A juggler throws a bowling pin straight up with an initial speed of 9 m/s from an initial height of 3.3 m. How much time elapses until the bowling pin returns to the same initial height?
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- Hello. I am working on a problem with motion. The questions asks me to calculate the maximum height (h1), total time (t2), and speed of a ball right before it hits the ground. The question states that A person is throwing a ball upward into the air with an initial speed Vo = 10m/s. Assume that the instant when the ball is released, the person's hand is at a height ho = 1.5m. The speed of the ball at its peak height is zero, and the question needs to be solved in ascending part and descending part. I don't understand how to solve for the maximum height. What is the correct formula to use and why? For other questions like this, I will be able to solve them if I know the formulas for the ascending of the ball and the descent of the ball as well as the explanation. Thank you. For the sake of the question, the ball is being thrown straight up.A girl is standing at the edge of a cliff 100. m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed 8.00 m/s. a) How long does it take the rock to hit the ground? b) What is the speed of the rock the instant before it hits the ground? Please type answerDong and Rigo are playing their slingshot, both of them shot a pebble vertically upward. Rigo shot after Dong, but while the Dong’s pebble is still on its way up. The initial speeds are such that both pebbles reach their maximum height at the same instant, although these heights are different. Suppose that the initial speed of the Dong’s pebble is 40.6 m/s and that Rigo’s pebble is shot 1.25s after Dong’s, determined the initial velocity of the Rigo’s pebble.
- A girl is standing at the edge of a cliff 100. m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed 8.00 m/s. a) How long does it take the rock to hit the ground? b) What is the speed of the rock the instant before it hits the ground?Problem 1 A cannon ball on the ground is fired at 35 with an initial velocity of 250 m/s. a. How long will it take to hit the ground? b. How far from the cannon ball will it hit the ground? c. Compute for maximum height to be reached by the cannon ball. Given: V. - 250 m/s 35 g- 9.8" Solution: a. The time of flight of the cannon ball 2v, sin 500m/s(sin 35°) 500m/s(0.57) _ 28Sm/s = 29.08s 9.8m/x 9.8m/s 9.8m/s b. The range of the cannon ball v, sin 0 (250m/s) 2 sin 35° 62500m2/s 2(0.57) 9.8m/s R 9.8m/ s 62.500m /s(0.9397) 58,730.79m /s? 9.8m/s 5,992.94m 9.8m/s c. The maximum height that the cannon ball reached v sin 0 (250m/s)²(sin 35")(sin35") 62.500m /s²(0.57) 2(9.8m/s) Утах 28 19.6m/s 62,500m² /s²(0.32899 20,561.87m /s- 1,049.08m 19.6m/s 19.6m/s This time, it's your turn to solve the next problem. Problem 2 An arrow is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal. 10 a. How long will it take to hit the ground? b. How far from the…Sarah is driving on a freeway in a forest at 13.0m/s when suddenly a deer runs in front of her and stands still out of fright. The deer is 20.0m in front of Sarah when she steps on the brakes with a deceleration of magnitude 4.59 m/s2A) Find the stopping distance of Sarah. Does she hit the deer? Give support to your explanation.B) How long (how much time) does it take Sarah to travel half of the stopping distance in part (a)?
- sally gets into an air ballon an initial speed y=0ant time t=0 the balloon immediately ascends with an upward constant velocity of 2.2m/s. sally realizes she forgot her camera and gives a hand signal to her friend Alexis who is on the ground at y=0, to throw her camera up to her. 5.0 s after the ballon with sally is in it has lifted off the ground. Alexis throws the camera vertically up with an initial velocity of +20.0 m/s. a) At what time after Alexis throws the camera does the camera first reach sally. b) what is the height of the ballon from the ground when the camera first reaches.You throw a tennis ball straight upward. The initial speed is about 12 m/s. A)How long will it take for the ball to reach its maximum height? B)What is the maximum height that the ball will reach? The initial position of the ball is at the height y0 = 0 m.A student releases a marble from the top of a 190 cm ramp. The marble increases speed steadily and reaches the bottom of the ramp in 2.9s. What is the magnitude of the velocity and what is the marble's final speed?
- Question 1: #70 A rock is tossed straight up with a speed of 20 m/s. When it returns, it falls into a hole 10 m deep. a. What is the rock’s velocity as it hits the bottom of the hole? b. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?A ball is thrown straight up from the edge of the roof of a building. A second ball is dropped from the roof a time of 1.00 s later. You may ignore air resistance. I. If the height of the building is 20.3 s, what must the initial speed be of the first ball if both are to hit the ground at the same time? (Express your answer in meters per second) II. Consider the same situation, but now let the initial speed v0 of the first ball be given and treat the height h of the building as an unknown. What must the height of the building be for both balls to reach the ground at the same time for V0 = 8.70 m/s. (Express your answer in meters.) III. If V0 is greater than some value Vmax, a value of h does not exist that allows both balls to hit the ground at the same time. Solve for Vmax. (Express your answer in meters per second) IV. If V0 is less than some value Vmin, a value of h does not exist that allows both balls to hit the ground at the same time. Solve for Vmin. (Express your answer in…A student drops a ball from a height of 37.0m. If the ball increases speed at a uniform rate of 10.0m/s2, determine all unknowns and answer the following questions. How long did the ball remain in the air? What was the ball's speed just before striking the ground? m/s