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An aluminum rod is 24.0 cm long at 20°C and has a mass of 350 g. If 14,000 J of energy is added to the rod by heat, what is the change in length of the rod?
mm
A wave of amplitude 0.40 m interferes with a second wave of amplitude 0.3 m traveling in the same direction. (a) What is the largest resultant amplitude that can arise.
Find out the sum of these four vector forces: 12N to the right at 35.0° above the horizontal, 31.0 N to the left at 51.5° above the horizontal, 7.45N to the left at 35.0° below the horizontal, and 24N to the right at 48.0° below the horizontal.
A baseball (m = 148 g) approaches a bat horizontally at a speed of 41.5 m/s (93 mi/h) and is hit straight back at a speed of 45.9 m/s (103 mi/h).
find the vertical component of a baseball's velocity if the ball is thrown at a 28m/sec at an angle of 37 degrees with the horizontal.
A box of mass 15 kg is dragged by a 50 N horizontal force a distance of 10 m over a rough surface with the coefficient of friction = 0.14 the work done by friction force.
An electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot.
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
A circular coil of wire with 10 turns and a 4.0 cm radius is located between the poles of a large electromagnet that produces a uniform magnetic field of 0.5T. Calculate the average induced emg across the ends of the loop
what is the new value of energy stored in it. What is the force that is acting between them.
A certain single ion channel is selectively permeable to K and has a resistance of 1.15 G?, How many K ions travel through the channel during this time
An alpha particle and beta^ {-} particle, each with kinetic energy 35 {rm keV}, are sent through a 1.10 {rm T} magnetic field. The particles move perpendicular to the field. Find the curvature radius for alpha particle's trajectory. Hint: The kine..
Two coins, carrying identical charges, lie 1.5 m apart on a table and a coin experiences a force of 2.0 N, How large is the charge on each
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