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- An animal lover throws a bag of peanuts to a squirrel in a tree which is 22m away with a speed of 20m/s at an angle of 30o from the horizontal. The squirrel catches the bag. How high above the ground is the squirrel?H.W: A ball is thrown with an initial speed vat an angle e below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the hase of the building. Find v, and e Ans. 8 = -37.32v, = 20. 1m/sSofia is playing a game with her friend, Kara, where she throwsM&M candies at Kara and Kara catches the M&M’s in hermouth. They begin standing 1.75 meters apart from eachother. Sofia throws the M&M at an angle of 60 degrees abovethe horizontal with a speed of 4.13 m/s. Kara’s mouth is145 cm above the ground when she catches the M&M. Whatheight above the ground did the M&M leave Sofia’s hand?Hint: Remember, even though the motion in the horizontaldirection is independent of the motion in the vertical direc-tion, they share the same time.
- 6. A ball is thrown horizontally from the top of a building 110 m high. The ball strikes the ground at a point 65 m horizontally away from and below the point of release. What is the speed of the ball just before it strikes the ground? a. 14 m/s b. 23 m/s c. 36 m/s d. 49 m/s e. 61 m/s1) At the Blue Jays game, R. A. Dickie (height = 1.2m) throws a baseball straight in the air %3D (140g) with 95N of force for 30cm. a. What is the speed of the ball 2.4 m above the ground? b. What is the maximum height of the ball (assuming no air resistance)?QUESTION 21 12 poi A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v; = 10.0 m/s. The cliff is h = 19 6 m above a flat, horizontal beach as shown in the figure. (g-9.8m/s-) (a)How long after being released does the stone strike the beach below the cliff? Answer (b) How far does the stone land on the beach from the base of the cliff (horizontal distance)? Answer. Sav Save All Answers Chck Save aia Subnlit to s ue and submit. Click Save Al Answers to save all answers.
- A TI Yo Ac As Inv Eva Knc need to: 1. Ignore air resistance when answering all parts of this question. a. A golf ball is hit at 60.0° to the horizontal with an initial velocity of 1.50 x 102 ms¹. It lands at the same height from which it is hit. i. Show that the initial vertical velocity of the ball is 1.30 x 102ms¯ (1) 1/2 ii. Find the time of flight of the golf ball. iii. Calculate the range of the ball. KA1 (1) KA2 (3) KA2 (2) b. A baseball is hit at the same angle and initial speed as the golf ball in part a. However, its initial height is 1.3m above the ground. Explain why the baseball will travel further than the golf ball from part a.At the Blue Jays game, R. A. Dickie (height = 1.2m) throws a baseball straight in the air ( 140g) with 95N of force for 30cm. a. What is the speed of the ball 2.4 m above the ground? bWhat is the maximum height of the ball (assuming no air resistance)?2. An object is initially suspended at the height yo = 200 m above the surface of the Earth and at time to = 0 it is hurled downwards, with initial velocity -10 m/s. Neglecting air resistance, write an IVP for the object's velocity and solve it. Use g = 9.8.
- A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 6.7 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air.How far from the end of the ramp does the skateboarder touch downHow high does a rocket go if 8.45 km/skm/s ? Ignore air resistance and the Earth's rotation.A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 7.3 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down?