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A rocket of mass 10,000 kg undergoes an acceleration of 2 m/s2
a) Find the force supplied by the rocket's engines.
b) Find the rocket's speed two seconds after it leaves the ground.
c) How high will it be in 5 secs under the same acceleration.
a point charge q10-9 coulombs is placed at the centre of a dielectric sphere of radius r10cm. the relative permittivity
you are driving in a 1500 kg car and have to negotiate a curve with a radius of 35 m. the coefficient of static
Calculate the probability that an electron in the ground state of a hydrogen atom will be found at a greater distance from the nucleus than would be allowed classically.
Calculate the pressure on the top lid of a chest buried under 3.65 meters of mud with density 1.75 103 kg/m3 at the bottom of a 11.5-m-deep lake
a copper wire of diameter 2mm carries 12a of current for an electric stove. assuming the resistivity of copper of 1.7
The density of water is 1000 kg/m3, while that of ice is 916.7 kg/m3. If a block of ice is placed in water, what volume fraction of the ice is below the surface
A skier of mass 79 kg starts from rest at the top of a hill that is inclined at 17.5° with the horizontal. The hill side is 205 m long, and the coefficient of friction among snow and skis is0.073. At the bottom of the hill, the snow is level and the ..
A ballot box with mass m = 6.0 kilogram slides with speed v= 4.0 m/s across a frictionless floor in the positive direction of the x axis. Find the velocity of the second piece, with mass m2
A single circular loop piece of copper wire has a radius (r) of 12 cm. What is the average electrical energy dissipated in the resistance of the wire
Ultraviolet light causes sunburns, whereas visible light, even of greater intensity, does not. Why is this so?
Determine the total distance traveled when t = 10 s. What are the particle's average velocity, average speed, and the instantaneous velocity and acceleration at this time?
The green hoop falls a distance d = 1.65 m. (After being released from rest.) How much time does the hoop take to fall 1.65 m?What is the magnitude of the final angular speed of the orange sphere (after the green hoop has fallen the 1.65 m)?
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