Physics, 08.10.2019 01:20, ahnorthcutt4965
If a ball is thrown vertically upward with a velocity of 128 ft/s, then its height after t seconds is s = 128t β 16t2.
(a) what is the maximum height reached by the ball?
(b) what is the velocity of the ball when it is 240 ft above the ground on its way up? (consider up to be the positive direction.)
(c) what is the velocity of the ball when it is 240 ft above the ground on its way down?
Answers: 2
Physics, 22.06.2019 13:30, Bra1nPowers
6β48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kgΒ·8c.
Answers: 3
Physics, 22.06.2019 14:20, kaylaelaine18
What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
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