Physics, 03.07.2020 01:01 katiepotter
A person is trying to drag a box with a mass of 30 kg on a flat floor using a rope attached
to it. The static frictional coefficient between the box and floor is 0.50. The angle
between the horizontal direction and the rope is 30
o
. What is the minimum force the
person needs to have to move the box along the floor?
Answers: 2
Physics, 22.06.2019 03:00
Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.
Answers: 1
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 11:20
If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant
Answers: 3
A person is trying to drag a box with a mass of 30 kg on a flat floor using a rope attached
to it....
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