patrickmulbah93 patrickmulbah93

04-07-2021
Physics

contestada

A body of mass 450g changes it speed from 5ms¹ to 25ms¹. what is the work done by the body?

Respuesta :

kushm6652 kushm6652

05-07-2021

Answer:

135J

Explanation:

So we know ΔKinetic Energy= ΔWork

Kinetic energy=1/2mv²

So Kf-Ki=ΔK

ΔK=1/2*0.45(25²-5²)=135J

135J=ΔWork

Answer Link

Otras preguntas

Please help. I need this done badly.

A. Which of the following is the best estimate of the product 9 X 286? 10 X 200 = 2,000 9 X 200 1,800 9 x 300 2,700 10 X 400 4,000 A (В D

Temperatures have fluctuated throughout history, so why are recent global warming trends such a concern for climate scientists? Today's global warming:A.is affe

Name the following formulas/symbols. a) NAD b) NADP c) NADPH

What are the two parts of the principle of intentionality? a) Purpose and action b) Perception and directionality c) Desire and motivation d) Belief and causati

How do i write n=600/p-5 inversed?

Describe the roll of ATP in the muscle cell

how much is heme and non heme iron absorbed daily?

You get 77% on your math quiz. You had 100% in your math class before the test. Whats your new grade. 1) 77 2) 88 3) 99 4) 66

Which of the expressions are equivalent to the one below? Check all that apply. (5.1)-7 A. (15)-7 B. 5. (1+7) C. (5+1)-7 D. 7+ (15) apex. pic below.