shersinghghartimagar shersinghghartimagar

25-10-2021
Physics

contestada

How much work is done by a man if he moves a distance of 15m by applying the force of 20N? Find his power if he does the work in 2 seconds. (answer - 300 joule,150w)

Respuesta :

ghaleyuhan ghaleyuhan

25-10-2021

Work= Distance × Force

15 metre × 20 N

300 Joule

Now ,

Power,

2 seconds = 300/2

150 watt

We know that

Unit of Work is Joule

Unit of Power is watt

So,

Work - 300 joule

Power= 150 watt

Answer Link

Otras preguntas

a tank of mixed gases, consisting of h2, n2, ar, and h2o, is held at a constant temperature. which gas has the highest average velocity?

compared to a completely amorphous polymer of the same composition, a semi-crystalline polymer is expected to:

Change the following sentences into indirect speech. Read the instructions given in brackets 1. Bharathi said to Vani, “I cannot meet you at the station today.”

you wish to find a root of the function . you use the newton's method with initial guess . perform two iterations of newton's method and fill in the blanks belo

Whales, bony fishes, and cartilaginous fishes all have similar adaptations that enable them to live in the ocean. Figure 1 shows the phylogenetic relationships

jenelle draws one from a standard deck of 52 cards. determine the probability of drawing either a queen or a heart? write your answer as a reduced fraction.

yvonne believes that amount of time people spend in the sunlight each day is related to level of mental health. this is an example of a tail hypothesis.

Sarah, age 29, makes $45,000 a year and wants to buy a 15-year term policy that would replace seven years of her salary. the annual premium rate (per $1000 of f

with reference to pitch aspects, this selection a. contains an improvisatory melody with drone. b. contains an improvisatory melody without drone. c. shows an a

which of the following provides evidence that the delivery of a product by a company to one of its customers is sufficient for the company to record revenue