Larry, who is capable of throwing a ball 28 m/s, throws a ball at his maximum speed in the positive direction while standing on a platform travelling at +20 m/s relative to the ground. Evaluate the following immediately after he throws the ball (B=ball, P=platform, G=ground): VPG • VBP %3D VBG
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- V:EE IAr O O MOEO O 40all OMANTEL B/s Two stones A and B are thrown الوقت المتبقی 0:28:42 aneously from the two buildings of height 10 m and 20 m, respectively as shown below. Stone A is thrown with an initial speed of 10v2 m/s at an angle of 45 degrees with horizontal, while stone B is thrown horizontally with speed 10 m/s.lf they hit each other in air at t = 1s, then the distance d between the :buildings is 10m/s 10V2m/s 45° 20m 10m إختر أحد الخيارات m 7.0 a m 20 .b m 15 .c m 3.0 dAlpQLSedOPxDLVWCE4srhjam4NjXYApU7IkAnM1LjGKTm-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 balltAs you hurry to catch your flight at the local airport, youencounter a moving walkway that is 61 m long and has a speedof 2.2 m>s relative to the ground. If it takes you 49 s to cover61 m when walking on the ground, how much time will it takeyou to cover the same distance on the walkway? Assume thatyou walk with the same speed on the walkway as you do on theground.
- A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 19.0 m/s. The cliff is h = 42.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? sWith what speed and angle of impact does the stone land? m/s ° below the horizontal1112. Boat A moves with a constant velocity of 20 ft per sec, starting from the position shown in Fig. P-1112. Find 0 in order for the projectile to hit the boat 5 see after starting, under the conditions given. How high is the hill above the waterA baseball is hit with a speed of 26 m/sm/s at an angle of 45.0∘∘ . It lands on the flat roof of a 13.0-mm-tallnearby building.If the ball was hit when it was 1.0 mm above the ground, what horizontal distance does it travel before it lands on the building?
- from two towns d = 24 km apart. Josh rode at Vj = 25 km/h, and Mike at um = 15 km/h. The moment they start, a fly also starts from Josh towards Mike and after reaching Mike, immediately returns towards Josh. The fly continues back and forth motion between the cyclists till the cyclists meet. Air speed of fly is Uf = 30 km/h and the wind blows always towards Mike with a constant velocity u = 10 km/h. Find the total distance s flown by the fly.An airplane releases a ball as it flies parallel to the ground at a height of ℎ=145 m as shown in the figure. If the ball lands on the ground a horizontal distance equal to the height ℎ from the release point, calculate the speed ? of the plane. Neglect any effects due to air resistance, and use ?=9.81 m/s2 for the acceleration due to gravity.Hobbyists build a compressed air powered cannon which is able to launch a pumpkin a horizontal distance of 2700 ft. Assuming no air resistance, and assuming the pumpkin is launched at ground level, what is the minimum initial speed of the pumpkin (just as it leaves the cannon) that is needed for it to reach this distance, in m/s? 294 X m/s
- Question 4: The particle travels from A to B. Identify the three unknowns and write the three equations needed to solve for them. 10 m/s 30P Question 5: a Copthe acc tion at t = 0. %3D The equation of motion of a particle started at t = 0 is given by x = 5 sin (20 t + T/3), where x is in centimetre and t in second. When does the particle %3D (a) first come to restA treasure hunter follows a map moving 25 km [N], 37 km [W 37 degrees S], 63 km [E 65 degrees S] and finally 15 km [N 17 degrees E]. If his average for the entire trip was 45 km/hr, calculate: a. The total time for the trip; and b. The average velocity of the trip