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Q1. The International Space Station orbits the Earth at the average altitude of 362 km. Assume that its orbit is circular, and calculates its orbital speed. The Earth's mass is 5.97×10^24 kg and its radius is 6.38×10^6 m.
Q2. A reconnaissance plane flies 600 km away from its base at 300 km/h, and then flies back to its base at 440 km/h. What is the average speed?
Q3. A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down?
A certain light truck can go around a flat curve having a radius of 150 m with a lowest speed of 38.0 m/s. With what maximum speed can it go around a curve having a radius of 87.0 m.
What are the strength and direction of an electric field that will balance the weight of a 1.2 g plastic sphere that has been charged to -2.9 nC
Determine the possible values of the total spin and total angular momentum quantum numbers, S and J, for a helium atom in the 1s3p conguration
Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..
A golf club strikes a 0.034-kg golf ball in order to launch it from the tee. With what speed does the ball leave the club
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. A +12.7 ?C charge moves from the origin to the point (x, y) = (15.5cm, 46.0 cm). What was the change in the potential energy of this charge?
A broken-down spaceship (Star Wreck?) flies across an international soccer field, How long does the spaceship pilot measure the field to be
The multiplicity for a particular system is ?= exp(N^2V^3U^1/2/?), What is the system's entropy, temperature, chemical potential, pressure and heat capacity at constant volume
A high driver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting at rest. what average upward force did the water exert on her
An electron is moving at a speed of 1.0 x10^4 m/s in a circular path of radius of 2.1cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron's path. The solenoid has 25 turns per centimeter.
What is an average magnitude of the Pointing vector 5.0miles from a radio transmitter broadcasting isotropically with an average power of 250-kW?
The amount of 14C in an old, isolated sample of vegetation is 0.757 that expected from a present day sample with an equivalent carbon content, Calculate the age of the old sample in years
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