Physics, 15.02.2020 04:00, iornstricker
A truck loaded with sand accelerates along a highway. The driving force on the truck remains constant. What happens to the acceleration of the truck as its trailer leaks sand at a constant rate through a hole in its bottom?
(A) It increases at a steady rate.
(B) It remains constant.
(C) It decreases at a steady rate.
(D) It increases and then decreases.
(E) It decreases and then increases.
Answers: 2
Physics, 21.06.2019 15:00, rafrod75
If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.
Answers: 2
Physics, 22.06.2019 16:00, Nigward666
The solid that is formed and usually sinks to the bottom of a solution is the
Answers: 2
Physics, 22.06.2019 22:50, mdg5605
The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 3
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