A doctor leaves her house and walks along the sidewalk towards the hospital. After 3mins, it starts to rain and finds shelter before returning home. Her distance from her house as a function of time is show in the figure below. At what moment in time is her velocity constant and positive? A. t= 1min B. t= 5min C. t= 4min D. t= 7min

Q: How fast is the ball right before it strikes the ground?

A: a. The displacement of the ball is 5.00 m. therefore, s=ut+12at2u=0,a=gs=0t+12gt25.00 m=+1210…

Q: 18. A car starts from rest and travels in a straight line with a constant acceleration of 7.00…

A: The acceleration of the car,

Q: A rocket is launched with an acceleration given by a(t)=2tj, where t is time in seconds. Find the…

A: Since acceleration is only in 'y' direction => ax = 0 => vx = v0x = 5 m/s Now for motion in y…

Q: In the lab you explored how a lioness can catch a gazelle despite the fact that the lioness' top…

A:

Q: i. A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 17 m…

A: Distance travelled by the ball = 17m Total time upto hear the sound = 3.20s  Speed of the sound =…

Q: A person is moving upward in a high-rise office building using an elevator with an initial speed of…

A:

Q: v (m/s) a) What is the initial velocity of the object? 61 5 b) What is the average velocity during…

A: Scenario: A particle is moving as shown in v/t graph.

Q: A stone is thrown straight upward with a speed of 20 m/s. It is caught on s way down at a point 5.0…

A:

Q: Which of the following describes an object with a negative acceleration and a positive velocity?…

A: According to bartleby's policy, I am allowed to answer only one question at a time, please post the…

Q: Graph. In a position vs. time graph, what quantity of an object describes the slope of a line…

A: 1) average velocity :  V = ∆x∆t  V = ∆x∆t= x2-x1t2-t1

Q: 2.8 CALC A bird is flying due east. Its distance from a tall build- ing is given by x(t) = 28.0 m +…

A: Given the time depend distance x(t). If we take first derivative of x(t) then we will get…

Q: As part of an exercise program, a woman walks south at a speed of 2 m/s for 60 minutes. She then…

A: Given: The intial velocity of the object is 2 m/s in the south for 60 minutes. The distance traveled…

Q: A stone is dropped from a top of the building and hits the ground below after 3.25s. A. How high is…

A: (a) How high is the building?

Q: A ball was thrown vertically upward with an initial speed of 96 m/s. A. How high did it rise? B.…

A:

Q: A cargo ship makes a short run between two docks: one in Mock Town. The other is in Logue Town. As…

A: Given data: Initial velocity (v0) = +7.4 m/s Final velocity (v) = 0 m/s Time (t) = 12.3 s Required:…

Q: a. Derive the acceleration in terms of displacement. b. Derive the velocity in terms of…

A:

Q: Actual velocity data for a lion pursuing prey are shown. Estimate:a. The initial acceleration of the…

A: Given: The Actual velocity data for a lion pursuing prey are shown below,

Q: Which of the following statements is NOT true? Select one: a. If the object moves at constant…

A: Acceleration is defined as rate of change of velocity. S.I. units of acceleration is m/s2…

Q: Answer the following questions. (True or False) a. Motion and acceleration are not the same…

A: Answer the following questions. (True or False)

Q: What is the average velocity of the toy car from t = 15 s to t = 35 s?

A: At t = 15 sec , x = 4m At t = 35 sec , x = 2m Now, Vavg = ∆x/t = (2-4)/(35-15) Vavg = - 0.1 m/s

Q: Two identical cars A and B are travelling in the same direction, A 10m behind B, at the same…

A:

Q: A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 17 m long.…

A:

Q: Weddell seals make holes in sea ice so that they can swim down to forage on the ocean floor below.…

A: To Find: the speed of the diving seal. Given that seal reach a depth of 0.30 km in time of 5 min.

Q: a. What is the displacement of the ball? b. Calculate the initial velocity. C. Calculate the maximum…

A: a. As the ball is received at the same position from where it has thrown so displacement is zero. b.…

Q: 6. Jose walked 150m to the East for 5 minutes and 14 seconds, then walked 500m for 30 minutes 32…

A: Given data--- Distance  Time  150 m 5 min 14 sec 500 m 30 min 32 sec We have to…

Q: A car starts at a green light and accelerates at 6 m/s2. A truck passes through the same light at…

A: The kinematic equation of motion is given by Where u = Initial speed, a = acceleration, t = time, S…

Q: 1. A car accelerates from rest for 6 seconds with a constant acceleration of 1.5 m/s?. Find the…

A: Given  Vi = 0 acceleration ( a ) = 1.5 m/s2 We   have   to  find  out  velocity…

Q: A stone is thrown straight upward with a speed of 20 m/s. It is caught on its way down at a point…

A: Given value--- initial speed = 20 m/s. height = 5m. We have to find--- time ?

Q: s to slow down, reaching a complete stop after slowing down for 1.52 s. What was the sled s average…

A: GivenInitial speed of rocket-powered sled  toward west, u=256 m/sRocket-powered sled slowing down…

Q: Speed of a car is 50 m/s and after 10 seconds its speed is 40 m/s. Determine acceleration of the…

A:

Q: 40 30 20 B 10 C A E 6 time (s) As part of a physics lab. John graph's a car's position vs. time…

A: Given data:  From the graph Initial position at ti = 5.0 s xi = 40 m Final position at tf = 6.0 s xf…

Q: A rock is dropped from the top of a building. Rock starts from rest and it takes 7seconds to reach…

A:

Q: b. What is the average speed of the train between the two stations? 2. A car accelerates from 12m /s…

A: v=25 m/s u=12 m/s t= 6 s

Q: A car decelerates at 2.0 m/s 2 and comes to a stop after travelling 25 m. Find the time required to…

A:

Q: The graph of the velocity versus time for an object is as shown.: Au 2 3 103 5 0 -5 -10- t(s) 5 6 a.…

A:

Q: 1. If the acceleration of the body is constant, which of the following statements is true?   a. The…

A:

Q: a) What is his velocity at 8.0 s?

A:

Q: Suzie Lavtaski has reached the end of the ski slope and abruptly decelerates from 31.2 m/s to 2.4…

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Q: Determine the acceleration in each case, match the answers with questions. ◆ A car is moving to the…

A:

Q: Bob rides his bike from point A to B in 2.5hours. The next day Bob increases his average speed by…

A:

Q: Objectified. An object moved from x = 2.0 m to x = 9.0 m in 1.5 s undergoing constant acceleration…

A: The given data are listed below with appropriate variables. Here, xi denotes the initial position,…

Q: A motorist traveling at 45 km/h applies the brake so that the car decelerates uniformly at 4.0 m/s2.…

A:

Q: ement. Figure below shows the displacement Vs. time graph of two particles. Which of the statements…

A: Slope of a displacement time graph gives us velocity. Here for both the particle the graphs are…

Q: This is the velocity vs time graph. I would like to see how the position vs time graph will look…

A: As the given v vs t graph look like a sin/ cos wave function.  Let guess the  velocity as a function…

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 –