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The engine of a model rocket is rated with a total impulse of 5.00 N seconds and a thrust duration of 1.20 seconds. What is the average force exerted by the engine? I believe the answer is 4.17 N. I need to see each step and formula to solve this question.
A 0.135 kg ball is thrown straight up from 2.20 m above the ground.Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
A wire is formed into a circle having a diameter of 10.9 cm and is placed in a uniform magnetic field of 3.17 mT. Find the maximum torque on the wire
A ball is tossed from an upper story window of a building. Compute the height from which the ball is thrown.
Find the velocity and speed
In the figure the man hanging upside down is holding a partner who weighs 505 N. what force must the man apply to his partner in the straight-down position
A transverse wave is travelling on a string. The displacement y of a particle from its equilibrium position is given with y = (0.021 m) sin (25t - 2.0x). Note that the phase angle 25t - 2.0 x is in radians, t is in seconds, and x is in meters. The li..
A 2kg block of wood floats on water with 75% of its volume submerged. Find the mass of the steel block
A uniform rod of length 0.880 m and mass 11.5 kg is balanced on a sharp edge at 0.580 m from the left end. Calculate the torque on the center of mass of the rod alone with respect to the pivot point
A trolley that moves along a horizontal beam is acted upon by two forces as shown. What is the corresponding magnitude of the resultant
One mole of dry air has an initial state of T = 293 K and p = 900 hPa. It undergoes a process in which its volume becomes four times its initial volume and its pressure decreases to 450 hPa. If air is considered an ideal gas and if the process obeys ..
A 500 gram model rocket is resting horizontally at the top edge of a 40 meter high wall when it is accidentally bumped. Explain the trajectory of rocket while it travels to the ground
q1. a 1035 kg car carrying four 78 kg people travels over a rough washboard dirt road with corrugations 5.0 m apart
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