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A spaceship is heading toward Planet X. While descending to the surface, its rockets produce 25 kN of upward thrust and the spaceship's speed decreases at a rate of 0.15 m/s^2 . Following the completion of its mission, the spaceship lifts off to return to its home planet. While leaving Planet X's surface, the rockets produce 75 kN of upward thrust and the spaceship's speed increases at a rate of 0.50 m/s^2. What is the mass of the spaceship and the acceleration due to gravity at the surface of Planet X? Assume that the acceleration due to gravity is constant.
A glass windowpane in a home is 0.62cm thick and has dimensions of 0.9m multiplied by 1.6 m. On a certain day, the indoor temperature is 20 °C and the outdoor temperature is 0 °C.
In Fig. 22-30 the electric field lines on the left have twice theseparation as those on the right. (a) Ifthe magnitude of the field at A is 58 N/C, what is the magnitude ofthe force on a proton at A?
The drawing shows a sulfur dioxide molecule. It consists of twooxygen atoms and a sulfur atom. A sulfur atom is twice as massiveas an oxygen atom. Using this information and the data provided inthe drawing, find the coordinates of the center of ma..
A 10.0- shell is traveling horizontally to the right at 25.0 relative to the ground when it explodes into two fragments, Find the magnitude of the velocity of the heavier fragment relative to the ground just after the explosion
Determine the efficient spring constant of the molecule
A sinusoidal voltage ?v = (100 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 120 ?F, and R = 32 ?. What is the maximum current in the circuit
A radar for tracking aircraft broadcasts a 18.2 GHz microwave beam from a 1.03 m diameter circular radar antenna. What is the diameter (in m) of the radar beam at a distance of 25.0 km
A baseball thrown at an angle of 55.0 above the horizontal strikes a building 18.0 away at a point 8.00 above the point from which it is thrown. Find the magnitude of the initial velocity of the baseball
Brakes cause a frictional force of 2.5 N to the left to stop a 0.975-kg toy car traveling on a level surface at 3.75 m/s to the right. Calculate how far the car will travel while the brakes are being applied before the car finally stops.
A discus thrower accelerates a discus from rest to a speed of 24.9 m/s by whirling it through 1.22 rev. Calculate the final angular speed of the discus
A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, Calculate the length of the longer of the two sides of the initial rectangle
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 670 nm. Determine the angle that locates the first dark fringe
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