Answered: average speed

Science

Physics

average speed

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

See similar textbooks

Related questions

Q: A Man in a car starts from Paris and Travels 80 km at a constant speed of 80km/h, then stops for 30…

A: Given data: d1 = 80 km at speed (V1) = 80 km/h Rest time = 30 min = 0.5 h d2 = 200 km at speed (v2)…

Q: A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 f/s?. Determine (a)…

Q: A rock weighing 9.5 kg is been thrown from a tall building with an initial velocity of 65 mm/s. If…

Q: A person can survive a feet-first impact at a speed of about 12 m/s (27 mi/h) on concrete; 15 m/s…

Q: A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate…

Q: A racquetball strikes a wall with a speed of 25 m/s and rebounds in the opposite direction with a…

A: Given data: Initial speed of racquetball is, u=25 m/s. Final speed of racquetball is, v=20 m/s. Time…

Q: A ball is thrown upward from a height of 2.2 m at an initial speed of 48 m/sec. Acceleration…

Q: A swimmer completes the first 50 m of the 100-m free style in 37.8 s. On reaching the far side of…

A: Given data: Total distance (d) = 100 m Time taken to complete first 50 m t1 = 37.8 s Time taken to…

Q: If a bullet is fired downward with initial velocity 210 m/s from a height of 146 m, how much time…

Q: An elevator in a high-rise building goes up and down at the same speed. Starting at the ground…

A: Given:- total time of taken by rafael t=24s distance between floor=20m a) Total distance=total path…

Q: A small rocket fired straight up. When a height of 5.0km and velocity of 200.0m/s, it releases its…

Q: You normally drive on the freeway between San Diego and Los Angeles at an average speed of 105 km/h…

Q: A body falls freely from rest. Find a) its acceleration, b) the distance it falls in 3 s, c) its…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 ft/s?. Determine (a)…

A: for distance we use newton law motion s= u0t -1/2 a t2 v=u0 -a t given s=154 ft…

Q: The Shinkansen (bullet train in Japan) makes a trip from Tokyo Station to Kyoto station in 2.0 hours…

Q: A mountain climber stands at the top of a 57.3 m cliff hanging over a calm pool of water. The…

Q: A model rocket is fired from the roof of a 50 ft. tall building as shown in the figure below. The…

Q: 49. John is riding a motorcycle with an initial velocity of 12.4 m/s along a highway when suddenly a…

Q: The velocity computed by the total distance travelled over the total time consumed. a. initial…

A: we know, average velocity = (total distance travelled)/ total time therefore, the velocity computed…

Q: A Car traveling at 10 m/s begins to be accelerated at 1.2m/s^2. The velocity of the car in the…

A: Initial speed of the car, Acceleration of the car, Time taken,

Q: A train starts from rest and accelerates uniformly, until it has traveled 5.6 km and acquired a…

Q: car traveling with the initial speed of 30 m/s and traveling a distance 450 m with the final…

A: A car initial speed u = 30 m/s The final speed of the car is v = 80 m/s The distance travel by the…

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

A: We have, UFO travel to a total distance of 29000 m time duration, T = 4.77 s 1 g = 9.8 m/s2

Q: A ball is accelerating at 0.6 m/s² while it covers 20 m. If it reaches a speed of 8 m/s, find the…

A: Acceleration, a=0.6 m/s2Displacement, d=20 mFinal speed, v=8 m/s

Q: A rock is projected upward from the surface of the Moon, at time t = 0 s, with an upward velocity of…

A: Given data The initial upward velocity is: u = 35 m/s The final speed of the rock is: v = 25 m/s The…

Q: Bike starts with initial velocity of 10 m/s with acceleration of 1 m/s, how much will be its…

Q: The average speed of a car in km/hr that drives a distance of 20 km in a time of 15 minutes is

Q: A train starts from rest and accelerates uniformly to achieve a velocity of 20 m per sec in 10 sec.…

A: Given,

Q: Modern oil tankers weigh over a half-million tons and have lengths of up to one-fourth mile. Such…

Q: An object was observed to have velocity v1 in m/s at time t1 seconds and later velocity v2 in m/s at…

Q: A baseball with an initial velocity of 20 m/s [W] is hit by a baseball bat, changing its velocity to…

Q: A 50-g ball traveling at 30.0 m/s is bounced off a brick wall and rebounds at 20.0 m/s. A high-speed…

Q: A car travels from A to B at an average speed of 80 kph and back to A without loss of time at an…

A: Given: The car travels from A to B at 80 kph. The car travels from B to A at 100 kph.

