Physics, 04.01.2020 06:31 maryjane8872
Acar moves along a road that has markers every kilometer. over time, it passes the markers in shorter periods of time. which best describes the motion of the car? a the car is keeping the same direction. b the car is maintaining the same speed. c the car is increasing speed. d the car is changing direction.
Answers: 2
Physics, 22.06.2019 06:00
An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
Answers: 3
Physics, 22.06.2019 07:30
The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
Answers: 1
Physics, 22.06.2019 17:00
Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c.what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?
Answers: 1
Physics, 22.06.2019 17:10
It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .
Answers: 1
Acar moves along a road that has markers every kilometer. over time, it passes the markers in shorte...
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