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Compute the force on an airplane which has acquired a net charge of 145 C and moves by a speed of 135 m/s perpendicular to the Earth's magnetic field of 5.0 multiplied by 10-5 T.
Estimate the fractional error (%) on the left side and on the right side of the equation based on the precision of the available equipment in class: the pulling mass is measured by slotted weights with precision of 10 gram
A rock weighing 7043 N rock with a volume of 18 L iscompletely submerged in mercury. The density of mercury is 13.6 kg/L. Determine the density of the rock
a string is wrapped many times around a pulley and is connected to a block with mb 4.601 kg that is hanging
A small solid sphere, with radius 0.25 cm and mass 0.56 g rolls without slipping on the inside of a large fixed hemisphere with radius 15 cm, What is its kinetic energy at the bottom
You note that your prescription for new eyeglasses is -3.75 D. What will their focal length be
A physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod. The sphere has a moment of inertia of 2/5 MR2. The period of the physical pendulum is
On an icy (nearly frictionless) street a 600 kg car traveling straight east at 5 m/s collides with a 1000 kg car traveling straight north at 3 m/s. what is the final speed of the second car
an object of height 3.70 cm is placed 27.0 cm from a convex spherical mirror of focal length of magnitude 12.5 cm.a
Greenland Icecap
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. These blocks are allowed to move on a fixed block-wedge of ..
When the Sun evolves to the red giant stage its radius may increase to as high as 100 solar radii. Using the expression density = Mass/volume, and assuming the mass doesn’t change, by what factor does the Sun’s density change when it expands to the r..
Recognize and sketch all the external forces acting on the chair. Because the chair can be represented as a point particle of mass, draw the forces with their tails centered on the black dot in the middle of chair. Be certain to draw the forces so th..
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