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You can assume that air resistance and other frictional forces can be ignored in this question
a) Define a datum for the gravitational potential energy of particle P.
b) Write down the gravitational potential energy of particle P at a general point of motion.
c) Write down the kinetic energy of a particle Pat the same instant
d) Determine the potential energy stored n each spring at the same instant.
e) Write down an expression representing the total mechanical energy of the system at the same instant.
The speed of an arrow ?red from a compound bow is about 51 m/s. An archer sits astride his horse and launches an arrow into the air, What is the height of the projectile
What is the movement of the centre of mass of the two particles
An object's distance from a converging lens is 4.37 times the focal length. Evaluate what the magnification of the image
The height of a helicopter above the ground is given by h = 3.35t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
a jet plane has a takeoff speed of vto 74 ms and can move along the runway at an average acceleration of 2.0 ms2. if
The density of ice is 917 kg/m3 and the density of seawater is 1025 kg/m3. Find the weight of the heaviest bear that the ice can support without sinking completely beneath the water
A distant galaxy emits light that has a wavelength of 499.8 nm. On earth, the wavelength of this light is measured to be 503.8 nm. Find the speed of the galaxy relative to the earth
Bob takes off for a planet that is 100 LY away moving in a rocket ship at .9999c relative to Earth when he is 10 years old. How old is Bob (in years) when he arrives
List all the possible set of quantum numbers for a hydrogen atom with n=3. What is the electrons total energy
A ball is dropped from rest from the top of a building and hits the ground with a speed of v. From ground level a second ball isthrown upwards with the same speed at the same instant the ball at the top is dropped.
how much time passes before the brick lands on the ground. If the wind speed is 26 mph, find the velocity of the plane in still air.
A cup of water is heated with a heating coil that delivers 32.75W of heat. In 6.18 minute, the temperature of the water rises by 10.59 oC. What is the mass of the water
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