Newton's first law is the law of inertia stating that an object in motion stays in motion at the same speed unless acted on by an equal and opposite force and an object at rest stays at rest unless acted upon by an external force.
If a hockey puck is hit on ice (without friction), it will continue to move until friction or another force stops it. If a hockey puck is sitting in one place, the puck will not move until some external force moves it.
The motion of the hockey puck is a result of the sum of external forces on the hockey puck being unequal.
The number of ways the skaters can finish the competition is 40,320 ways
The different ways 3 of the skaters finish first, second and third is 56 ways
Given the following
- Number of skaters featured = 8 skaters
If the skaters finish the competition, the number of different ways the skaters finish the competition is expressed as:
8! = 8*7*6*5*4*3*2
8! = 56*30*24
8! = 40,320.
The number of ways the skaters can finish the competition is 40,320 ways
If 3 of the skaters finish first, second and third, the number of ways this can be done is given as:
8C3 = 8!/(8-3)!3!
8C3 = 8!/5!3!
8C3 = 8*7*6*5!/5!3!
8C3 = 56 ways
Hence the different ways 3 of the skaters finish first, second and third is 56 ways
Learn more on combination here: brainly.com/question/11732255
Cosine can be explained in different ways. The best explanation for why cosine start fraction 2 pi over 3 end fraction not-equals cosine start fraction 5 pi over 3 end fraction, is that;
- Cosine is negative in the second quadrant and positive in the fourth quadrant.
<h3>What Cosine is all about</h3>
Note that the sine of any angle in the second quadrant is said to range between 90 and 180 degrees and it is regarded as positive. But, if the cosine and tangent of any angle is said to be in this quadrant, it is regarded as negative.
The cosine function can be said to be positive only in the first and fourth quadrants. And the tangent function is known to be also positive in the first and third quadrants.
Learn more about Cosine from
brainly.com/question/24305408
Answer: d) the median speed in race a is about 153 miles per hour, and the median speed in race b is about 145 miles per hour.
Explanation:
The whole question is written below:
The box plots show the average speeds, in miles per hour, for the race cars in two different races (figure attached)
. Which statement compares the median speeds for the data in the two box plots?
a) the median speed in race a is about 142 miles per hour, and the median speed in race b is about 140 miles per hour.
b) the median speed in race a is about 120 miles per hour, and the median speed in race b is about 125 miles per hour.
c) the median speed in both races is about 165 miles per hour.
d) the median speed in race a is about 153 miles per hour, and the median speed in race b is about 145 miles per hour.
Firstly, let's explain how to read a box plot (as the shown in the second figure):
- The outer extreme points are the minimum and maximum values, respectively.
- The inner extreme points are the first quartile (also called lower median) and the third quartile (also called upper median).
- The point in the middle is Median.
So, according to this, the median for race a (top plot) is between 150 and 155, and the median for race b (bottom plot) is 145.
Hence, among the given options the correct is:
<h2>
d) the median speed in race a is about 153 miles per hour, and the median speed in race b is about 145 miles per hour.</h2>
Answer:
Corrections refers to the branch of the criminal justice system that deals with individuals who have been convicted of a crime.
Explanation:
Corrections refers to the branch of the criminal justice system that deals with individuals who have been convicted of a crime. The role of the correctional system is to ensure that an offender's sentence is carried out, whether it's time in jail or prison, probation, or community service.
Guard exam test questions- for the security guard exam, you should prepare and practice the test questions to achieve success at the first attempt. The licensing exam for the security guards or officers which is taken by the respective authorities neither is easy nor difficult.The security guard exam questions do not require a long explanation answer likewise the academic exam. The test questions come with multiple-choice options you should choose the correct one from the available answers.