Answer:
a) 5 kg m/s
b) 10 kg m/s
Explanation:
GIVEN DATA:
mass of softball 0.30 kg
\theta = 35 degree
velocity = 15 m/s
Along the x axis we have
along the y axis we have
The magnitude of momentum is
b) Along the x axis we have
along the y axis we have
The magnitude of momentum is
Answer:
This is a stratified random sample because a separate random sample is selected from each class
Explanation:
Stratified random sampling is an appropriate method when the population consists of mixed characteristics and you would like to ensure that every characteristic is proportionally represented in the sample. In this example, the population is the students from Central High School and the mixed characteristics are the different classes such as Freshman students, Sophomore students, Juniors and Seniors.
After the population is divided into subgroups based on characteristics, from the overall proportion of the population, you calculate how many people should be sampled in each subgroup. Random or systematic sampling can then be used to select a sample from each subgroup.
Practice listening
Develope critical thinking
Learn team work
Answer:
December 1, 202x, merchandise purchased for cash
Dr Merchandise inventory 3,300
Cr Cash 3,300
Explanation:
When a company uses a perpetual inventory system, any purchases or sales are recorded directly using the appropriate inventory account. When a company uses a periodic inventory system, you should use a purchase account instead.
Answer:
b. The refusal has an anti competitive effect on the market.
Explanation:
When a company that sells certain products fails to sell same to a retailer who deals in same products, such is said to have anti competitive effect on the market. The aim is to reduce competition in the market.
This type of refusal would always lead to price fixing, boycott.etc. When there is price fixing, it would lead to customers being unable to buy the product due to high price.
Products that are evenly distributed and not selective would increase competition in the market place such that customers would be able to purchase such product in any retail shop that sells the products.
