Obtain a metric ruler. examine it carefully to determine its smallest interval. in this activity you are going to make measurements using this ruler. decide how many digits should be in the measurements you record. remember, you need to estimate one digit beyond the graduations on the ruler.
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What is the momentum of a 2 kg object moving at 15 meters per second
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The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
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If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction
Answers: 3
Obtain a metric ruler. examine it carefully to determine its smallest interval. in this activity you...
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