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Angular Projectile Motion: A 2-stage rocket is launched at an angle of 53.0° above the horizontal with an initial speed of 100 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 30.0 m/s2. At this time, its 1-stage engines fail and the rocket moves for 5.00 s in the second stage along this line with an acceleration of 40 m/s2. The second stage engine fails and the rocket proceeds to move as a projectile. Find
(a) the maximum altitude reached by the rocket,
(b) its total time of flight,
(c) its horizontal range and
(d) the final velocity it has just before impact.
A 31.0cm focal length converging lens is 24.0 cm behind adiverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
A swimmer, capable of swimming at a speed of 1.50 m/s in still water (i.e., the swimmer can swim with a speed of 1.50 m/s relative to the water), How long does it take the swimmer to cross the river
Which of following statements is correct
A circuit containing a 7.6 H inductor has an alternating current supplied to it. If Irms is 5.6 A and Vp is 28 V, find the frequency of the signal
A water pipe at the top of a hill has a cross sectional area of 0.052 m2 and carries a flow rate of 0.75 m3/s. The pressure in this pipe is 1.8 x 105 N/m2. What is the pressure in the small pipe at the bottom
Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. What is his speed at the bottom of the swing if he starts from rest
A 0.16 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by the following equation.
A 950kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping. The police officer, knowing that the coefficient of kinetic friction be..
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.19 m/s. How much time is the stone in the air
A parallel-plate air capacitor of area A= 19.0 cm2 and plate separation d= 2.80 mm is charged by a battery to a voltage 58.0 V. how much additional charge will flow from the battery onto the positive plate
A 650 kg elevator starts from rest. it moves upward for 3.5s withconstant acceleration until it reaches its cruising speed,1.75m/s . What is the average power of the elevator motorduring this period?
A steel wire of length 1.92m with circular cross section must stretch no more than 0.210cm, What minimum diameter is required for the wire
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