Question

Автомобиль движется по трассе со скоростью 180 км/ч обладает кинетической инергией 2,5мдж определите массу автомобиля СРОЧНО ПОЖАЛУЙСТА если можно с дано)

Answer 1

Автомобиль обладает кинетической энергией, т.к. движется. Ek=mV^2/2; 
m=2Ek/V^2; Ek=2.5*10^6 Дж; V=180/3.6=50 м/с; m=2*2.5*10^6/50^2=2000 кг;
Ответ: m=2000 кг

Answer 2

Calculation of the Mass of the Car

To determine the mass of the car, we can use the formula for kinetic energy:

Kinetic Energy (KE) = (1/2) * mass * velocity^2

Given that the car is moving at a speed of 180 km/h and has a kinetic energy of 2.5 MJ (megajoules), we can rearrange the formula to solve for mass:

mass = (2 * KE) / velocity^2

Substituting the given values:

mass = (2 * 2.5 MJ) / (180 km/h)^2

Before proceeding with the calculation, we need to convert the units to a consistent system. Let's convert the speed from km/h to m/s and the kinetic energy from MJ to J.

1. Converting the speed: - 180 km/h = (180 * 1000 m) / (3600 s) = 50 m/s

2. Converting the kinetic energy: - 2.5 MJ = 2.5 * 10^6 J

Now, we can calculate the mass of the car:

mass = (2 * 2.5 * 10^6 J) / (50 m/s)^2

Calculating the above expression gives us the mass of the car.

Please note that the given information does not provide any specific details about the car or its characteristics. Therefore, the calculated mass will be an approximation based on the given data.

Let's proceed with the calculation.