Physics, 27.10.2020 15:30 ilovejustinbieber42
I'll give brainliest to whoever answers this.
A riverboat is shown starting at position A on the east bank of a river. The boat heads towards position B with a speed of 3.8 m/s. But because of a current with a speed of 1.8 m/s, the boat lands on the west bank of the river at position C, a location downstream from B.
Questions: (Each correct answer is worth 2 points)
What is the magnitude of the resultant velocity of the boat?
What is the direction of the resultant velocity of the boat?
Answers: 2
Physics, 22.06.2019 05:40
The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
Answers: 1
Physics, 22.06.2019 11:20
The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)
Answers: 3
I'll give brainliest to whoever answers this.
A riverboat is shown starting at position A on the ea...
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