A boat is able to move through still water at 20m/s. It makes a trip to a town 3.0 kmupstream. If the river flows at 5m/s, the time required for this trip is:O120s150s200s300s320sREDMI NOTE 9te of an object is given as a function of time by x = 2t- 3t2, where x is inAI QUAD CAMERAMes and tis in seconds. Its average velocity óver the interval from t = 0 tot = 4 s

Given: velocity of boat in still water, v = 20 m/s total distance traveled, S = 3.0 km = 3000 m…

Answered: A boat is able to move through still…

A boat is able to move through still water at 20m/s. It makes a trip to a town 3.0 km upstream. If the river flows at 5m/s, the time required for this trip is: O 120s 150s 200s 300s 320s

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 3CQ: Bacteria move back and f01th by using their flagella (Structures that look like little tails)....

See similar textbooks

Related questions

Q: A photographer inside a helicopter descending vertically at 15m/s at an altitude of 55 m…

A: Given: The initial velocity of the camera is 15 m/s. The altitude of the drop is 55 m. Introduction:…

Q: A photographer inside a helicopter descending vertically at 15m/s at an altitude of 55m accidentally…

A: Descending speed of helicopter =15 m/sInitial height of helicopter (H)= 55 m Therefore, initial…

Q: A drowsy cat spots a flowerpot that sails first up and then down past an open window.The pot is in…

Q: In the projectile motion experiment, if the shooting angle is 0 degree, the height is 15 meter and…

A: Given, Initial height, h= 15 m, angle, θ=00, and horizontal distance, x= 20 m.

Q: You are on the roof of a Physics Building, 36 m above the ground. Your physics professor, who is…

Q: A swimmer is at a point 500 m from the closest point on straight shoreline. She needs to reach a…

A: Given : Distance between swimmer and the closest point = 500m Distance to the cottage from the…

Q: A soccer player kicks a rock horizontally off a 36.1 m high cliff into a pool of water. If the…

A: It is given that,

Q: The particle travels from A to B. Identify the three unknowns, and write the three equations needed…

A: a) In this case, known variables are given in the following way. In this case, the unknown…

Q: Three cars, A,B, and C, are moving along a straight section of highway. If the velocity of A…

Q: Two automobile A and B are approaching each other in adjacent highway lanes. At t = 0 se., A and B…

Q: You are on the roof of a Physics Building, 35 m above the ground. Your physics professor, who is…

Q: a swimmer heading straight through a 200m wide river reaches the opposite shore in 6 min 40s. She is…

Q: A person walks up a stalled 20 m long escalator in 80 s. When standing on the same escalator, now…

A: When the escalator is stalled, calculate the speed (v1).

Q: You are on the roof of a Physics Building, 19 m above the ground. Your physics professor, who is…

A: height of the building = H = 19m height of the professor = h = 1.87m speed of professor = V =…

Q: A student is walking with a constant speed of ??1meters per second along High Street and sees a…

A: Given:Speed of student = v1 m/sDistance between student and puddle = d1 mDistance between student…

Q: A seasoned mini golfer is trying to make par on a tricky number five hole. The golfer can complete…

A: Given:Horizontal range of the ball (distance between point P and hole) = 1.90 mHeight of the ramp, y…

Q: A ball is dropped from somewhere above a window that is 2.00 m in height. As it falls, it is visible…

A: Time taken to pass last 2 m= t= 200 ms = 0.2 second

Q: You are on the roof of a Physics Building, 41 m above the ground. Your physics professor, who is…

A: Let h denote the height of the professor, H denote the height of the building, d denote the height…

Q: At the top of a cliff 110 m high, Raoul throws a rock upward with Veločity Tu How much later should…

Q: An airplane decelerates at a constant rate of 4.63 m/s² when it land runway of an airport. For a…

A: Given: De-acceleration of airplane, a=-4.63 m/s2 Time duration, t=15.8 s Distance, s=1378 m

Q: A swimmer heading directly across a river 200 m wide reaches the opposite bank in 1 min 40 s. She is…

A: Given : Width of the river d=200 m Time taken to reach at the other end of the river t=1 min 40…

Q: A 0.20-km wide river has a uniform flow speed of 3.0 m/s toward the east. A boat with a speed of 8.0…

A: Given values - Width (d) =0.20 km =200 mRiver speed (Vr) =3 msBoat speed (V/0 = 8ms

Q: A girls softball pitcher can pitch the balll at a rate of 41 miles per hour. How long will it take…

Q: A person walks up a stalled 15-m-long escalator in 90 s. When standing on the same escalator, now…

A: The speed of the walking person is The speed of the escalator is

Q: Let a particle moves along x_axis, where x=5t-3t^2, and it's coordinate variesv with time. Calculate…

A: Given value--- x = 5 t - 3 t2 . t1 = 0 sec. t2 = 3 sec. We have to find--- average velocity?

Q: The home run fence at Obojobo Ballpark is 100. m from home plate and 4.5 m tall. A hit starts 1.5 m…

Q: TRAIN PROBLEMS S=D TYPE 9, T&D FORMULAI t A train (s 20dom long rins at 50m/s. Find t?

