Physics, 01.09.2019 02:50 ultimatesaiyan
How much work does a mother do if she lifts each of her twin babies upward 1.0 m? each baby weighs 90 n.
Answers: 2
Physics, 22.06.2019 10:30
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
Physics, 22.06.2019 11:00
If angle "a" is 25ยฐ, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
Physics, 22.06.2019 13:00
The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 ยฐc, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
How much work does a mother do if she lifts each of her twin babies upward 1.0 m? each baby weighs...
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