particle moves along a straight line with a velocity in millimeters per second given by v = 356-18t2 where t is in seconds. Calo he net displacement As and total distance D traveled during the first 5.1 seconds of motion. Answers: As = D= i i m m
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- A stone is thrown veltially upwards at 245 on the level with but just beyond above Hhe ledge (t) sec Later 2) Se Prom a pont cliff lelge. Its height O Find its height and velocit, after 1,2,3 and 6sec @ Find the total distance moved during the 3rd Sec. bu 818MOTION IN TWO DIMENSION = 30.0 m/s 20.0° (**)m A projectile is thrown from (##) = 8.1 meters above the ground. With initial velocity of 30 m/s and 20 degrees above the horizontal. Find the horizontal displacement, x. Select one: O a. 60.9562 m Ob. 91.4343 m Oc. 76.1953 m Od. 38.0976 mChase, from the Paw Patrol, decides to drive 25 km [N] and then 45 km [W32N]. Determine Chase's... a) displacement b) speed
- = 3.98 m to the north, A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d₁ d₂ = 2.06 m northeast, and d3 = 1.16 m at 30.0° west of south (see the figure below). Starting at the same initial point, an expert golfer could make the hole in what single displacement? magnitude direction WE S m o north of east d₂ d₁ 30.0° dzSir Fabro Wants to subtract the position dis placement vectrs. The 2. magnitude of the two vectors 6= 30m at 240°. Deter mine A= 50m, 40° North of East the mag nitu de (R) of the resultant rectors are and difference (R= A- B) and the direction (O8) with the tx - axisDouglas rows a boat upstream (against the flow of the river) for 45 minutes. He turns around and rows downistream (with the flow of the river) to his starting pointing, taking only 30 minutes to return. Douglas' speed upstream is 3 kilometres per hour less than his speed downstream. What is his speed when rowing the boat upstream? O a. 5 km/hr Ob. 9 km/hr Oc 6 km/hr Od. 7 km/hr O e 8 km/hr