A automobile climbed up a hill at a consistent speed of 35 m/s before descending at a speed of 45 m/s. (a) What was the average speed during the journey, excluding the time to turn around? (b) What was the trip's average acceleration?

A automobile climbed up a hill at a consistent speed of 35 m/s before descending at a speed of 45 m/s. (a) What was the average speed during the journey, excluding the time to turn around? (b) What was the trip's average acceleration?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 9STP

See similar textbooks

Related questions

Q: A propagating wave on a taut string of linear mass density µ = 0.05 kg/m is represented by the wave…

Q: In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose…

A: In this question we have to find the change in weight if we ride an elevator. Please give positive…

Q: A block attached to a spring, as shown in the Figure, starts at rest with the spring unextended and…

Q: What is the electric field strength at the position of the electron in (Figure 1)? Assume that B =…

Q: Calculate the voltage if the resistance is 20 ohms and the current is 10 A 2

A: GivenResistance, R=20 ΩCurrent, I=10 A

Q: - If a glass rod that is rubbed with a plastic dry cleaner's bag acquires a certain charge, why does…

A: When a glass rod is rubbed with bag ,then one looses electron and get positive charge while other…

Q: 8.A cylindrical metal rod has a resistance R. If both its length and its diameter are tripled, its…

A: Given: cylindrical metal rod has a resistance R. If both its length and its diameter are tripled,…

Q: A) Choose true or false for each statement regarding a parallel plate capacitor.. The charge of…

Q: miles per hour

Q: The wheels of a bicycle have a diameter of 0.67 m. In 17.9 seconds, the rate of rotation of its…

Q: You are given a number of 18 Q resistors, each capable of dissipating only 3.3 W without being…

Q: How long does it take a 750-WW coffeepot to bring to a boil 0.85 LL of water initially at 18 ∘C∘C?…

Q: A standing wave is set up on a string of length L, fixed at both ends. If 4-loops are observed when…

A: Given The string is fixed at both ends. No of loop produced in the the string is n=4 Wavelength is…

Q: A 5.2-tonne vehicle accelerates to 130 miles per hour in 60 seconds. Calculate the force exerted by…

A: Given that The mass of the vehicle is (m) = 5.2 tonne 1 tonne = 1000kg…

Q: If you apply a net force of 3 N on .1 kg-box, w acceleration of the box

A: GivenNet force applied, F=3 NMass of box, m=0.1 kg

Q: Problem: You are calculating the electric field of charge distributed in a disk as shown in the…

Q: If a standing wave on a string is produced by the superposition of the following two waves: y1 = A…

A: superimposed wave is given by: y=y1+y2=Asinkx-ωt+sinkx+ωt=2Asinkxcosωt

Q: 1. A 200-g block connected to a light spring for which the force constant is 5.00 N/m is free to…

Q: A 1.5-tonne vehicle accelerates to 90 miles per hour in 10 seconds. Calculate the force exerted by…

Q: An object starts from rest and moves in a straight line. One half of total moving time the object…

A: one question at a time.

Q: 3.3) Determine the angular velocity in r.p.m. at which point of losing contact with the surface of…

Q: A proton enters a uniform magnetic field (into the page of 7500nT with a speed of 0.91 Gm/s. (a) At…

Q: The book in the 3 figures is the same book: same weight, same dimensions. Which book exerts more…

A: Required:- Which book exerts more pressure on the surface. Definition:- Pressure is defined as the…

Q: Find the force on a point charge of 30 µC at (0, 0, 5) m due to a 4-m square in the 2-0 plane…

Q: cceleration and velocity are two distinct concept

A: Indeed Acceleration and velocity two distinct concept. Acceleration and velocity both are vector…

Q: Two transverse waves y1 = 4 sin(2tt - Ttx) and y2 = 4 sin(2rtt - TTX + Tt/2) are moving in the same…

A: Given Two transverse waves are given as, y1=4sin2πt-πx..................(1) y2=4sin2πt-πx+π2 We…

Q: A 40kg girl gets on a 10kg wagon at ground level with two 5 kg bricks. She throws the bricks…

Q: Two transverse waves y1 = 4 sin(2Tt - TTX) and y2 = 4 sin(2rtt - TtX + Tt/2) are moving in the same…

Q: Part A A stone is suspended from the free end of a wire that is wrapped around the outer rim of a…

Q: minute. Assuming that you start pedaling with the pedal in the lowest position, write an equation to…

A: ANS: The required equation is h(t)=25-15sin(2π15t) The figure is drawn below.

Q: Mass of a body is 18.3 kg What is it's weight ?

A: Given: The mass of the object is 18.3 kg.

