Titiannac20lady Titiannac20lady

09-06-2017
Physics

contestada

A 63 kg object needs to be lifted 7 meters in a matter of 5 secound. Approximately how much horsepower is required to achieve in the task

Respuesta :

15-07-2017

A=ΔEp=mgh=63kg*9.81m/s2*7m=4326.21J
P=A/t=4326.21J/5s=865.24W=1.16hp
1kW=1.34hp

Answer Link

skennedylaw skennedylaw

29-07-2018

work = mgh

power = mgh/t = 63•9.8•7/5 = 864 watts

1 HP = 746 watts

so that is 834/746 = 1.2 HP

Answer Link

Otras preguntas

Brian had 42 class fair tickets to sell. He sold 5/6 of the tickets . How many tickets did Brian sell?

The last movement of Bach's Cantata no. 140 is what texture? a. A ritornello b. Atonal c. Homophonic d. Polyphonic

The predicate of the sentence tells who or what the sentence is about or who or what is doing the action.

Joe has a Target Red Card and receives a 5% discount of every purchase he makes at Target. If t represents the cost of Joe’s purchases at Target, which expressi

Compare and contrast Roosevelt's and Truman's attitudes toward Stalin and the Soviet Union. To what extent was Truman's potential influence over the Soviet's ec

Gary wants to read a 307 page book in ten nights. On the first night, he read 30 pages. If he wants to read the same amount each night that remains , how many p

What makes Greek culture unique?

If you hold your breath, what gas builds up in your blood

When the Aryans migrated to India, what influential concept did they bring to the country? the caste system the decimal system modern farming techniques religio

find the volume of box in cm^3 whose dimensions are 0.40meters long, 12.0 cm wide and 50.0mm deep