haaarth87 haaarth87

18-11-2018
Physics

contestada

A man has a power of 90 W and mass 60 kg runs up a staircase in 40 s. If each staircase is 20cm high find the number of steps? (physics grade 9- GRAVITATION)

Respuesta :

Aaron5795 Aaron5795

18-11-2018

I showed my working in the images above. if you have any questions please feel free to ask

Ver imagen Aaron5795

Ver imagen Aaron5795

Answer Link

Otras preguntas

here are some numbers: 8, 11, 13, 18, 25, 37 8, 13 , 18 is an arithmetic progression and the rule is to add 5 use three of the numbers to make a different arith

How would 3 3/4 be written as a percent? A. 375% B. 3.75% C. 0.375 D. 0.0375

problem when you go camping and have a fire to roast marshmallows,what happen to the wood at the end of the night? it burns and we call this a chemical change.

A marketing research company is estimating the average total compensation of CEOs in the service industry. Data were randomly collected from 18 CEOs and the 99

f(x) = (x + 1)(x - 3)(x-4) Need help ASAP

Martin put 8 pounds of grapes into a bowl. Four friends each took 2/3 pound from the bowl. What fraction represents the total amount of grapes removed from the

5. Sandor fills a bucket with water and whirls it in a vertical circle to demonstrate that the water will not spill from the bucket at the top of the loop. If t

Which expressions are equivalent to -2.3 - 8.7 + (-5). Select all that apply? A. -2.3-(-8.7)+(-5) B. 2.3-8.7-5 C. -2.3- 8.7 - (-5) D. 2.3-8.7-(-5) E.-2.3+ (-8.7

Please explainA watermelon cost $2. a jackfruit cost $4 and a durian cost twice as muchas a jackfruit. Darren spent $324 on some watermelons, jackfruits and5dur

yooooooooooooooooooooooooooooooooo i need help pleasee