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Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
Presume that the resistance between the walls of a biological cell is 4.5 × 109?. (a) What is the current when the potential dissimilarity between the walls is 68 mV? (b) If the current is composed of Na+ ions (q = +e), how many such ions flow in 0.7..
Wrongly called for a foul, an angry basketball player throws the ball straight down to the floor. If the ball bounces straight up and returns to the floor 2.2 s after first striking it, what was the ball's greatest height above the floor?
Rod ABD is guided by wheels at A and B that roll in horizontal and vertical tracks. Knowing that at the instant shown n ß =60° and the velocity of wheel B is 800 mm/s downward, determine
Consider an adiabatic turbine operating steadily. Does the work output of the turbine have to be equal to the decrease in energy of the steam flowing through it??
A singly charged positive ion has a mass of 1.77 × 10^?26 kg. Find the radius of the ion's path in the field
A charge q=-1.0 nC is instantaneously at a place where the electric field is 45 kN/C due east. hat are the magnitude and direction of the electron force on this charge
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
a 10.0kg, 16.0m long, uniform beam is supported by two scales. A 40.0kg box is placed on the beam. what are the scale readings
A beam of sodium light (landa =589 nm) is incident from air on a smooth surfac of water at an angle of 65 degrees (with respect to the vertical). Determine the wavelength of the light in the water
A spacecraft is in a circular orbit regarding the moon, 1.76x10 5 m above its surface. The speed of the spacecraft is1800 m/s, and the radius of the moon is 1.74x 10 6 m. If the moon were a smooth, reflective surface,
a coal-fired electric power plant has an overall efficiency of 28 and an output of 1845 megawatts. how many tera joules
A uniform electric field of magnitude 405N/C pointing in the positive x-direction acts on anelectron, which is initially at rest. The electron has moved2.90 cm. What is the work done by the field on the electron?
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