Q: Would the world, the universe, be different if the electrons had positive charge and protons…

A: A positive charge will not have any significance if a negative charge is not present similarly wise…

Q: In 5 seconds, an automobile going in a straight line increases its speed from 50 to 110 kilometers…

A: Acceleration is the rate of change of velocity of an object. a = (V - U) /t Here a is acceleration…

Q: Consider an asteroid with a radius of 17 km and a mass of 3.8×1015 kg. Assume the asteroid is…

A: Consider an asteroid with a radius of 17 km and a mass of 3.8×1015 kg. Assume the asteroid is…

Q: What continuous acceleration is necessary to accelerate an automobile from 20 to 50 miles per hour…

A: Initial velocity , u = 20 mile/hr u = 20×0.447 m/s = 8.94 m/s Final velocity , v = 50 mile/hr v =…

Q: Two crates of equal mass m = 7 kg are connected on a frictionless inclined plane as shown below. The…

A: Dear student When any system is in equilibrium, the net force as well as net torque on it is always…

Q: P1.29. Determine the work done in moving an object along a vector a 5i - 3j + 2k if the applied…

Q: A spherical conductor with radius 40 cm has a surface charge density of +15 C/m2. a) what is the…

Q: A ray of light traveling in material #1 passes through some other materials as shown. Use the…

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

Q: A 4.0-cm tall object is placed 50.0 cm from a diverging lens having a focal leng of magnitude 25.0…

Q: R1 IR3 IR1 Ir2 = 2.0A %3D R2 R3 V1 = 6.0V V2

A: I2 = 2 AR2 = 4 ohm V1 = 6 v R1 = 2 ohm R3 = 5 ohm

Q: You throw a ball vertically upward from the roof of a building the ball leaves your hand at a point…

A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will…

Q: 4. A metal ball can pass through a metal ring. When the ball is heated, however, it gets stuck in…

A: Step1 - Here we will understand the concept that will be used to solve the question. Thermal…

Q: he International Space Station has a mass of 4.12 x 105 kg and is orbiting at an altitude of about…

A: In this question we have to find the speed of the International Space Station in its orbit. Please…

Q: A taut string, fixed at both ends, is driven by an oscillator at a constant frequency of 175 Hz. The…

Q: During the time interval 0 < t < 1, the velocity of an object as a function of time is v = 5 + 3t^2…

A: Given value--- v = 5 + 3t^2 + 2t^3 . We have to find--- Acceleration of an object in terms of t ?

Q: The wavefunction for a wave on a taut string of linear mass density u = 40 g/m is %3D given by:…

Q: A turntable rotating at 24 rev/min is shut off. It brakes with constant angular acceleration and…

Q: At time t-0 electrons in a short neutral vertical copper wire are accelerated very briefly upward…

Q: The wavefunction for a wave travelling on a taut string of linear mass density u = 0.03 kg/m is…

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

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 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

A automobile climbed up a hill at a consistent speed of 55 m/s before descending at a speed of 65 m/s. (a) What was the average speed during the journey, excluding the time to turn around? (b) What was the trip's average acceleration?
(a) What is the average acceleration of a skier who, starting from rest, reaches a speed of 8.0 m/sec when going down a slope for 5.0 sec? (b) How far does the skier travel in this time?
A ball is thrown up at 70 m/s. It goes up and then falls to its original height. (a) How long does it take to go up to the top? (b) How high does it go? (c) What is the average velocity on the way up? (d) What is the average speed for the entire trip? (e) What is the average velocity for the entire trip?
A woodchuck runs 20 m to the right in 10 s, then turns and runs 10 m to the left in 6 s. (a) What is the average velocity of the woodchuck? (b) What is its average speed?
Usually, Tony travels to Bunbury from Perth city in 2.50 hours. One day he increases his average speed by 12.0 km/h and takes 22.5 minutes less time to reach Bunbury. (a) What was his usual average speed? What was the distance travelled? (b) On the way he stopped at a rail crossing (6.00 m wide) and a train (total length 144m) decelerating at -0.585 ms2 just entered the crossing with a velocity of 13.7 m s¹. Sketch a diagram and find the minimum time for the last carriage of the train to clear the crossing.
(a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.00 m/s. (b) How long a time would it take to reach the ground if it is thrown straight down with the same speed?
An automobile travels on a straight road for 34 km at 36 km/h. It then continues in the same direction for another 34 km at 72 km/h. (a) What is the average velocity of the car during this 68 km trip? (Assume that it moves in the positive × direction.) (b) What is the average speed?
A car travels up a hill at a constant speed of 10.0m/s and goes down through the same path at a constant speed of 15.0m/s, covering the same distance. What is the average speed of the car during the entire trip?
A motorboat starting from rest travels in a straight line on a lake.(a) If the boat achieves a speed of 7 m/s in 11.9 s, what is the boat's average acceleration?Then, in 3.1 more seconds, the boat's speed is 20 m/s.(b) What is the boat's average acceleration for the total time?
A car traveled up a hill at a constant speedof 10 m/s and then re down the hill at 20m /s. If the time to turn around is ignored,(a) What was the average speed for the trip?(b) What was the average acceleration for the trip?
(a) If a flea can jump straight up to a height of 0.440 m, what is its initial speed as it leaves the ground? (b) How long is it in the air?
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.7 m/s when going down a slope for 4.81 s? (b) How far does the skier travel in this time?