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The small spherical planet called Glob has a mass of 7.80×1018 kg and a radius of 6.60×104 m. A 26.0 kg satellite is in a circular orbit around the planet at a height of 1.20×105m above the planet's surface. Calculate the speed of the satellite.
A RC circuit consists of 20 M-Ohm and C = 2 milli-farad. It started charging sometime ago with a 12-volt battery. Today, 10 am, you measure the voltage across the capacitor and it reads 8 V. When was the start time?
Lennard-Jones formula U(r)=k[(a/r)^12 - 2(a/r)^6] where r is the center-to-center distance between the atom and k is a positive constant. a) plot U vs r. b) determine the force that goes with this potential. c) show that the equilibrium separation..
A 6.0-V battery is connceted in series with a 29-mH inductor, a 110-Ω resistor, and an open switch. After the switch is closed, how much time will elapse before the current in the circuit will be equal to 12 mA?
The wavelength of light visible to the human eye is on the order of 6 × 10-7 m. Find the frequency of the lightwave if the speed of light in air is 2.99792 × 108 m/s
a parcel of land held by the partnership as an investment (basis $3,000), and equipment with a basis of $6,000. Illustrate what is her basis in the land and equipment?
Point charges of 25.0 µC and 49.0 µC are placed 0.500 m apart. What is the magnitude and direction of the electric field halfway between them
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid it weighs 10N. If the cylinder has a volume of 10–4m3, what is the density of the fluid?
A solid disk with m=60.0kg and a diameter of 48.0cm is to be turned from rest through 12.0 revolutions in 6.00s. Calculate the torque required to accomplish this
A person runs around a circular track of radius of 111 meter at a constant linear speed of 3 meter per second. Calculate the person angular velocity
If the bullet leaves the gun at a speed of 280 m/s, by how much will it miss the target.
You wish to buy a motor that will be used to lift a30-kg bundle of shingles from the ground to the roof of a house. Determine the minimum torque that the motor must be able to provide
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