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The first stage of a space vehicle consumed fuel and oxidizer at the rate of 2.20 x 104 kg/s, with an exhaust speed of 3.25 x103 m/s.
(a) Estimate the thrust produced by these engines?
N
(b) Obtain the acceleration of the vehicle just as it lifted off the launch pad on the Earth if the vehicle's initial mass was3.00 x 106 kg. [Note: You must include the force of gravity to solve part (b).]
m/s2 upward
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 60 cm and is wound around the top at a spot where its radius is 2.0 cm. The thickness of the string is neglig..
In some places, insect "zappers," by their blue lights, are a familiar sight on a summer's night. These devices utilize a high voltage to electrocute insects. One such device uses an ac voltage of 4200 V, which is obtained from a standard 120-V outle..
q1. a planet of mass 4.00 1025 kg is in a circular orbit of radius 3.00 1011 m around a star. the star exerts a force
Please helps me out for determining the following if the capacitor in the circuit below is initially uncharged.
A spotlight on a boat is y = 2.7 m above the water, and the light strikes the water at a point that is x = 9.4 m horizontally displaced from the spotlight (see the drawing). The depth of the water is 4.0 m. Determine the distance d, which locates the..
a 15-kg block rests on a level frictionless surface and is attatched by a light string to a 5.0-kg hanging mass, what is the tension in the connecting string
An airtight box has a removable lid of area 2.0 10-2m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 0.75 x10^5Pa. The inside of the box is completely evacuated. What is the magnitude of force nece..
What is the smallest radius of a circle at which a bicyclist can travel if his speed is 9 m/s and the coefficient of static friction between the tires and the road is 0.32, what is the largest angle of inclination
A pacific north west home has a solar photovoltaic (PV) system that produces 10.45 MWh of usable electricity peryear. Their PV system is tied to the electrical grid, and all theenergy it produces is credited against their energy home consumption.
A small ball of 53 grams is suspended from a string of length 86 centimeters and whirled in a circle lying in the horizontal plane. If the string makes and angle of 31 degrees with the vertical, find out the centripetal force experienced by the ball...
Assume a ray of light is incident on an air / material boundary at 45 degrees to the normal. What is the critical angle for the material when it is surrounded by air
When a rock thrown straight upwards gets to the exact top of its path, its. While a car travels around a circular track at a constant speed its
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