A woman starts from her home at 9.00 am, walks with a speed of 7 km h-1 on a straight road up to her office 3.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of 30 km h-1. Choose suitable scales and plot the x-t graph of her motion.

Q: A beetle walks along the ground going to the east at 0.200km/hr  for 1.000min., then he stops and…

A: Given data: The speed at which the beetle moves for the first t1 time, v1=0.200 km/hr. The time…

Q: The coordinate of an objec is given as a function of time by.x(1)=7t-3t2, where in meter and t in…

A: Given, Position, x(t)=7t-3t2

Q: The displacement of a particle is given by s = 4t3-70t2 + 112t-34 where s is in feet and t is in…

A: Given: s=4t3-70t2+112t-34 ft

Q: A jet plane travels a distance of 1 .53 x 103 km, in 1.0 h and 28 min. Determine the speed of the…

A:

Q: An object's position as a func of time is given by ; x(t) = - 200 (( t + 1 ) ^ - 1) + 6t^2.  (Assume…

A:

Q: A motorist drives north for 32.0 minutes at 80.5 km/h and then stops for 15.0 minutes. He then…

A: We know that:

Q: A baseball is thrown straight down from a height of 38 meters. If the ball strikes the ground at 30…

A: Given data: Height (h) = 38 m Final velocity (v) = 30 m/s, downward g = 9.80 m/s2 Required: Initial…

Q: A car moves on a circular track of radius 142.41 meters and accelerates uniformly from a speed of…

A:

Q: A car moves north 35 sec, velocity 85 km/hr, then stops for 15 sec, then continues to move north,…

A: The answer is below

Q: A vehicle travels on a straight stretch of road. Its position coordinate x (km) measured from a…

A: Given data The position coordinate is x = 4t3+21t2+18t+4 The duration of travelling is t = 1 hr   On…

Q: The coordinate of an object is given as a function of time by x(1)=7t-312, where.x in meter and t in…

A: It is given that, x(t)=7t-3t2

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: the motion of the particle is described by the equation x(t)=at^3-bt^2. where a is 3.36 in m/s^3 and…

A:

Q: An object's position in the x-direction as a function of time is given by the expression; x(t) =…

A:

Q: This is a practice problem that I'm pretty sure I got correct. I got that she rode 3388 meters on…

A: Given that:During first part of trip:Distance of first trip is given by:During second part…

Q: A space object is launched into the atmosphere at a constant velocity of 30 mi/s. A resident stands…

A: Given data: The initial speed of object is u=30 mi/s. The distance of launching pad is x=60 mi. The…

Q: (a) Calculate the height (in m) of a cliff if it takes 2.11 s for a rock to hit the ground when it…

A: Time taken to hit the ground, when the rock is thrown straight up from the cliff, t=2.11 s Initial…

Q: An object's position in the x-direction as a function of time is given by the expression; x(t) =…

A:

Q: Compute your average velocity in the following two cases: (a) You walk 90.4 m at a speed of 1.98 m/s…

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Q: A swimmer who can consistently keep the same pace to cover 50 meters in 7.71 seconds sets out to…

A: The height h=50m  Time t=7.71s  To find the actual speed of the swimmer

Q: An unidentified flying object (UFO) is observed to travel a total distance of 29000 m, starting and…

A: Total distance travelled (D) = 29000 m Total time of trip (T) = 1.61 seconds Initial speed (u) = 0…

Q: The distance s(t), in meters, is given as a function of time, in seconds, below.…

A:

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: A girl swims the length of a pool and back in 28.0 s.The pool is 21.6 m long, and the girl's speed…

A: It is given that length of pool is 21.6 m and girl takes 28 sec to take one full lap ( A point to B…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: An object's position as a func of time is given by ; x(t) = - 200 (( t + 1 ) ^ - 1) + 6t^2.  (Assume…

A: Given,x(t) = -200 ((t+1)-1)+6t2t = 3 s

Q: From January 26, 1977, to September 18, 1983, George Meegan of Great Britain walked from Ushuaia, at…

A: Basic Details The average velocity is the ratio of total distance covered to that of the total time…

Q: An unidentified flying object (UFO) is observed to travel a total dist starting and ending at rest,…

A:

Q: You are instructed to travel 12.0 m and then 10.0 m. You use these instructions such that your…

A: TOTAL DISTANCE TO BE TRAVELLED IS   12.0 + 10.0 = 22.0 m given that distance D from initail point is…

Q: where t is the number of seconds since observations began. 11. During the time interval from t = 0…

A:

Q: An object moves along the x-axis so its x-coordinate obeys the equation x=at² + bt+c, where a = 11,…

A:

Q: Question 6 3 pts At t = 0, a car is going 9 ft/s and is 259 ft from the start of the road. The…

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Q: From a building of height h = 22.5 m an object is thrown upward with speed v0 = 9.1 m / s. Evaluate…

A:

Q: A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 2.20 x 1015 m/s²…

A: Initial speed of proton (u) = 2.00 × 107 m/s  Acceleration of proton (a) = 2.20 × 1015 m/s  Distance…

Q: Pedro is driving a motorcycle along Espana boulevard. His position X (in meters) at any given time t…

A: Pedro's position is given by, xt=1.124t2+6.022 Pedro's initial position will be when t=0.…

Q: The motion of a particle is governed by a relation a = 2t squared, where acceleration (a) is in ft…

A:

Q: A car accelerates with a constant acceleration of 1.2 m · s-2 along a long straight road. How long…

A:

Q: A train accelerates uniformly from rest at station A to a maximum speed of 72 km/h. The constant…

A: Using the kinematic equation, for the accelerating part the final velocity v=u+at   Substitute, 20…

Q: The speed of an object as a function of time is given by the following equation: v² = (6) e What is…

A: We know, acceleration (a) is rate of change of velocity oe speed (v) a=dvdt

Q: A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10…

A: The distance traveled in the original direction is given by: distance = speed x time = 640 mi/h x…

Q: is on a street that has a posted speed limit of vm=75 km/hr and is traveling above the speed limit…

A: GivenSpeed limit, vm=75 km/hSpeed of driver above speed limit, vc=28 km/hDistance between driver and…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –