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A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 x 103 kg and maintains an acceleration of +4.20 m/s2 for 5.50 s. Assume that a single horizontal force (not shown) accelerates the vehicle. Determine the average power generated by this force.
A heat engine does 502.23 J of work per cycle while exhausting 94.69 J of waste heat. What is the engine's thermal efficiency in percent
A point source of light is submerged 3.58 m below the surface of a lake and emits rays in all directions. On the surface of the lake, directly above the source, the area illuminated is a circle. What is the maximum radius that this circle could have?
A force in the negative direction of an x axis is applied for 34 ms to a 0.40 kg ball initially moving at 16 m/s in the positive direction of the axis. What is the ball's speed just after the force is applied
you are designing a process to store pressurized argon gas a monatomic gas. you start with 3 moles of argon at a
The pressure at the top of a tank of jet fuel is 180.6 kN/m^2. The depth of the liquid in the tank is 6.4 m. The density of the fuel is 825 kg/m^3. Compute the head of the liquid in m that corresponds to the absolute pressure at the bottom of the tan..
A 60 kg block is pushed 5m up a fricitonless incline to a height 1m above the ground. How much work is done by the person on the block pushing it up the incline
Derive the magnitude of the angular momentum vector of the electron in the ground state in tritium.
Blue light of frequency 6.0 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons
The model airplane in Figure 5.7 is flying at a speed of 14.4 m/s on a horizontal circle of radius 17.2 m. The mass of the plane is 1.19 kg. What is the net work done on the plane
An ambulance with a siren emitting a whine at 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. How fast is the ambulance moving
use gauss law and amperes law to find both the capacitance per unit length and the inductance per unit length of a
1. Discuss the history of psychology listing influential persons who have contributed to the discipline of psychology.2. Compare & contrast experimental research versus descriptive/correlational research and explain methods of evaluating research.
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