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Your textbook has a mass of 2 Kg. Its dimensions are 28 cm by 23 cm by 3 cm. It is standing right side up on your book shelf resting on the smallest area. Calculate the pressure the book applies on the table in Pascals.
A device used in radiation therapy for cancer contains 0.38 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
A solenoid 110 cm long and 2.40 cm in diameter carries a current of 16 A. Find the length of wire forming the solenoid
A 5.2 x10^2-newton girl takes 10. Seconds to run up two flights of stairs to a landing, a total of 5.0 meters vertically above her starting point. What power does the girl develop during her run.
A coin placed on a turntable rotating at 36.1 rev/min will stay there if its center is placed no further than 7.1cm from the axis of rotation. find the maximun distance the center of the coin can be placed
A railroad locomotive with a mass of can exert a force of. At what rate can it accelerate when pulling a train
In Chapter 10 in the textbook, we saw that the Achilles tendon will stretch and then rebound, storing and returning energy during a step. What is the spring constant of her Achilles tendon
The equation describing a transverse wave on a string is y(x,t)=( 4.50mm )sin[( 168s?1 )t?( 42.8m?1 )x]. Find the speed of motion of this wave
Find the minimum volume of concrete (y = 23.6 kN/m3) needed to keep the gate (1 m wide) in a closed position; l = 2 m. Note the hinge at the bottom of the gate. Explain briefly.
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
Water flows through a pipe with circular cross section. The fluid has a radius of 5.0 cm and flows at 2.0m/s. The output has a radius of 2.50 cm. find the output velocity.
ow does this change in amplitude affect the wave's frequency.
A certain person can see clearly objects at distances between20cm and 250cm from his eyes, what will be his least distance of distinct vision, when he is wearing the spectales
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