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Blood from an animal is located in a bottle 1.79 meter above a 3.20 centimeter long needle of inside diameter 0.360 millimeter from which it flows at a rate of 4.23 cm3/min.
Compute what is the viscosity of this blood? (Assume density "rho" of (blood) = 1050 kg/m3).
You accidentally drop a pen from 1.1 m above the floor. How long does it take for the pen to reach the floor
A double star is a system of two stars (say having massesm1 and m2) moving around the centre ofinertai of the system due to gravitation. Then find the ratio of sweeps of area of star of mass m1 to the star of massm2 ?
An electron (charge -e) is projected horizontally into the space between two oppositely charged parallel plates. The electric field between the plates is 462N/C upward.
One ton of coal is burned by a power plant every minute. The energy produced when one kg of coal is burned is 3.2 x 10^7 joules. calculate the efficiency of the power plant
The wheels of a bicycle have an angular velocity of +20.0 rad/s. Then the brakes are applied. Find how much time does it take for the bike to come to rest
An object has a kinetic energy of 303 J and the momentum of magnitude 22.9 kg·m/s. Find the speed and the mass of the object.
Suppose a cylinder is resting on a horizontal platform on plane x-y with its axis parallel to the y axis, What is the motion (acceleration:linear as well as rotational) of the cylinder
A wire has a current density of 17.0 A/mm2. If Thedrift velocity is 4.0 x 10-8 m/s, how many free electrons does the wire have in a 1.0 m length
a ball is thrown straight down from the top of a cliff with a speed of 5 ms. the cliff-top is 20 m above ground level.
(a) How many times does PSR 1937+21 rotate in 77.0 days? (b) How much time (in s) does the pulsar take to rotate 5.00 × 106 times and (c) what is the associated uncertainty, in s?
What do we call mineralsthat have the same combinations of elements, but a different arrangement of element?
A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 22 degrees.If the mirror is now rotated so that the angle of incidence increases by 5.0 degrees, what is the new angle between t..
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