PROBLEMS(SHOW ALL WORK ON A SEPARATE SHEET)1. A CAR TRAVELLING AT 18.0 m/s ACCELERATES AT THE RATE OF 0.25 m/s². WHAT ISTHE SPEED AT THE END OF 20 s?2. A BALL ROLLS DOWN A HILL WITH A CONSTANT ACCELERATION OF 3.0 m/s². (A) IFIT STARTS FROM REST, WHAT IS ITS SPEED AT THE ENDMOVE?4.0 s?FAR DID IT3. (A) HOW LONG WILL IT TAKE FOR A FREELY FALLING BODY TO ACQUIRE A SPEED OF58.8 m/s? (B) HOW FAR WILL IT HAVE FALLEN DURING THAT TIME?4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE-A CARINCREASING ITS SPEED FROM 75 km/h TO 90 km/h, OR A BICYCLE THAT GOES FROMZERO TO 15 km/h in the same time? DEFEND YOUR ANSWER.S. DETERMINE THE STOPPING DISTANCES FOR A CAR WITH AN INITIAL SPEED OF95km/h AND A HUMAN REACTION TIME OF 1.0 s, FOR AN ACCELERATION OF..(A) a=-4.0 m/s², (B) a=-8.0 m/s²(Hint: First, convert 95 km/h to m/s)6. A TRUCK AND A CAR ARE MOVING IN THE SAME DIRECTION AT CONSTANT SPEEDS.THE TRUCK IS 3.5 miles BEHIND THE CAR. THE TRUCK HAS A SPEED OF 65 mi/h, WHILETHAT OF THE CAR IS $5 mi/h.(A) FIND THE DISTANCE TRAVELED BY THE CAR(B) HOW LONG-WILL IT TAKE FOR THE TRUCK TO CATCH UP WITH THE CAR? (Expressanswer in minutes). (C) FIND THE DISTANCE TRAVELED BY THE TRUCK

Given data: Initial velocity (u) = 18.0 m/s Acceleration (a) = 0.25 m/s2 Time (t) = 20 s Required:…

Answered: 1. A CAR TRAVELLING AT 18.0 m/s…

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1. A CAR TRAVELLING AT 18.0 m/s ACCELERATES AT THE RATE OF 0.25 m/s². WHAT IS THE SPEED AT THE END OF 20 s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

PROBLEMS
(SHOW ALL WORK ON A SEPARATE SHEET)
1. A CAR TRAVELLING AT 18.0 m/s ACCELERATES AT THE RATE OF 0.25 m/s². WHAT IS
THE SPEED AT THE END OF 20 s?
2. A BALL ROLLS DOWN A HILL WITH A CONSTANT ACCELERATION OF 3.0 m/s². (A) IF
IT STARTS FROM REST, WHAT IS ITS SPEED AT THE END
MOVE?
4.0 s?
FAR DID IT
3. (A) HOW LONG WILL IT TAKE FOR A FREELY FALLING BODY TO ACQUIRE A SPEED OF
58.8 m/s? (B) HOW FAR WILL IT HAVE FALLEN DURING THAT TIME?
4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE-A CAR
INCREASING ITS SPEED FROM 75 km/h TO 90 km/h, OR A BICYCLE THAT GOES FROM
ZERO TO 15 km/h in the same time? DEFEND YOUR ANSWER.
S. DETERMINE THE STOPPING DISTANCES FOR A CAR WITH AN INITIAL SPEED OF
95km/h AND A HUMAN REACTION TIME OF 1.0 s, FOR AN ACCELERATION OF..
(A) a=-4.0 m/s², (B) a=-8.0 m/s²
(Hint: First, convert 95 km/h to m/s)
6. A TRUCK AND A CAR ARE MOVING IN THE SAME DIRECTION AT CONSTANT SPEEDS.
THE TRUCK IS 3.5 miles BEHIND THE CAR. THE TRUCK HAS A SPEED OF 65 mi/h, WHILE
THAT OF THE CAR IS $5 mi/h.
(A) FIND THE DISTANCE TRAVELED BY THE CAR
(B) HOW LONG-WILL IT TAKE FOR THE TRUCK TO CATCH UP WITH THE CAR? (Express
answer in minutes)
. (C) FIND THE DISTANCE TRAVELED BY THE TRUCK

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