6. A projectile is shot from the edge of a cliff 170 m above ground with an initial speed of 70.0 m/s at an angle of 40° below the horizontal. How much time does it take the projectile to hit the ground? X 13.5 seconds
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- AlpQLSedOPxDLVWCE4srhjam4NjXYApU7IkAnM1LjGKTm-yzjRKJohg/formResponse A plane, diving with constant speed at an angle of 30° with the horizontal, releases a projectile at an altitude of 730 m. The projectile hits the ground 5.00 s after release. What is the speed of the plane? 354 m/s O 365 m/s 132m/s O 243 m/s O 476 m/s REDMI NOTE 9 AI QUAD CAMERA Menmeraha Ali are two football players. AS Ali passes the ball to Mehmet. The velocity of the ballt1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.the court is the tennis ball when it leaves the racket? Ans: 1.83 m SUL des Bud Question 3. A marble is thrown horizontally with a speed of 19.2 m/s from the top of a building. When it strikes the ground, the marble has a velocity that makes an angle of 39° with the horizontal. From what height above the ground was the marble thrown? Ans: 12.33 m lage vob Y Question 4. A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 640 the hullot strikes the target.
- A lizard kicks a ball with an initial velocity of 10 m/s at an angle of 35º with the horizontal. What is the maximum height of the ball?A soccer player kicks a ball 30.0 meters toward the goal, the ball just passes over the goal at 2.4 meters above ground at an angle of 40degrees. What is the initial speed of the ball if it just passes over the goal?A student ires a canonball with a speed of 35.0m/s from a height of 50.om/s at an angle of 62 degrees. How long did the ball remain in the air ? How far from the base of the building did the ball land? How fast was the ball moving as it struck the ground?
- Cuban tree frogs are skilled jumpers. They can launch themselves at 4.5 meters per second at an angle of 26o above horizontal. Assuming the frog is jumping on level ground, what is the maximum height above the ground that the frog will achieve? 0.95 m 1.2 m 0.20 m 0.61 mIn frustration, Jimmy Alapag threw the ball with a velocity of 20.0 m/s at an angle of 45° above thehorizontal. What was the maximum range that the ball reached?A cannonball is shot with an initial speed of 30.0 m/s and 25.0º angle above horizontal from a height of 12.0 m. How far can the cannonball go horizontally when it lands on the ground, in meters? Use g = 10.0 m/s2. (Hint: Clearly label quantities along x- and y- components and write down all steps.) inknow the answer is 89 but I need the steps
- A tennis player hits the tennis ball at a distance of 10 m from the net. The ball is hitat a height of 1.2 m above ground so that it starts moving with a velocity of 30 m/s ina horizontal direction (parallel to the ground). The height of the net is 90 cm. What is the angle the tennis player has to hit the ball so it will just clear thenet?An arrow leaves its bow with a velocity of 35 m/s. (a) what angle should it leave the bow in order to strike a target 50m away. (b) in how many seconds will it hit the target (c) what is the highest point of its trajectory ANS. (a) 11.8° (b) 11.48m (c) 2.61 mA father demonstrates projectile motion to his children by placing a pea on his fork's handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 7.39 m/s at an angle of 85.0° above the table. With what speed (in m/s) does the pea strike the ceiling 1.90 mabove the table?