base of the cliff. How high above the beach was the ball when it was thrown?Stuck need help! The class I'm taking is physics for scientists and engineers! Problem is attached. please view attachment before answering. Really struggling with this concept. Any help will be greatly appreciated! Please detail explain so I can fully understand how to solve. Thank you so much.
- Which of the following is true for vector addition in a linear vector space? I. It is commutative. II. It is associative. III. The vector sum of two vectors each in the linear vector space is also in the same linear vector space. O I. and III. O I. and II. O 1., II., and III. O II. and III.Use Stokes' theorem to evaluate SF. dr where F = z²î + y²ĵ + xk and C is the triangle with vertices (1, 0, 0), (0, 1, 0), and (0, 0, 1). The unit vector normal is upward. Z -3 2 2 XB 3. Given the lengths of vectors A, B, and C, and the angle between A and B. Notice that A = B + С. Prove the law of cosines: |C|² = |Ã₁² + |B|² - 2|A||B| Cos 0. Then, show that if A and B are perpendicular, the law of cosines reduces to the familiar Pythagorean theorem.
- Stuck need help! The class I'm taking is physics for scientists and engineers! Problem is attached. please view attachment before answering. Really struggling with this concept. Any help will be greatly appreciated! Please detail explain so I can fully understand how to solve. Thank you so much.A football coach walks 12 meters westward, then 16 meters eastward, then 22 meters westward, and finally 6 meters eastward. For this motion, what is the distance moved? Distance (m) = Tap button at left to enter answer using our built-in number pad. |4 1 What is the magnitude and direction of the displacement? Magnitude (m) = Tap button at left to enter answer using our built-in number pad. %3D Dir'n (Tap field to change.) %3D --Hello, can you please review my work and help me to do graphs for the problems and also I need “d” problem, I can’t deal with it. Thanks for your help!
- Please Help meM Hello, i need help understanding how do you find the sin and cosine of E1 x and y along with E2 x and y. This problem is complete that im showing here please explain with this problem how you got the sin and cosine to start the problem for vector addition!!!I having a hard time trying to solve for t since there are decimals. I just dont understand how i would go about doing this. 0.2t2 + 4.997t - 200 =0 Solve for t.