Answered

a tractor trailer truck carrying boxes of toy rubber ducks stops at a weigh station on the highway. The driver is told that the truck weighs 44,000 pounds.

CThe truck drops off its load of toys, then stops at a second weigh station. Now the truck weighs 33,000 pounds. What is its weight in newtons?
DChallenge! Find the total mass of the rubber duck filled boxes that were carried by the truck.

Verified Answer :

a.If there are 4.4 newtons in a pound, what is the weight of the toy-filled truck in newtons?
193,600 N
b.What is the mass of the toy-tilled truck?
19755.1 kg
c.The truck drops off its load of toys, then stops at a second weigh station. Now the truck weighs 33,000 pounds. What is its weight in newtons?
145,200 N
d.Challenge! Find the total mass of the rubber duck-filled boxes that were carried by the truck.
4,938.8 kg

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Answer:

c. The truck drops off its load of toys, then stops at a second weigh station. Now the truck weighs 33,000 pounds. What is its weight in newtons?

148,500 N

D. Challenge! Find the total mass of the rubber duck filled boxes that were carried by the truck.

4,950kg

Explanation:

First things first, a Newton (N) is \(\frac{kg*m}{s^{2} }\) so we need to convert pounds into kilograms.

1 pound is 0.45 kg.

So 33,000 pounds is equal to: 33,0000.45=14,850kg, this right here is actually mass

Now, weight is massgravitational acceleration.

Gravitational acceleration is equal to 9.8\(\frac{m}{s^{2} }\), but it's usually rounded up to 10\(\frac{m}{s^{2} }\) to simplify calculations so:

C. The truck drops off its load of toys, then stops at a second weigh station. Now the truck weighs 33,000 pounds. What is its weight in newtons?

14,850kg 10\(\frac{m}{s^{2} }\)= 148,500 \(\frac{kg*m}{s^{2} }\)= 148,500 N

D. Challenge! Find the total mass of the rubber duck filled boxes that were carried by the truck.

Mass with the load: 44,000 pounds

Mass without the load: 33,000 pounds

Mass of the load = mass with load - mass without = 11,000

Mass of the load in kg = 11,0000.45=4,950kg

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