To find the weight of each metal, we need to multiply their densities by the volume.
For gold:
Density = 0.70 pounds per cubic inch
Volume = 1 cubic foot = 1728 cubic inches
Weight = 0.70 pounds/inch^3 * 1728 inches^3 = 1209.6 pounds
For copper:
Density = 8.96 grams per cubic centimeter
Volume = 1 cubic foot = 28316.8 cubic centimeters
Weight = 8.96 grams/cm^3 * 28316.8 cm^3 = 253723.648 grams = 559 pounds (approximately)
Therefore, the gold will weigh 1209.6 pounds and the copper will weigh 559 pounds.
Gold has a density of 0.70 pounds per cubic inch and copper has a density of 8.96 grams per cubic centimeter. How much will 1 cubic foot of each metal weigh? 1 ft3 = 1728 in3. 1 ft3 = 28, 316.8 cm, and 1 1b = 453.5 g
Use the equation p = m/V
(1 point)
The gold will weigh 4063.4 pounds and the copper will weigh 12,096 pounds.
The gold will weigh 559 pounds and the copper will weigh 1209.6 pounds.
The gold will weigh 1209.6 pounds and the copper will weigh 559 pounds
The gold will weigh 12,096 pounds and the copper will weigh 4063.4 pounds.
3 answers
Suppose you are deciding whether to take a train or a car to travel 3,000 miles across a country. The train travels at 95 kilometers an hour, whil
a car will travel 65 miles per hour on average. Which mode of transportation will take less time? Note that 1 mi = 1.6 km. (1 point)
O The train will take less time because it travels at a faster speed. The train will travel at 95
쁜 x 1.6 m
= 152 mIl while the car travels at 65 mI
g5 km
O The car will take less time because it travels at a faster speed. The train will travel at 65 m
- while the car travels at
16 m
- 59.03 m
O The train will take less time because it travels at a faster speed. The train will travel at 65 m while the car travels at 95 km × 1.6 km = 152 m
• The car will take less time because it travels at a faster speed. The train will travel at
95 u
=59.03 프
- while the car travels at 65 #
a car will travel 65 miles per hour on average. Which mode of transportation will take less time? Note that 1 mi = 1.6 km. (1 point)
O The train will take less time because it travels at a faster speed. The train will travel at 95
쁜 x 1.6 m
= 152 mIl while the car travels at 65 mI
g5 km
O The car will take less time because it travels at a faster speed. The train will travel at 65 m
- while the car travels at
16 m
- 59.03 m
O The train will take less time because it travels at a faster speed. The train will travel at 65 m while the car travels at 95 km × 1.6 km = 152 m
• The car will take less time because it travels at a faster speed. The train will travel at
95 u
=59.03 프
- while the car travels at 65 #
To determine which mode of transportation will take less time, we can compare the time it takes for both the train and car to travel 3000 miles.
For the train:
Speed = 95 kilometers per hour
Distance = 3000 miles
Time = Distance / Speed = 3000 miles / 95 kilometers/hour = 31.58 hours
For the car:
Speed = 65 miles per hour
Distance = 3000 miles
Time = Distance / Speed = 3000 miles / 65 miles/hour = 46.15 hours
Therefore, the train will take less time as it will take approximately 31.58 hours, while the car will take approximately 46.15 hours.
For the train:
Speed = 95 kilometers per hour
Distance = 3000 miles
Time = Distance / Speed = 3000 miles / 95 kilometers/hour = 31.58 hours
For the car:
Speed = 65 miles per hour
Distance = 3000 miles
Time = Distance / Speed = 3000 miles / 65 miles/hour = 46.15 hours
Therefore, the train will take less time as it will take approximately 31.58 hours, while the car will take approximately 46.15 hours.
1 answer