When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered? a) 10 units b) 5 units c) 7 units d) 15 units
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When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?
a) 10 units
b) 5 units
c) 7 units
d) 15 units
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- #10) Use the below graph of x-position as a function time to answer questions (A - D): X-Position (m) 5 4 3 -1 -2 -3 x-Position as a function of Time 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 Time (s) (A) What is the average velocity for the object in the x-direction between t = 0.75 s and t = 3.50 s? (report your answer to 3 sig figs) (B) Draw a solid line on the graph that supports the above calculation done in part (A). Turn this sheet in with this line drawn on it. (C) Graphically determine what is the best determination for the instantaneous velocity for the object at t = 1.00 seconds (report your answer to 3 sig figs). (D) Draw a dashed line on the graph that supports the above calculation done in part (C). Turn this sheet in with this line drawn on it.An object located at ?⃗0 = (1, 1) ? is displaced by Δ?⃗01 = −2?̂ − 5?̂ ? The object is then displaced by Δ?⃗12 = 3?̂ + 2?̂ ? a) Draw a picture b) What is the final position (?⃗2) of the object? c) How far did the object travel during each displacement? (?: 5.39 ?; 3.61 ?) d) What is the total distance travelled by the object? (?: 9 ?) e) How far did the object end up from where it initially started?(?: 3.16?)Mass m of the object: A. It is the property of the object defined as its resistance to be moved and is conserved B. Is a scalar quantity with the unit (SI System): [kg] C. Changes, depends on the object’s location D. Only A. and B. are correct
- < Question 9 of 20 Bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground with a long measuring tape. Bob is a pitcher, and knows that the fastest he can throw the ball is to = 91.0 mph. Bob starts the stopwatch as he throws the ball (with no way to measure the ball's initial trajectory) and watches carefully. The ball rises and then falls, and after f₁ = 0.910 s, the ball is once again level with Bob. Bob cannot see well enough to time when the ball hits the ground. Bob's friend then measures that the ball landed a distance of x = 332 ft from the base of the cliff. How high up is Bob if the ball started from exactly 5 ft above the edge of the cliff? height of the cliff: 5 fi TOOLS x1014- 12니 E 10 8. 6. 4 21 F 10 12 14 16 18 20 6. Time (hours) The total distance travelled is km. The net displacement is km. displacement at t=18 hrs is km The distance between points E and F is km. The displacement between points E and F is km Distance (km)ax (m/s/s) 6 4 N O -2 -4 0 2 4 6 8 t(s) 10 12 14 16 A motorcycle starts from rest and accelerates as shown in the figure. a) Determine the motorcycle's velocity at t = 14 S. Submit Answer Tries 0/10 b) Determine the net displacement in the first 14 s. Submit Answer Tries 0/10