Physics, 07.04.2021 14:00 madivassallo
If Earth's mass decreased to one half its original mass, with no change in radius, then your weight would *
1 point
A decrease to one half your original weight
B increase two times.
C stay the same
D decrease to one quarter your original weight
Centripetal acceleration is caused by *
1 point
A the radius of an object’s circular motion.
B constant change in direction.
C a change in object’s tangential speed.
D a change in object’s linear velocity.
Answers: 2
Physics, 22.06.2019 16:40
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
Physics, 23.06.2019 08:00
Use henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.7 l of water upon warming from 25 Ëšc to 50 Ëšc. assume that the water is initially saturated with nitrogen and oxygen gas at 25 Ëšc and a total pressure of 1.0 atm. assume that the gas bubbles out at a temperature of 50 Ëšc. the solubility of oxygen gas at 50 Ëšc is 27.8 mg/l at an oxygen pressure of 1.00 atm. the solubility of nitrogen gas at 50 Ëšc is 14.6 mg/l at a nitrogen pressure of 1.00 atm. assume that the air above the water contains an oxygen partial pressure of 0.21 atm and a nitrogen partial pressure of 0.78 atm.
Answers: 2
Physics, 23.06.2019 23:20
Avariety of factors influence enzyme activity. substances that bind to the enzyme and interfere with substrate binding or catalysis are inhibitors. identify the type of inhibition associated with each of the following descriptions and examples by sorting each item into the appropriate bin.
Answers: 1
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