swdecfvg
swdecfvg swdecfvg
  • 01-03-2021
  • Physics
contestada

A car travelling at 10 m/s has 75 kJ of KE. Calculate the car’s mass.

Will give brainliest

Respuesta :

mamyamirah
mamyamirah mamyamirah
  • 01-03-2021

Answer:

[tex]k.e = \frac{1}{2} MV {}^{2} \\ 75 = \frac{1}{2} m10 {}^{2} \\ \frac{75}{100} = \frac{1}{2} m \\ \\ 0.75 \times 2 =m \\ m = 1.5kg[/tex]

the mass of car is 1.5kg

Answer Link

Otras preguntas

PLEASEE HELPPP!!!! Which expression is equivalent to (4^−3)^−6? (a) 4^3 (b) 4^−18 (c) 4^18 (d) 4^-9
In one town, 47% of all voters are Democrats. If three voters are randomly selected for a survey, what is the probability that they are all Democrats?
6+q=1 Help I forgot how to do these.
PLEASE PLEASE HELP!!!!!!!!!!!!!!!!!
the ratio of marks age to reeta's age is 3:5 marks age is 24 work out reeta's age
Which inequality is true?
Plsssss helpppppppppp meeeeeeeeee
12r − m; r=-2; m=12 could you help me with this???
X Which of the following statements accurately describes the idea of representative government? Electing legislators to pass legislation on behalf of citizens
What is the solution of each equation? 3. 7 + n = –5 A. –12 B. –2 C. 2 D. 12