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A block is hung by a string from the inside roof of a car. When the car goes straight ahead at a speed of 34 m/s, the block hangs vertically down. But when the car maintains this similar speed around an unbanked curve (radius = 170 meter), the block swings toward the outside of the curve. Find angle θ that the string makes with the vertical?
question a man lifts a 1.8 kg stone vertically.at some instant of time t1 during the beginning of the lift the stone is
A single-turn circular loop of radius 8.00 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7G directed at 70 below the horizontal north direction. Find out the current in the loop.
The coefficient of kinetic friction between a refrigerator (mass 100kg) and the floor is 0.20, and the coefficient of static friction is 0.25. If you apply the minimum force needed to get the refrigerator to move, what will the acceleration be?
A circular wire loop whose radius is 18.0 cm carries current of 2.30 A. Calculate the magnetic dipole moment of the loop
The scale of a spring balance that reads from 0 to 15.0 kg is 12.0 cm long. How much does the package weigh
A concave mirror has a radius of curvature of 24cm. Determine the object position for which the resulting image is upright, draw a ray diagram to determine the position of the image
A silicon sample is doped with phosphorus at 1.17 parts per 1.00*10^6, Calculate the number of free (conduction) electrons per unit volume of the doped silicon in conduction electrons per cm^3
An axon is the relativelylong tail-like part of a neuron, or nerve cell. Theoutersurface of theaxon membrane (dielectric constant = 5, thickness = 1 x10-8 m) ischarged positively, and the inner portion is charged negatively.Thus, the membrane is a ki..
Moist air moves over land where the temperature is 68F and r = 0.7. Through contact with the ground the air cools. At what temperature will fog form? Consider constant latent heat of vaporization equal to 2.45 x 10^6 J/kg.
A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.05 cm and is 2.15 m above the bottom of the tank. What is the gauge pressure in the outlet pipe
Estimate the average force exerted by a shot-putter on a 7.0-kg shot if the shot is moved through a distance of 2.4m
A projectile is fired at v0 = 407.0 m/s at an angle of ? = 72.0o with respect to the horizontal. How far will the projectile travel in the horizontal direction
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