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Q A rectangular casting having the dimensions 3 inch by 5 inch by 10inch solidifies completely in 11.5min. Using n=2 in 2 inChvorinov's rule, calculate the mold constant B. Then compute the solidification time of a 0.5inch by 8inch by 8inch castingpoured under the same conditions?
The mass density of an object is 22.0 g/cc, and its mass is estimated to be 136 gram. Estimate what is the volume of the object
In a playground, there is a small merry-go-round of radius1.20 m and mass 120 kg. Calculate the rotational inertia of themerry-go-round about its axis of rotation
question1when two tuning forks are struck simultaneously 9 pulses of increased sound intensity per second are heard.
Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 547m in 221s.
an electric dipole p of magnitude 25 p c bull m makes an angle of 65ordm with a uniform electric field e of magnitude
A negative charge moves in the direction of a uniform electric field. Does the charge move to a position of higher or lower potential
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion.
Charge Q = 10E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. Which point is at the higher potential
how does the force curve compare to the distance curve? what differences are there? what would you say is the
What must the charge (sign and magnitude) of a particle of mass 1.40 be for it to remain stationary as placed in a downward-directed electric field of magnitude 670.
A proton is traveling due west with a speed of 4E5 m/s and enters a magnetic field of 5E -5 T directed at 30.0 degrees to the direction of the proton's motion, obtain the magnitude and direction of the force on the proton
The armature of an arc generator has 200 turns. Each turn is a rectangular loop with a cross section area of 0.02m^2. What is the magnetic field strength
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