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Solve the following problems given below:
Problem I: At what height above the earth is the free-fall acceleration 20 % of its value at the surface? Assume Rearth = 6.37 x 106 m.
Problem II: What is the speed of a satellite orbiting at that height? Assume Mearth = 5.98 × 1024 kg.
Please help for the above problems, completely confused!! Show each steps if possible, Thanks.
In one such decay the electron and the neutrino are emitted at right angles to each other. The electron (mass 9.11x10^ -31 kg)has a speed of 3.8x10^ 7 m/s and the momentum of 7.6x10^ -24 kg m/s. What is the recoil speed of the nucleus?
a proton enters the gap between a pair of metal plates an electrostatic separator that produces a uniform vertical
The wave function for a harmonic wave on a string is D(x,t) = (0.03 m) sin [(2.2 m-1)x – (3.5 s-1)t] What is the maximum speed of any short string segment?
The supersonic aircraft Concorde has a length of 63.0 m when sitting on the ground on a typical day when the temperature is 15.0 C . The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Co..
Your radio station needs a new coaxial cable to connect the transmitter and antenna. One possible cable consists of a 2.0mm diameter inner conductor and an outer conductor with diameter 1.6cm and negligible thickness (see the figure); the maximum saf..
A pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim. how much water (if any) will spill out of the beaker
At an accident scene on a level road, investigators measure a van's skid mark to be 86 meter long. estimate the speed of the van when the driver slammed on (and locked) the brakes
The objects are then released from rest. Assuming that the particles never reach the pulley, and also that the particles do not rebound when they strike the ground.
A proton travels with a speed of 3.00 ? 106 m/s at an angle of 55.0° with the direction of a magnetic field of 0.520 T in the +y direction. determine the magnitude of the magnetic force on the proton
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle. find the bundle's initial vertical component of velocity
A velocity selector has a magnetic field of magnitude 0.32 T perpendicular to an electric field of magnitude of 0.34 MV/m. What must be the speed of a particle for it to pass through undeflected
what is the probability that an event will occur between z -0.46 and z 2.21 on the standard normalized
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