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A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +3.7. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror?
A simple pendulum is made from a 0.691-m-long string and a small ball attached to its free end. how much time elapses before it attains its greatest speed
Consider one mole of neon gas at a temperature of 25°C. Assume neon behaves as an ideal, monatomic gas at this temperature. What is the average translational kinetic energy of a neon atom at this temperature? What is the total random translational ki..
A mass moves from rest down an inclined plane with an angle of 60 degrees at the top. find the acceleration of the mass down the ramp
a bicycle tire with a radius of .42 m has a linear velocity of 2.6 ms and an tangential acceleration of -1.0 ms2.i what
A pitcher is employing a ballistic pendulum to determine the speed of his fastball. A 3.3 kg lump of clay is suspended from a cord 2.0 m long, find the speed of the pitch
A baseball is thrown straight up. The drag force is proportional to.In terms of, what is the y-component of ball's acceleration when its speed is half its terminal speed and it is moving up.
Two charges are placed on the x axis. One of the charges q1= +8.5 C is at x1 = + 3.0 cm and the other q2= -21C is at x1 = + 9.0 cm. Find the net electric field (magnitude and direction) at.
A motion sensor and a force sensor record themotion of a cart along a track, as shown above. The cart is given apush so that it moves toward the force sensor and then collideswith it. Determine the mass of the cart.
question1an atomic nucleus of mass 230 u moving at 400 ms emits an alpha particle of mass 4.0 u in direction of its
An occupant of a car has a chance of surviving a crash if the deceleration all through the crash is not more than 30.00 g. Approximation the force on a 72 kg person decelerating at this rate.
During a lightning storm, it is best not to be the highest pointaround (like standing up in a flat open area) or standing nearsomething tall (like a tree). Why not?
An astronaut is tethered by a strong cable to a spacecraft. The astronaut and her spacesuit have a total mass of 104 , while the mass of the cable is negligible. What force does the cable exert on the astronaut
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