Physics, 09.11.2019 11:31 rosiegirl313
Mary wants to get better at archery. in order to do this, she has created a list of skills she will need to improve. which skill should get the most of her attention in order for her to excel at archery?
a. speedb) coordinationc)agilityd)reaction time
Answers: 1
Physics, 21.06.2019 19:00
Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?
Answers: 2
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
Physics, 23.06.2019 01:00
7types of electromagnetic waves from lowest to highest frequency
Answers: 3
Mary wants to get better at archery. in order to do this, she has created a list of skills she will...
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