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 END OF 4.0 s? (B) HOW FAR DID ITMOVE?3. (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.5. 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: Acceleration (a) = 3.0 m/s2 Initial velocity (u) = 0 m/s Time (t) = 4.0 s Required:…

Answered: 2. A BALL ROLLS DOWN A HILL WITH A…

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 OF 4.0 s? (B) HOW FAR DID IT MOVE?

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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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

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 OF 4.0 s? (B) HOW FAR DID IT
MOVE?
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.
5. 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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