3. -4 points My Notes+ Ask Your Teach To find the height of an overhead power...
1. To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.80 s, and passes it again on the way down 1.2 s after it was tossed. (a) What is the height of the power line? (b) What is the initial speed of the ball?
5. (-/6 Points) DETAILS SERPSE 10 4.6.P.033 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A farm truck moves due east with a constant velocity of 14.50 m/s on a limitless horizontal stretch of road. A boy riding on the back of the truck throws a can of soda upward (see figure) and catches the projectile at the same location on the truck bed, but 19.0 m farther down the road. (a) In the frame of reference of the truck, at...
My Notes Ask Your Teacher 1. -14 points A volcano launches a lava bomb straight upward with an initial speed of 21 m/s. Taking upward to be the positive direction, find the speed and direction of the lava bomb after the following amounts of time have elapsed (a) 1.1 seconds m/s (speed) m/s (velocity) (b) 3.2 seconds m/s (speed) m/s (velocity)
You throw a ball straight upward with an initial speed of 12 m/s. What is the objects acceleration on the way up and on the way down? Calculate the maximum height the ball can reach. What is the total flight time of the ball?
10. + 0/2 points Previous Answers SerPSE10 4.A.P.046. My Notes Ask Your Teacher An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which the bounced ball leaves the ground is the same as the angle at which the outfielder threw it as shown in the figure, but that the ball's speed after the bounce is one-half of what...
it is not A or C, I have already tried those My Notes Ask Your Teadc You throw a ball vertically upward. The ball moves up, reaches its highest point, and finalily falls down. which of the following graphs best represent the ball's acceleration and velocity vs. time during the process? Ignore air resistance 0/1 points 1 Previous Arswers Time ime Time
3 -45 points SAigTrig4 1.4.085 0/3 Submissions Used Notes Ask A ball is thrown straight upward at an initial speed of vo 40 t/s. (Use the formula h--16+vot. If not possible, enter IMPOSSIBLE.) (a) When does the ball initially reach a height of 24 ft? (b) When does it reach a height of 48 t? (e) What is the greatest height reached by the ball? ft (d) When does the ball reach the highest point of its path? (e) When...
10. 1 points SPreCalc7 7.3069.M My Notes Ask Your Teach Find the value of the product. cos(37.5°sin(7.5°) 11. -1 points SPreCalc7 7.3.071 My Notes Ask Your Teach Find the value of the sum. cos(285°) cos(165°) Eimo em" Need Help? 10. 1 points SPreCalc7 7.3069.M My Notes Ask Your Teach Find the value of the product. cos(37.5°sin(7.5°) 11. -1 points SPreCalc7 7.3.071 My Notes Ask Your Teach Find the value of the sum. cos(285°) cos(165°) Eimo em" Need Help?
2-3 2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches home plate at a speed of 49.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 58.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.40 ms. What is the average vector force the ball exerts...
You throw a ball straight up, and it reaches a height of 22 m above your hand before falling back down. What was the speed of the ball just after it left your hand? m/s