A: Given data : Distance = D Speed = S…

Q: A swimmer, capable of swimming at a speed of 1.20 m/s in still water, starts to swim directly across…

A: Given:- A swimmer, capable of swimming at a speed of 1.20 m/s in still water,…

Q: You are standing on a cliff of height h = 1.5m. You throw a ball straight down towards the ground…

Q: A child at point A is on the edge of a swimming pool and can reach point B by running at 10 (m/s) on…

Q: You are on the roof of a Physics Building, 47 m above the ground. Your physics professor, who is…

Q: Jim is driving his car at 32m/s (72mi/h) along a highway where the speed limit is 25m/s (55mi/h). A…

Q: A man riding in a hot air balloon will release food items to stranded families in an island 250…

Q: A school bus traveling along at 12.6km/h slows to 4.32km/h in 2.50s. How far did it travel (in m)?

Q: A boat is able to move through still water at 20m/s. It makes a trip to a town 3.0 km upstream. If…

Q: The velocity of an object which is initially 4m from O is given by v(t) = 3t2 − 2t − 5. The position…

A: GivenDistance of object from O (d)=4 mand velocity of object v(t)=3t2-2t-5

Q: You are on the roof of a Physics Building, 27 m above the ground. Your physics professor, who is…

Q: A drowsy cat spots a flowerpot that sails first up and then down past an open window. The pot is in…

A: Newton's 2nd and 3rd equation is defined as h=ut-12gt2v2=u2-2gh Here h is height, u and v initial…

Q: A car is traveling at the speed of 72.0kph. Unfortunately, the car's driver sees a man standing…

Q: A person walks up a stalled 17-m-long escalator in 87 s. When standing on the same escalator, now…

Concept explainers

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 –

Question

A boat is able to move through still water at 20m/s. It makes a trip to a town 3.0 km
upstream. If the river flows at 5m/s, the time required for this trip is:
O120s
150s
200s
300s
320s
REDMI NOTE 9
te of an object is given as a function of time by x = 2t- 3t2, where x is in
AI QUAD CAMERA
Mes and tis in seconds. Its average velocity óver the interval from t = 0 tot = 4 s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

My pug/bulldog mix, Georgia, who is blind and deaf, gets a whiff of her dinner. As soon as it registers to her that it's dinnertime, she runs 4.12 meters from the middle of our living room to our kitchen, where she is satiated with her grub. If it takes her 4.45 s to get to the kitchen, what was her speed in m/s to the nearest hundredth?
You are driving along at a constatnt speed of 26 m/s and you look down at your phone to read a text message for 2.5 seconds. How many meters does the car travel while you are not looking?
A boat moves at a distance (in km) of S(t) = t2 - 400t where t in minutes is the time passed since the boat started moving at 6:00 AM. What is the velocity of the train at exactly 9:00 AM?
A car can be braked to a stop from the autobahn-likespeed of 200 km/h in 170 m. Assuming the acceleration is constant,find its magnitude in (a) SI units and (b) in terms of g. (c) How muchtime Tb is required for the braking? Your reaction time Tr is the timeyou require to perceive an emergency, move your foot to the brake,and begin the braking. If Tr = 400 ms, then (d) what is Tb in terms ofTr, and (e) is most of the full time required to stop spent in reactingor braking? Dark sunglasses delay the visual signals sent from theeyes to the visual cortex in the brain, increasing Tr. (f) In the extremecase in which Tr is increased by 100 ms, how much farther doesthe car travel during your reaction time?
In the 1968 Olympics in Mexico City, Bob Beamon shattered the record forthe long jump with a jump of 8.90 m. His speed on takeoff was 9.5 m/s.How close did this athlete come to the maximum possible range in theabsence of air resistance?
The approximate distance d (in feet) that drivers travel afternoticing that they must come to a sudden stop is given by thefollowing formula, where x is the speed of the car (in mi/h):d  x  x220If a car travels 75 ft before stopping, what was its speedbefore the brakes were applied?
An object's velocity as a function of time in one dimension is given by the expression; v(t) = 2.71t + 7.88 where are constants have proper SI Units. What is the object's velocity at t = 4.19 s?
While running a marathon, a long-distance runner uses a stopwatch to time herself over a distance of 100 m. She finds that she runs this distance in 18 s. Answer the following by considering ratios, without computing her velocity. a. If she maintains her speed, how much time will it take her to run the next 400 m?
The driver of a car is initially moving at a constant speed of 68.3 km/h when a traffic light turns red. If a 0.525 s reaction time is required before the brakes can be applied, what is the distance in meters traveled by the car before it begins to slow down?
A dolphin in an aquatic show jumps straight up out of thewater at a velocity of 13.0 m/s. (a) List the knowns in thisproblem. (b) How high does his body rise above the water?To solve this part, first note that the final velocity is now aknown and identify its value. Then identify the unknown, anddiscuss how you chose the appropriate equation to solve forit. After choosing the equation, show your steps in solving forthe unknown, checking units, and discuss whether the answeris reasonable. (c) How long is the dolphin in the air? Neglectany effects due to his size or orientation
A ball is thrown into the air by a baby alien on a planet in thesystem of Alpha Centauri with a velocity of 49 ft/s. Its heightin feet after t seconds is given by y = 49t −25t2.a.) Find the average velocity for the time period beginningwhen t0 = 1 second and lasting for the given time.t = .01 sec:t = .005 sec:t = .002 sec :t = .001 sec: b.) Estimate the instanteneous velocity when t = 1.
Does a car’s odometer measure distance traveled or displacement?