4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE- A CAR İNCREASING ITS SPEED FROM 75 km/h TO 90 km/h, OR A BICYCLE THAT GOES FROM ZERO TO 15 kim/h in the same time? DEFEND YOUR ANSWER.

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Chapter1: Units, Trigonometry. And Vectors
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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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Answer 4 only please
Dominic
owonkuo
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 THẺ END OF 4.0 s? (B) HÓW FAR DID IT
MOVE?
3. (A) HÓW LONG WILL IT TAKE FOR A FREELY FALLING BODY TO ACQUIRE A SPEED OF
58.8 m/s? (B).HOW FÅR WILL IT HAVE FALLEN DURING THAT TIME?
4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE- A CAR
İNCREASING 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 EOR 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
re fur to
Sumple
prohlem
( Hint: First, conivert 95 km/h to m/s)
6. A TRUCK ÁND A CÁR AŘE MOVING IN.THE SAME DIRECTION AT CONSTANT SPEEDS.
THE TRUGK I 3.5 miles BEHIND THE CAR. THE TRUCK HAS A SPEED OF 65 mi/h, WHILE
THAT OF THE CAR IS 55 mi/h.
refer tu Somple pobecm io
(A) FIND THE DIŠTANCE TRAVELED BY THE CAR
(B) HOW LONG WILL IT TAKE FOR THE TRUCK TO CATCH ÚP WITH THE CAR? ( Express :
answer in minutes )
(C) FIND THE DISTANCE.TRAVELED BY THE TRUCK
Transcribed Image Text:Dominic owonkuo 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 THẺ END OF 4.0 s? (B) HÓW FAR DID IT MOVE? 3. (A) HÓW LONG WILL IT TAKE FOR A FREELY FALLING BODY TO ACQUIRE A SPEED OF 58.8 m/s? (B).HOW FÅR WILL IT HAVE FALLEN DURING THAT TIME? 4. WHICH HAS MORE ACCELERATION WHEN MOVING IN A STRAIGHT LINE- A CAR İNCREASING 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 EOR 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 re fur to Sumple prohlem ( Hint: First, conivert 95 km/h to m/s) 6. A TRUCK ÁND A CÁR AŘE MOVING IN.THE SAME DIRECTION AT CONSTANT SPEEDS. THE TRUGK I 3.5 miles BEHIND THE CAR. THE TRUCK HAS A SPEED OF 65 mi/h, WHILE THAT OF THE CAR IS 55 mi/h. refer tu Somple pobecm io (A) FIND THE DIŠTANCE TRAVELED BY THE CAR (B) HOW LONG WILL IT TAKE FOR THE TRUCK TO CATCH ÚP WITH THE CAR? ( Express : answer in minutes ) (C) FIND THE DISTANCE.TRAVELED BY THE TRUCK
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