Physics, 18.03.2021 14:00 shelbycg02
A 20.0 kg cart moves down a level hallway with a velocity of 6,50 m/s. A constant 10 N force
acts on the cart, slowing its velocity to 1.20 m/s. How far did the cart move while the force
acted?
Answers: 3
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6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
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What do you think car designers do if the damage caused by a crash test is too severe?
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Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o
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Astudent throws a water balloon with speed v0 from a height h = 1.76 m at an angle θ = 21° above the horizontal toward a target on the ground. the target is located a horizontal distance d = 9.5 m from the student’s feet. assume that the balloon moves without air resistance. use a cartesian coordinate system with the origin at the balloon's initial position. (a) what is the position vector, rtarge t, that originates from the balloon's original position and terminates at the target? put this in terms of h and d, and represent it as a vector using i and j. (b) in terms of the variables in the problem, determine the time, t, after the launch it takes the balloon to reach the target. your answer should not include h. (c) create an expression for the balloon's vertical position as a function of time, y(t), in terms of t, vo, g, and θ. (d) determine the magnitude of the balloon's initial velocity, v0, in meters per second, by eliminating t from the previous two expressions.
Answers: 3
A 20.0 kg cart moves down a level hallway with a velocity of 6,50 m/s. A constant 10 N force
acts o...
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