A particle has a velocity of v= (3i+5j)m/s and a constant acceleration of a=(-1.5i-4.5j)m/s^2What is its velocity after 2 seconds? Is it moving faster or slower after 2 seconds? A particle has a velocity ofv = (3î + 5ĵ) m/sand a constant acceleration of(– 1.5î – 4.5 ĵ ) m/ s².What is its velocity after 2 seconds? Is it moving faster or slower after 2 seconds?

Answered: Image /qna-images/answer/bc137034-a7d6-47d1-b78b-938b9cfb7742.jpg

Answered: A particle has a velocity of v=…

A particle has a velocity of v= (3i+5j)m/s and a constant acceleration of a=(-1.5i-4.5j)m/s^2 What is its velocity after 2 seconds? Is it moving faster or slower after 2 seconds?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter2: Representing Motion

Section2.4: How Fast?

Problem 29PP

See similar textbooks

Related questions

Q: Calculate the period of a satellite orbiting the Moon, 91 km above the Moon's surface. Ignore effect...

A: Satellite is orbiting h = 91 km above the moon surface, radius of the moon, R = 1740 km

Q: Problem 5: A rock is thrown straight down from the Verrazano Narrows Bridge in New York City with an...

A: Given: The initial velocity of the rock is 14.5 m/s vertically downward, The time interval is 2.5 s....

Q: The rms current through a light bulb is 0.472 A when the bulb is connected to a standard 120 V rms s...

Q: One gear wheel turns another, the teeth being on the rims. The wheels have 10-cm and 30-cm radii, an...

Q: A parallel-plate capacitor is connected to a battery of voltage, V, until one plate of the capacitor...

A: The capacitance of a capacitor is given b, C= QV ...

Q: A 56.25 kg crate slides down a 36.87° slope (inclined plane) that is 32.00 m in length and has a kin...

A: Given, mass of the crate, m = 56.25 kgangle of inclination, θ= 36.87 °length, l = 32.00 mcoefficient...

Q: An isolated very long metallic rod with a uniform circular cross section of radius 0.55 mm has a co...

Q: A boat heads north in still water at 4.5m/s directly across a river that is running east at 3.0m/s.W...

Q: Please explain how a positive acceleration may not actual mean a velocity is getting larger

A: If an object has a positive acceleration it is not necessarily mean that the object is speeding up....

Q: 3. What is the wavelength of electromagnetic radiation emitted from a radio station broadcasting at ...

A: Given: The frequency of electromagnetic radiation is 1500 kHz.

Q: Part A A 55.0-cm-long hollow nichrome tube of inner diameter 2.8 mm, outer diameter 3.0 mm is connec...

A: Given: The length of the wire is 55 cm. The initial diameter of the wire is 2.8 mm. The outer diamet...

Q: Activity 2. A particle moves along a straight line in such a manner that its displacement, at any In...

A: Given data: The displacement equation is, S=110t3+6t2-4t Time t = 10 s

Q: 4. A circular loop of wire lies on a horizontal table and carries current in a counterclockwise dire...

A: Option B is correct answers South side ;

Q: Problem 7: A hot-air balloon rises from ground level, moving straight upward at a constant speed of ...

A: Given: The velocity of the hot-air balloon is 6.09 m/s vertically upward. The time interval is 28.4 ...

Q: 3. The rocket is traveling diagonally up (with angle 70 degrees from the horizontal) at 100 m/s. Its...

A: Given angle = 70° mass m =100,000kg velocity v= 250m/s We have to find the how long does it take ...

Q: Question 9 The following graph represents the position as a function of time of a moving object. Wha...

Q: The wires that form the semicircles shown in the figure have radii a and b. Determine the magnitude,...

A: Answer is B=u0i4[1a-1b]

Q: A 57 kg factory worker takes a ride on a large, freely rolling 27 kg cart. The worker initially stan...

A: according to conservation of momentum , initial momentum = final momentum we know momentum P = mas...

Q: A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It strikes the...

Q: A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose radius ...

Q: is dropped from the top of a building that is 180 meters high. What is the velocity of the ball afte...

A: The mass of the ball is m = 1 kg and the height of the building is 180 meters We know that the init...

Q: A car starts from rest and accelerates at a steady 6.00 m/s2. How far does it travel in the first 3....

Q: A parallel-plate air-filled capacitor has a capacitance of 70 pF. (a) If each of its plates has an a...

Q: A group of friends are going on a day out to Dhaka Resort. They divided their route into 3 equal par...

Q: At time t, = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (3.00 m/s...

Q: he resultant of three vectors is 90.00 cm 34° N of W. If two of these three vectors are 7.89 cm 27° ...

A: Resultant of vectors can be determined by resolving them into component. Let east is positive x axi...

Q: A proton moves across a magnetic field and feels a force. If an electron were to move at the same sp...

Q: all player throws a ball horizontally. Which stateme [Neglect the effect of air resistance] A) Its v...

A: We know that we have given the baseball player thrown a ball horizontally, we know that this type of...

Q: In a men's 200m race, accelerating uniformly, Sam takes 1.50s and Gerald 2.00s to attain their maxim...

A: Given, S=200m Time=19.5s

Q: At t = 0, a particle moving in the xy plane with constant ac- celeration has a velocity of v; = (3.0...

Q: A block of mass 128 kg lies on a horizontal plane. A horizontal force F of magnitude 1073 N is appli...

A: Given Mass of the block is m=128 kg Magnitude of the horizontal force is F=1073 N Distance traveled...

