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A rocket of mass m is fired vertically upwards. The interaction between its engine and the surroundings produces an upward force of magnitude F=Fmax-Ct^2 (where t is in seconds) until F=0 then the engine shuts off. Determine the speed of the rocket at the instant the enine shuts off, voff, as a function of Fmax, C, m, and g.
The power of lightbulb is 100 Watts. I found the intensity of lightbulb which is about 812 Watt/m^2. Using these information, find the intensity of the Sun
Struck from behind, a 950-kg stopped car accelerates from rest to 40km/h in 75 ms, What horizontal force on the head would accelerate it along with the rest of the body
The gravitational potential energy of all the water stored behind a very large dam is 1.2Ã-10^16 J, How far apart should you place the charges
As the fragment falls through the atmosphere, it is heated and some of the material is vaporized, find the composition of this hot vaporized material from the light it emits
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
A 1.00uF capacitor is connected in parallel with a 2.00uF capacitor, Find the potential on the negative plate of the 1.00uF caacitor and the equivalent capacitance of the two capacitors
What type of information would you tell the prospective employer?. Explain how would you share be to your advantage or disadvantage?
We have some air in a cylinder like that in the figure. Assume that air is an ideal diatomic gas. The diameter of the cylinder is 5.4 cm. Find the amount of hear that was put into air
A person on a rotating stool with arms stretched out rotates at an angular speed of 5.00 rad/s. By what factor does the moment of inertia change
A binary system consists of stars of masses m and 2m, separated by a distance L=3.00×1011 m. What is the centripetal acceleration of the other star
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
While leaning out a window that is 5.5 m above the ground, you drop a 0.60-kg basketball to a friend at ground level. determine the amount of work done by the force of gravity
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