You have decided to study the effect of loud noise on plant growth. you put one plant in a quiet room and the other plant in your school's band hall. providing each plant with the same amount of water is an example of a
a. data.
b. control.
c. variable.
d. observation.
Answers: 1
Physics, 21.06.2019 16:10
The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.
Answers: 3
Physics, 22.06.2019 02:00
The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.
Answers: 2
Physics, 22.06.2019 04:10
Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l
Answers: 2
Physics, 22.06.2019 08:30
The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.
Answers: 2
You have decided to study the effect of loud noise on plant growth. you put one plant in a quiet roo...
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