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A 0.2 m^3 rigid tank initially contains refrigerant 134a at 1 MPa, saturated vapor. The tank is connected to a supply line that contains refrigerant 134a at 1.2 MPa, 30 degrees C. Refrigerant is allowed to enter the tank until the tank contains saturated liquid at 1.2 MPa Determine:
a. the mass of refrigerant that has entered the tank (kg)b. the final temperature in the tank (degrees C)c. the amount of heat transfer (kJ).
A -10nC charge is located at (0,0) on the x-y axis. What are the magnitudes of the electric field vectors at positions: (5 cm, 5 cm) and (0 cm, 5 cm)?
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
When jumping, a flea reaches a takeoff speed of 1.2 m/s over a distance of 0.45mm, How long does the acceleration phase last
Two polarizers are out of alignment by 22.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters
A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J. What was the initial..
A single circular loop of radius 0.53 m carries a current of 3.2 A in a magnetic field of 0.95 T. What is the maximum torque exerted on this loop
An athlete does the 100 m dash. If observers on a spaceship moving with a speed of 0.741c relative to Earth see the athlete's run, find the time that was recorded on Earth
A microwave transmitter emits electromagnetic waves of a single wavelength. The maximum electric field 3.32 km from the transmitter is 192 mV/m. Calculate the total power emitted by the transmitter
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
Wile E. Coyote and the Roadrunner are fictional cartoon characters. The premise of the cartoon is that Wile E. Coyote unsucessfully tries to catch the very fast, What is the velocity of the combined system of two wagons
A 851-kg car stopped at an intersection is rear-ended by a 1760-kg truck moving with a speed of 17.5 m/s. find the final speed of both vehicles after the collision
A hockey puck has a mass of 0.116 kg and is at rest. A hockey player makes a shot, exerting a constant force of 27.5 N on the puck for 0.16 s. With what speed does it head toward the goal
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