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krok68 [10]
2 years ago
9

This graph indicates that the acceleration between 2.00 and 4.00 seconds is the same as that between 12.00 and 14.00 seconds.

Physics
1 answer:
adoni [48]2 years ago
5 0
I believe it’s false I’m probably wrong I ju at need points for my test
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If a car travels 30 mi. north for 30 min., 60 mi. east for 1.0 hour, and 30 mi. south for 30 min., what is the average speed
Ainat [17]

Answer: 60mph

Explanation:

Given the following :

First leg travel:

Distance = 30 miles

Time of travel= 30 minutes = 0.5 hour

Second leg travel:

Distance = 60 miles

Time of travel = one hour

Average speed :

Speed = total Distance / time of travel

Total distance in miles = (30 + 60) miles = 90 miles

Total time of travel = 1 hour + 0.5 hour = 1.5 hours

Average speed = total distance traveled / total travel time

Average speed = 90 miles / 1.5 hours

Average speed = 60 miles / hour

= 60mph

3 0
3 years ago
What type of triangle measures 8 inches,8 inches,3 inches
kykrilka [37]

Answer:

isoceles

Explanation:

Because two sides are equal

7 0
3 years ago
Read 2 more answers
The rate at wich energy is used in a circuit
Vaselesa [24]
Power is the rate at which energy is used in a circuit. 
3 0
3 years ago
Free runners jump long distances and land on the ground or a wall. How do they apply Newton’s second law to lessen the force of
Veseljchak [2.6K]

As we know that as per Newton's II law we have

F = \frac{dP}{dt}

here we will have

dP = change in momentum

dt = time interval in which momentum is changed

now in order to have least injury during jumping we need to have least force on the jumper

so in order to have least force we can say that the momentum must have to change in maximum time so that amount of force must be least

So we need to increase the time in which momentum of the system is changed

5 0
3 years ago
Part A (4 pts) Consider light of wavelength λ = 670nm traveling in air. The light is incident at normal incidence upon a thin fi
s344n2d4d5 [400]

Answer:

Explanation:

On both sides of the film , the mediums have lower refractive index.

for interfering pattern from above , for constructive interference of reflected wave from both sides of the film , the condition is

2μt = ( 2n +1 ) λ / 2

μ is refractive index of film ,t is thickness of film λ is wavelength of light

n is order of fringe

for minimum thickness

n = 0

2μt =  λ / 2

t =  λ / 4μ

= 670 / 1.75 x 4

= 95.71 nm .

6 0
3 years ago
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