Question

Для будівельних робіт потрібно 90 метрів кубічних сухого піску. Скільки рейсів має зробити для первезення сухого піску вантажний автомобіль вантажнопідйомність 4,5 тон? р=1500КГ/МЕТР КУБІЧНИЙ

Answer 1

V=90 м3, М1=4500 кг,р=1500 кг /м3; Найти N. Решение: N=V/V1; V1= м1/р, N=Vp/м1= 90*1500/4500=30 рейсов

Answer 2

It looks like you're asking about the number of trips a freight truck would need to make to transport 90 cubic meters of dry sand, given that the truck has a load capacity of 4.5 tons and the density of dry sand is 1500 kg per cubic meter. Let's calculate that.

Calculation:

To find out how many trips the truck needs to make, we can start by calculating the weight of 90 cubic meters of dry sand.

1. Calculate the Weight of Dry Sand: - Density of dry sand: 1500 kg/m³ - Volume of dry sand needed: 90 m³ - Weight of dry sand = Volume × Density - Weight of dry sand = 90 m³ × 1500 kg/m³

Using the above information, we can calculate the weight of the dry sand.

Weight of Dry Sand Calculation:

- Weight of dry sand = 90 m³ × 1500 kg/m³ - Weight of dry sand = 135,000 kg

Now that we know the weight of the dry sand, we can proceed to calculate the number of trips the truck needs to make.

2. Calculate the Number of Trips: - Load capacity of the truck: 4.5 tons - Convert 4.5 tons to kilograms: 4.5 tons × 1000 kg/ton

Number of Trips Calculation:

- Number of trips = Weight of dry sand / Load capacity of the truck - Number of trips = 135,000 kg / (4.5 tons × 1000 kg/ton)

Let's calculate the number of trips based on the provided information.

Final Calculation:

- Number of trips = 135,000 kg / (4.5 tons × 1000 kg/ton) - Number of trips ≈ 30 trips

So, the freight truck would need to make approximately 30 trips to transport 90 cubic meters of dry sand, given a load capacity of 4.5 tons and a density of 1500 kg per cubic meter.