1.A box sliding with a constant speed down a ramp exhibits in decreasing velocity (false or true)
2.it takes you 1.5 minutes to walk with an average velocity of 1.8m/s to the north from the bus to stop the musuem entrance. the displacement will be equal to 1.620 x 10³ (true or false)
3.simpson drives his car with an average velocity of 72.0 km/h to the east. it will take him 2.8 hours to drive 144 km on a straight high way (true or false)
4.heather and matthew walk with an average velocity of 2m/s east ward. if it takes them 45 min to walk to the store, their displacement will be equal to 4500 (true or false)
Answers: 2
Physics, 21.06.2019 22:00
Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch
Answers: 1
Physics, 21.06.2019 22:00
Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning
Answers: 2
Physics, 22.06.2019 14:30
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
1.A box sliding with a constant speed down a ramp exhibits in decreasing velocity (false or true)
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