Velocity of the rocket after the fuel
A 4.00-kg model rocket is launched, expelling 49.0 g of burned fuel from its exhaust at a speed of 555 m/s. What is the velocity of the rocket after the fuel has burned? Hint: Ignore the external forces of gravity and air resistance.
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A place kicker must kick a football from a pint 35m from the goal. as a result , the ball must clear the crossbar, which is 3.05m high. when kicked, the ball leaves the ground with a speed of 20 m/s and at an angle of 54 to the horizontal. what is
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A 4.00-kg model rocket is launched, expelling 49.0 g of burned fuel from its exhaust at a speed of 555 m/s. What is the velocity of the rocket after the fuel has burned?
A solution is prepared from 0.95g of Phosphoric acid and 1.15 g of perchloric acid in 150 ml of solution. How many milliliters of 0.425 M NaOH is required to neutralize 110 ml of this acidic solution?
If the transmitted intensity varies by a factor of 4.50 during the rotation, what fraction of the intensity of the original beam is associated with the beam's polarized light?
Calculate the amount of heat required to heat a 3.9kg gold bar from 30°C to 66°C. Specific heat capacity of gold is 0.128 J/g°
The blocks stick together after the collision. Find the magnitude of the total initial momentum of the two-block system. Find, the magnitude of the final velocity of the two-block system. What is the change in the system's kinetic energy due to th
Given the data below, analyze the outcome of a polymerization in each solvent -- conclude by explaining which solvent you would choose and why.
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