A bag of sugar weighs 2.50 b on Earth. What would it weigh in newtons on the Moo

Question

A bag of sugar weighs 2.50 b on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? Repeat for Neptune, where g is 1.44 times that on Earth. Find the mass of the bag of sugar in kilograms at each of the three locations Earth Moon Neptune kg kg kg Two forces are applied to a car in an effort to move it, as shown in the figure below. (Let F-40S N and F2·356 N. Assume up and to the right are in the positive drection 10* (a) What is the resultant vector of these two forces magnitude direction o to the right of the forward direction b) If the car has a mass of 3,000 kg, what acceleration does it have? Ignore friction. m/s A freight train has a mass of 1.0x 10' kg. If the locomotive can exert a constant pul of 8.4 x10 N, how long does it take to increase the speed of the train from rest to 76 km/h? min

Explanation / Answer

1. 185.2167 N.

2. 1600.2726 N.

3. 113.398 kg, 113.398 kg, 113.398 kg.

4. (a) Magnitude: 715.31 N, direction: 0.080 to the right of the forward direction. (b) 0.24 m/s2.

5. 4.18 min.

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