Physics, 06.09.2019 16:30 GreenHerbz206
Amajor force opposing the motion of a vehicle is the rolling resistance of the tires, fr, given by fr f w where f is a constant called the rolling resistance coefficient and w is the vehicle weight. determine the power, in kw, required to overcome rolling resistance for a truck weighing 322.5 kn that is moving at 110 km/h. let f 5 0.0069
Answers: 2
Physics, 21.06.2019 22:00
To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .
Answers: 1
Physics, 22.06.2019 15:00
What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?
Answers: 1
Physics, 22.06.2019 17:40
Emmy kicks a soccer ball up at an angle of 45° over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive ‑ and ‑directions, respectively, and use ≈10 m/s2 for the downward acceleration due to gravity.
Answers: 2
Physics, 23.06.2019 02:00
How is an electron dot structure used to represent a covalent bond?
Answers: 2
Amajor force opposing the motion of a vehicle is the rolling resistance of the tires, fr, given by f...
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