Physics, 12.12.2020 16:20 yurionice42069
An empty shopping cart is pushed along a grocery store aisle at constant velocity. Find the carts weight and the friction force if the shopper produces a force of 40.0 Newton’s between the wheels and the floor, and the normal force on the cart is 105 Newton’s
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Physics, 22.06.2019 17:30
Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
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Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
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Physics, 22.06.2019 20:20
Area around a charged object where the objects can exert a force on another charged objects is an electric
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An empty shopping cart is pushed along a grocery store aisle at constant velocity. Find the carts we...
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