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Physics 101 Mechanics Q&A Archive of December 21, 2021

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December 21 of 2021

The roller coaster ride starts from rest at point A. Rank the gravitational potential energy (PE) at each point from LEAST to GREATEST.
The common isotope of uranium, 238U, has a half-life of 4.47 * 109 years, decaying to 234Th. (a) What is the decay constant? (b) what type of decay is it?
A piece of metal weighs 50.0 N in the air, 36.0N in water and 41.0N in an unknown liquid find the density of its metal
Obtain charts like those of Figure 6.23 in order to compare values for propane calculated with STANMIX and TPSI. What can you infer from these charts about the accuracy of the cubic equation of state model if compared to a multi-parameter thermodynamic model?
Draw a technical drawing of the pipe. Determine the maximum force F that can be put on the end of the one side fixed beam (because of permissible bending stresses). L= 102, a= 22 b=17, g=2.5, Low alloy steel
42 \( V_{A}{ }^{2}=3 g R \) \( \Rightarrow V_{A}= \) \( \Rightarrow V_{A}=\sqrt{39 R} \). \( \underline{\underline{H h}}_{-\infty}^{1} v_{i}=0 \) Solve then of provor when when kineara han \( A \) \( \stackrel{v}{v}=? \) no frichemal force, find the final velocity of the Particie hanir mall-m…
\( \Rightarrow V_{A}=\sqrt{3 g R} \)
A 1.5-kg block sliding on a rough horizontal surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position…
A 1.5-kg block sliding on a rough horizontal surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position…
If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position with a speed of 2.0 m/s. What is the coefficient of kinetic friction between the block and the horizontal surface on which it slides?
An air-conditioner with refrigerant-134a as the working fluid is used to keep a room at 22C. The room gains heat through the walls and the windows at a rate of 275kJ/min while the heat generated by the laptop, TV and lights amounts to 880. The refrigerant enters the compressor at 500 kPa as a…
COP ACTUAL MAX COP VOLUMETRIC FLOW
-putty-ball-ball-putty-mass-01-kg-temperature-t-300-k-falls-ground-height-h-m-air-tempera-q63211388?trackid=76087b158a27&strackid=ac84f4ebccb2
The roller coaster ride starts from rest at point A. Rank the gravitational potential energy (PE) at each point from LEAST to GREATEST.
The common isotope of uranium, 238U, has a half-life of 4.47 * 109 years, decaying to 234Th. (a) What is the decay constant? (b) what type of decay is it?
Draw a technical drawing of the pipe. Determine the maximum force F that can be put on the end of the one side fixed beam (because of permissible bending stresses). L= 102, a= 22 b=17, g=2.5, Low alloy steel
A 1.5-kg block sliding on a rough horizontal surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position…
A 1.5-kg block sliding on a rough horizontal surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position…
If this system is displaced 20 cm horizontally from the equilibrium position and released from rest, the block first reaches the equilibrium position with a speed of 2.0 m/s. What is the coefficient of kinetic friction between the block and the horizontal surface on which it slides?
COP ACTUAL MAX COP VOLUMETRIC FLOW