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A pilot of mass 70kg pulls out of a dive following a circular path of radius 850m and at a speed of 200m/s. if we consider the pilot at the bottom of the dive (the plane is momentarily level), what is the force that the pilot feels? Compare this force to the pilot's weight (how many times is it greater than the weight).
question1a 50-kg student on a sled starts from rest at a vertical height of 20 m above horizontal base of a hill and
three identical light bulbs, 24 ohm each, are connected in parallel with one another. find the equivalent resistance of the three light bulbs
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83 and a coeficient of kinetic friction of 0.55. How much is the force of friction on the dresser
A uniform metal rod, with a mass of 3 {rm kg} and a length of 1.2 {rm m}, is attached to a wall by the hinge at its base. A horizontal wire bolted to the wall 0.51 m above the base of the rod holds the rod at an angle of 25{rm ^circ} above the hor..
Calculate the cost of electricity using a AA alkaline battery compared to the cost of electricity we use at home
Two ants race across a table 73cm. long. One travels at 4.18cm/s and the other at 3cm/s. When the first one crosses finish line, how far behind is the second one.
A man stands on a frictionless platform that is rotating with an angular speed of 3.3 rad/s; his arms are outstretched and he holds a weight in each hand. what is the resulting angular speed of the platform
A 120g ball moving at 0.50 m/s in the + x direction is subject to a 0.25 N force in the - y direction for 2.5 s, Find the balls final speed
A metal slug is dropped from a height of 1/20 RM above the moon's surface. Find the speed with which the slug strikes the moon's surface
q1. a 2.5g copper penny is given a charge of -0.50 mc.how many excess electrons make up this charge?what is the
A power station delivers 520 kW of power at 12,000 V to a factory through wires with total resistance 3.0. How much less power is wasted if the electricity is delivered
A red light of wave length 6.65x10^-7 is an incident beam perpendicular to a surface of glass. n=1.65 for glass. Calculate wavelength of red light in film
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