Position (meters) 70 60 50 40 30 20 10 0 0 5 10 15 20 25 Time (seconds) 30 35 40

Q: A motorist drives north for 35 minutes at 85 km per hour and then stops for 15 minutes. He then…

A: Given: The speed of the motorist in the first go is 85 km/h. The time duration is 35 min. The…

Q: Sketch a velocity versus time graph for the motion using backwards as the positive direction and…

A: For the velocity vs time graph, we need to calculate the required data from the given…

Q: Starting at x = - 18 m at time t = 0 s, an object takes 15 s to travel 41 m in the +x direction at a…

A:

Q: A group of hikers walks 2.0 km North and then 4.0 km West. The entire hike takes 4.0 h.  (a)  Draw…

A: Given data:  Displacement (d1) = 2.0 km, North Displacement (d2) = 4.0 km, West Total time (t) = 4.0…

Q: The graph below shows the velocity versus time for a bullet as it is fired from a gun, travels a…

A:

Q: From the ground, a ball is thrown straight up with an initial velocity of 13.9 m/s. Find the maximum…

A: given that ,From the ground, a ball is thrown straight up with an initial velocity of u =13.9 m/s.…

Q: (Figure 1) shows the velocity graph of a particle moving along the x-axis. Its initial position is…

A: The initial velocity of the particle can be determined as v0 = 6.0 m/s from the given figure. Now…

Q: Finally, find the average velocity over the whole time interval shown in the graph. Express your…

A: Various things contribute to describing motion like velocity, displacement, acceleration, etc. We…

Q: Figure below shows the velocity graph of a particle moving along the x-axis. Its initial position is…

A: Given,  Initial position of the particle is x0 = 14 m at t0 = 0 s. From the given graph: We get:…

Q: Determine the object’s instantaneous velocity at time, t = 3 seconds Determine the object’s average…

A:

Q: If it takes a horse 175 seconds to make 3.00 laps around a horse track (each lap is equal to 1.00…

A: Average velocity  V = distance covered/time.   V= r/t.

Q: How far does the runner, whose velocity versus time graph is shown in the Figure, travel in the…

A:

Q: An object on a number line moved from x = 12 m to x = 124 m andmoved back to x = 98 m. The time…

A: Given,  Initial position of the object = X1 = 12 m Then the object moved to position 2, X2 = 124 m…

Q: A particle starts at the origin (x = 0) and moves in one dimension. The figure shows the velocity of…

A:

Q: Draw the a-t,v-t, s-t graph of a particle that has a constant acceleration of 9m/s2 for 6 seconds…

A:

Q: At time t-0, the initial position of an object is -0.67 m. Three seconds later it is at position…

A: We know that velocity ,V=Dt calculating V1  V1=-0.17--0.63V1=0.43V1=0.13 m/s Calculating V2…

Q: nction of time. Various 6- 4. 2- 4. -2. 12 16 20 -6- 8.

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: time

A: Given position vs time graph

Q: The figure shows a distance versus time graph for an object. d

A: slope of distance vs time curve gives  velocity

Q: Starting at x = - 17 m at time t = 0 s, an object takes 17 s to travel 55 m in the +x direction at a…

A:

Q: Velocity (meters per second) 10 C LO 0 5 10 15 20 Time (seconds) What conclusion can be drawn about…

A:

Q: The following graph represents the acceleration vs. time curve of an object moving along the x-axis.…

A:

Q: The kinematical graphs of a person riding her bicycle are shown below. Time is measured in second,…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Your favorite car goes zero to 60 mph in 3.5 seconds. Assuming it accelerates uniformly, sketch a…

A: Assume car to be travelling in straight line. Let u be the car’s initial velocity, v be the car’s…

Q: In this graph of displacement versus time, what is the average velocity in going from point B to…

A: Average velocity = (final position - initial position)/time taken  Final position (point J) =1m…

Q: Find the average velocity over the time interval from 15 to 30 seconds. Express your answer to three…

A:

Q: Chris is holding two softballs while standing on a balcony. She throws ball 1 straight up in the air…

A: Velocity -time graph of ball 1  Ball 1 is moving up from a height with an initial velocity u and an…

Q: According to the position vs. time graph, a motorist drives his motorbike in a straight line. What…

A: Given data:  From graph  Initial position at t = 3s x0 = 16 m Final position at t = 6s x = 36 m…

Q: A kicker kicks a football upward from the ground at an initial velocity of 63 feet per second. The…

A: Given: u=63ft/s, d=70ft (a) The trajectory of the football is found by : h=ut+12gt2 At the highest…

Q: Your favorite car goes zero to 60.0 mph in 5.00 seconds. Assuming it accelerates uniformly, sketch a…

A: Assume car to be travelling in straight line. Let u be the car’s initial velocity, v be the car’s…

Q: A person gets in an elevator on the ground floor and rides it to the top floor of a building. Sketch…

A: The graph for the velocity versus time for the motion of an elevator motion is given below:

Q: The velocity as a function of time for a world-class track sprinter in a 100 m race is shown in the…

A:

Q: car starts from rest and accelerates to a speed of 60 mi/h in 20 s.  The acceleration during this…

A:

Q: Shows a motion diagram with the clock reading (in seconds) shown at each position. From t = 9 s to t…

A: From t=0s to t=9s, the distance covered by the object in each second decreases. This implies the…

Q: Compute your  Average velocity in the following two cases: (a)  You walk 61.4 m at a speed of 2.47…

A: Part (a): Given,

Q: Jack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 148.7 s…

A:

Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: Given : Distance traveled south = 40 km Distance traveled back north = 15 km Total distance traveled…

Q: Brandi walks 1.90km east to Sam house in 17.0 minutes. They walk together back toward the west…

A: distance moved by brandi towards the sam's house = 1.90 km (in east direction) time taken to reach…

Q: The equation for the motion of an object with constant acceleration is d= do + vt + at, where d is…

A: For car, Initial position, dc0 = 0 mInitial velocity, uc0 = 0 m/sAcceleration, a = 4 m/s2 For bus,…

Q: For the following function models the position s(t)s(t) of an object moving along a stright line,…

A:

Q: The following graph depicts the velocity of someone playing tag over a short period of time. Use…

A: "Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.