What do you say in English

What do you say in English

you

The swing ball hanging on the trolley is biased to the right, so you can judge the movement of the trolley 1——、2——

1 acceleration movement to the left
2 deceleration movement to the right

Question 1. What is the average power of a weightlifter who lifts a 140kg barbell from the ground to a height of 1.70m in 0.8s? Question 2 the power of a tractor is 25kW, and the average power of a cow when pulling the plow is 0.3kw. If the work done by the tractor in 4H is completed by the cow, how long will it take?

Question 1: P = w / T = MGH / T =? Question 2: w = p1T t = w / P2

Seventy percents of his money ( ) donated to Red Cross. A.is B are C be D to be please translate the sentence and explain why you chose it

He donated 70% of his money to the Red Cross. I think the money can't be counted, so I chose a

What is the difference between demand from and demand of Sales increased due to strong demand from the customer or sales increased due to strong demand of the customer?

The factory is in great demand of steel to keep up production

When need is used as a noun, do you use the need of or the need for, demand? Such as title

The need for:
the basic human need for food.
The basic human need for food
But there is a fixed phrase: in need of sth