12-02-2017
Physics

contestada

what is the force on an object that goes from 35m/s to 85 m/s in 20 seconds and has a mass of 148kg?

Respuesta :

scme1702 scme1702

20-02-2017

We will use Newton's second law to find the resultant force:
F = ma

For this, we need the acceleration given by:
a = (v - u) / t
a = (85 - 35) / 20
a = 2.5 m/s²

F = 148 x 2.5
F = 370 Newtons

Answer Link

Otras preguntas

What unit can you use to find the mass of a bowling ball?

what effect did the breakup of the soviet union have on Cubans?

Which of the following pair of times has an elapsed time of 3 hours and 20 minutes between the times? 3:20 to 6:00 8:40 to 12:00 6:30 to 9:20 5:50 to 8:10

The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x cm and 3x cm

Round the fraction to the nearest whole number. 2/9

Please Help The scientific theory of evolution says A- populations change over time in response to changes in the environment B- that all species are clones C

What are two historic group migrations

Evaluate. [42 ÷ (2 + 3 • 2)] + [4 • (36 – 52)] I really need help!!!

What type of numbers represent parts of a whole? fractions integers decimals

Which passage from Grendel best illustrates the theme life is meaningless