Q: From the table below which shows the metabolic rate for each activity, if a person with height 1.50m...

A: Energy expenditure = energy per unit area per unit time × area × time Average area of 1.5 m person =...

Q: Complete the table using the given data (using the graphical method). Tal=7.8 at 0=39.8, b=10.0 at 0...

Q: A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from t...

A: A tennis ball is dropped from rest and the another ball is thrown down from the building.

Q: Rub a comb through your hair and use it to lift pieces of paper. It may help to tear the pieces of p...

Q: From the table below which shows the metabolic rate for each activity, if a person with height 1.50m...

Q: Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to...

A: GivenHeight of buildiing (h)=41 m

Q: Question 15 A football, a hockey puck, and a tennis ball all fall down in the absence of air resista...

Q: A plane flies with a velocity of 235m/s making an angle of 48 degrees, North of East. c. Find the v...

Q: A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from t...

A: A tennis ball dropped from the top of a tall building. A second tennis ball is thrown down from the ...

Q: Find the cross-sectional area of a 5.1 cm long solenoid with 480 turns and a self-inductance of 44 μ...

A: Length (L) = 5.1 cm = 0.051 m Number of turns (N) = 480Self inductance = 44 μH

Q: An object is thrown in horizontal with an initial velocity vo= 10 m/s from the roof of a building 20...

Q: During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. Dur...

A: According to Ohm's law, potential difference(v) = Current (I) × Resistance (R) Here , current = 11.5...

Q: art (a) Find the vertical component of the velocity, ve, in meters per second, with which the ball h...

Q: Find the equivalent moment of force through point A of the force system shown in the figure.

Q: Part (b) What is the object s final velocity. in meters per as it tme gi

Q: Bowling Barry asked how much impulse is needed to stop a 10 kg bowling ball moving at 6 m/s. What is...

A: Given Data:- Mass of the ball is m=10 kg Initial speed of the ball is vi=6 m/s Final speed of the ba...

Q: Two protons are separated by a distance of 0.366 m. Given the proton charge of 1.60 x 10-19 C, deter...

A: Given, Protons are separated by a distance, d = 0.366 mproton charge, q = 1.60×10-19 C

Q: A horizontal force F is exerted on a 20 kg box to slide it up at 30° incline. The friction force ret...

Q: A chair of mass 12.0 kg is sitting on the horizontal floor; the floor is not frictionless. You push ...

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 particle has a velocity of v= (3i+5j)m/s and a constant acceleration of a=(-1.5i-4.5j)m/s^2

What is its velocity after 2 seconds? Is it moving faster or slower after 2 seconds?

A particle has a velocity of
v = (3î + 5ĵ) m/s
and a constant acceleration of
(– 1.5î – 4.5 ĵ ) m/ s².
What is its velocity after 2 seconds? Is it moving faster or slower after 2 seconds?

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

The Moon is about 3.8 x 108 m from Earth. Traveling at the speed of light, 3.0 x 108 m/s, how long does it take a laser beam to go from Earth to the Moon and back again?
A rocket is fired upward with a velocity (v) of 590 feet per second. find how many seconds pass before the rocket reaches the ground (s=0) again. use the quadratic equation s=-16t^2+590t.
The following conversion equivalents are given:1 mile = 5280 ft 1 ft = 12 in 1 m = 39.37 in 1 hour = 60 min 1 min = 60 sA particle has a velocity of 4.7 miles per hour. The velocity, in m/s, is closest to:A) 2.1 B) 1.7 C) 1.9 D) 2.3 E) 2.5
You encounter a moving walkway that is 81 m long and has a speed of 2.1 m/s relative to the ground. How long would it take you to cover the 81 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.6 m/s relative to the walkway? Express your answer using one significant figure.
The speed of the particle is given by v=2t3 + 5t2. What distance does it travel while its speed increases from 5 to 25 ft/s?
Consider A runner moving in a positive direction with an initial velocity of 4.6 m/s slows down at a constant rate of -1.3 m/s squared over a period of 2 seconds. What distance does she travel during this process?
Amel goes for a walk with a speed of 3kph. After 30 minutes of walk, his wife follows him. Walking 3.25 km for the first hour, 3.75 km for the second hour, 4 km for the third hour and so on maintaining a speed of .25 km per hour. How many hours does the wife take to catch up to her husband?
The formula s(t)=-4.9t²+49t+15 gives the height in meters of an object after it is thrown vertically upward from a point 15 meters above the ground at a velocity of 49sec. How high above the ground will the object reach?
If a rock is thrown upward on the planet Mars with a velocity of 15 m/s, its height above the ground (in meters) after t seconds is given by H = 15t − 1.86t2. With what velocity (in m/s) will the rock hit the surface?
A ball is thrown down from the top of a building at a height of 60 m at an initial speed of 10m / s, and at the same moment a ball is thrown from the surface of the earth up at a speed of 40m / s What is the height of the distance in which the two balls meet from the surface of the earth
The typical American man has a leg length of 0.85 m and walks at a speed of 1.4 m/s. A giraffe’s legs are 1.8 m long. At what speed do you expect a giraffe to walk? Hint: An animal’s speed is proportional to the length of its legs times the frequency of its strides.
A fast food restaurant uses a conveyor belt to send the burgers through a grilling machine. If the grilling machine is 1.1m long and the burgers require 2.5min to cook, how fast must the conveyor belt travel? If the burgers spaced 15cm apart, what is the rate of burger production (in burgers/min)?