What's MoreActivity 3.2: Solving Distance and Displacement Problems ble Ina lo wellimet uoyAboteoibni beegaDirections: Show your answers legibly, concisely and completely. Use separateel gnioss ow uoy Insteni ort t6 oloidevsheet of paper.1. A car is diven 4.5 km due north before the driver remembers a forgottenpackage. The car is driven back 4.5 km in the opposite direction. What is thetotal distance covered by the car? What is the net displacement?2. The marathon runner jogged 2 km along a straight shoreline, rested, thencontinued in the same direction for another 2 km. Find the total distance anddisplacement he covered.amt beagels =insmeosiqeib sto= bSpeed, a scalar quantity refers to the rate of motion. It is the ratio of distancecovered and the time of travel. In equation,do19 elgmsedistancespeed =elapsed timeIn symbol:v:evioSpeed, therefore, refers to how fast the object is moving. It tells us that a fast-moving object has a high speed and covers a large distance in a short period of timewhile a slow-moving object that has a low speed covers a relatively small amount ofdistance in the same amount of time.Since speed is distance divided by time, speed is expressed in terms of the unitof distance and unit of time. The SI unit for distance is meter, and time is second.Thus, speed is expressed in meters per second or m/s. For vehicles, the standard unitfor speed is kilometers per hour or km/h (kph). In other countries such as USA, theyuse miles per hour or mph as unit of speed. What about the speed of ship? Are theyalso expressed in kph or mph? (No. Ship's speed is expressed in nautical per houror knots.)The average speed can be determined by dividing the total distance travelled by thetotal time of travel. In equation:Ave.speed =total distancetotal timo

As per our guidelines, we are supposed to answer only first one question in case of multiple…

1. A car is driven 4.5 km due north before the driver remembers a forgotten package. The car is driven back 4.5 km in the opposite direction. What is the total distance covered by the car? What is the net displacement?

1. A car is driven 4.5 km due north before the driver remembers a forgotten package. The car is driven back 4.5 km in the opposite direction. What is the total distance covered by the car? What is the net displacement?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 64PE: (a) Use the distance and velocity data in Figure 3.64 to find the rate of expansion as a function of...

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Concept explainers

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

What's More
Activity 3.2: Solving Distance and Displacement Problems b
le Ina lo wellimet uoyA
boteoibni beega
Directions: Show your answers legibly, concisely and completely. Use separate
el gnioss ow uoy Insteni ort t6 oloidev
sheet of paper.
1. A car is diven 4.5 km due north before the driver remembers a forgotten
package. The car is driven back 4.5 km in the opposite direction. What is the
total distance covered by the car? What is the net displacement?
2. The marathon runner jogged 2 km along a straight shoreline, rested, then
continued in the same direction for another 2 km. Find the total distance and
displacement he covered.
amt beagels =
insmeosiqeib sto= b
Speed, a scalar quantity refers to the rate of motion. It is the ratio of distance
covered and the time of travel. In equation,
do19 elgmse
distance
speed =
elapsed time
In symbol:
v:
evio
Speed, therefore, refers to how fast the object is moving. It tells us that a fast-
moving object has a high speed and covers a large distance in a short period of time
while a slow-moving object that has a low speed covers a relatively small amount of
distance in the same amount of time.
Since speed is distance divided by time, speed is expressed in terms of the unit
of distance and unit of time. The SI unit for distance is meter, and time is second.
Thus, speed is expressed in meters per second or m/s. For vehicles, the standard unit
for speed is kilometers per hour or km/h (kph). In other countries such as USA, they
use miles per hour or mph as unit of speed. What about the speed of ship? Are they
also expressed in kph or mph? (No. Ship's speed is expressed in nautical per hour
or knots.)
The average speed can be determined by dividing the total distance travelled by the
total time of travel. In equation:
Ave.speed =
total distance
total timo

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