Q: An airplane travels 2100 km at a speed of 720 km/h and then encounters a tailwind that boosts its…

Q: An unidentified flying object (UFO) is observed to travel a total distance of 49000 m, starting and…

Q: A rocket traveling 400 m/s begins (at time t = 0) to accelerate uniformly at 9.90 m/s². What is the…

A: Kinematics formula for final velocity is; v=u+at Distance after t seconds is given by; S=ut+12at2

Q: A car travelling at a speed of 100km/h is stopped in 3 minutes. The acceleration of the car is O a.…

Q: A car is traveling along a straight road at a velocity of +36.0 m/s when its engine cuts out. For…

A: Given data, Initial velocity v0 =+36.0 m/s For the next twelve seconds t1 =12 s the cars slow down,…

Q: The deck of a bridge is suspended 225 feet above a river. If a pebble falls off the side of the…

A: Please see the answer below

Q: A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s…

A: Given that,initial velocity:U=30 ifinal velocity:V=40 j

Q: A bullet shot straight up returns to its starting point in 10 s. What is the initial speed of the…

A: As the time of ascent is equal to the time of descent, thus, the time taken by a bullet to reach the…

Q: A car travels 20. meters east in 1.0 second. The displacement of the car at the end of this…

A: The displacement is a vector quantity. It is always associated with direction.

Q: For a body moving with uniform acceleration its final velocity equals _________________. A) average…

A: Let us consider the variables as follows: v be the final velocity of body. u be the initial velocity…

Q: An airplane decelerates at a constant rate of 4.92 m/s when it landed on the runway of an airport.…

Q: 9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10…

A: Letter of correct answer - 9. Option (C) 35m is correct answer. 12. Option (B) 0.0206 m/s2 is…

Q: A physics student with a stopwatch drops a rock into a very deep well, and measures the time between…

A: Given: The speed of the sound is 343 m/s. The total time is 6.2 s. The initial speed of the stone is…

Q: A car travels 250 m/s for 3 seconds. How far did the car travels in 3 seconds? Choose the correct…

A: Speed of the car, v=250 m/s Time of travel, t=3 s speed of the car: The speed of the car is…

Q: A car is moving at a constant velocity when it is involved in a collision. The car comes to rest…

Q: average walking velocity

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

100%

Consider a swimmer that swims a complete round‑trip lap of a 50 m50 m long pool in 100 s100 s. The swimmer's

average speed is 1 m/s1 m/s and average velocity is 1 m/s1 m/s .

average speed is 0.5 m/s0.5 m/s and average velocity is 0.5 m/s0.5 m/s .

average speed is 0 m/s0 m/s and average velocity is 1 m/s1 m/s .

average speed is 1 m/s1 m/s and average velocity is 0 m/s0 m/s .

average speed is 0 m/s0 m/s and average velocity is 0 m/s0 m/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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 4 images

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

An airplane lands with an initial velocity of 70.0 m/s and then decelerates at 1.50 m/s for 40.0 s. What is its final velocity?
An airplane lands with an initial velocity of 70.0 m/s and then decelerates at 1.50 m/s2 for 40.0 s. What is its final velocity?
The average velocity from point A to point C is m/s The average velocity from point B to point E is m/s.
The rocket sled starts from rest and accelerates at a = 30 + 2t m/s² until its velocity is 400 m/s. It then hits a water brake and its acceleration is a = -0.003v² m/s² until its velocity decreases to 100 m/s. What total distance sf does the sled travel?
The rocket sled starts from rest and accelerates at a = 30 + 2t m/s? until its velocity is 400 m/s. It then hits a water brake and is acceleration is a = -0.003V2 until its velocity decreases to 100 m/s. (a) Determine the time the rocket sled reaches a velocity of 400 m/s in sec. (b) What total distance does the sled travel in meters? (c) What is the sled's total time of travel in sec.?
A baseball is traveling at 65 km/h and is caught by a player. The ball is brought to rest in 0.50 s. What is the acceleration of the ball? -36 m/s/s 130 m/s/s 36 m/s/s O -130 m/s/s
A rocket sled having an initial speed of 150 mi/hr is slowed by a channel of water. Assume that during the braking process, the acceleration a is given by a(v)=-mu v², where v is the velocity and mu is a constant. If it requires a distance of 2000 ft to slow the sled to 15 mi/hr, determine the value of mu?
1. A ship steams at a constant velocity of 15 m/s . (a) How far does it travel in a day? (b) How long does it take to travel 500 m? 2. Car moves at 50 m/s for 30s and then at 60 m/s for 2 h. (a) How far did it go? (b) What was its average velocity for the entire trip ?
While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off of the shelf that is 3.68 meters high. Neglecting air resistance and assuming the book has an initial velocity of 0 m/s, what speed will the book have right before it hits the ground?
Without turning around a dog walks along a long straight path for 4.0m at 3.0m/s and then for 2.0s at 6.0m/s. What was the average speed of the dog?
To help travelers get around the airport, a shuttle was built between two terminals. Starting from rest, the shuttle accelerates at 0.447 m/s2 for 37.1 s, cruises at this constent velocity for 62.5 s, and then deaccelerates at -0.275 m/s2 until it comes to a stop. What is the distance between the terminals?
While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off of the shelf that is 3.48 meters high. Neglecting air resistance and assuming the book has an initial velocity of 0m / s , what speed will the book have right before it hits the ground?