Part A: 5.25
Average speed is 5.25 mi per hr
Part B: 8 hrs because
42 divided by 5.25 is 8
Step-by-step explanation:
3x + 4 + 2x +7
= 3x + 2x + 4 + 7
= 5x + 11
Answer:
None of these
Step-by-step explanation:
Normally, we consider "weight" to be the force due to gravity that an object exerts in the downward direction. It has a positive value equal to the magnitude of "mg". In this instance, it would be ...
... |(10 kg)·(-9.8 N/kg)| = |-98 N| = 98 N
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However, you're specifically told to use ...
... w = mg
... w = (10 kg)(-9.8 m/s²) = -98 N
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