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What is the final velocity of the space shuttle after a vertical takeoff of 2 minutes with exhaust velocity u= 2900m/s, an initial total mass of 2.04 x 106 kg and 1.18x 106 kg of fuel burned? This problem includes gravity: use g=9.8m/s^2, and show the work.
A body is projected with a velocity of 20 ms-1 at 50o to the horizontal. Find (i) Maximum height reached (ii) Time of flight and (iii) Range of the projectile.
a car initially running at 10 m/s applies brake and stops in 10 secs. What is the deceleration produced by the brakes
An artillery shell of mass 10.00 kg, lying at rest on the ground, accidentally detonates, exploding into three pieces of shrapnel. Calculate the speed of the third piece of shrapnel
Consider 1 cubic meter of dry at the surface with a temperature of 300 K and a pressure of 1000 mb. Problem 19) How much energy must be added to this cubic meter of air in order to double its volume? What is the final temperature?
A charge of -3.0 nC is at the origin and a second charge of 15.0 nC is at x = 7.00 m. Find the magnitude and direction of the electric field
when the e sting of a guitar which has a frequency 330hz is plucked the sound intensity decreases by a factor of 2
A horizontal spring-mass system has low friction, spring stiffness 225 N/m, and mass 0.2 kg. The system is released with an initial compression of the spring of 8 cm and an initial speed of the mass of 3 m/s.
a 11.2 cm-diameter circular loop of wire is placed with its face parallel to the uniform magnetic field between the
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle on the ice-cream maker, and this end moves on a circular path of radius 0.32 m. what is the average power being expended
A near-sighted person wears an old prescription, where the power of his glasses is - 3.23 Diopters. What is the far point of this person
A uniform disk of radius 0.519 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
Assume a car's brakes can produce an acceleration of -7 m/s2. If the car is travelling at an initial speed of 28.0m/s, what is the minimum distance necessary to stop car.
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