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A possible spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. If the sail material has a density of 625.0 kg/m3, what is the maximum thickness of the sail for which the force due to radiation pressure exceeds the gravitational force on the sail?
If the sail's area is 2.7106 m2. its thickness is 1 µm, and the craft carries a 81.0 kg payload, what is its acceleration at the radius of the Earth's orbit?
To estimate the muzzle speed of a blow dart, fire dart straight up into the air and time how long it takes to come back down. Roughly half of that time is the time for object to decelerate from its initial velocity to motionless. Estimation the in..
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. The gas is heated to a temperature of 49°C while being kept at constant pressure. What is the new volume of the gas after it is heated
A cannonball is shot (from ground level) with an initial horizontal velocity of 40 m/s and an initial vertical velocity of 21 m/s, What is the initial angle of the cannonball with respect to the ground
Two 2.3-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0 battery. What is the charge before the Teflon is removed
A 25.0-mH inductor, a 2.00-%u03BCF capacitor, and a certain resistor are connected in series across an ac voltage sourceat 1000 Hz. what is the value of the resistor
A metal sphere is filled with ammonia as part of a refrigeration device. what is the mass of the ammonia if it fills up half of the sphere
A camera has a lens with a focal length of 24.9 cm. how far from the film should the lens be placed
Two sound sources radiating in phase at a frequency of 580Hz interfere such that maxima are heard at angles of 0 and 24 from a line perpendicular to that joining the two sources. Find out the seperation between the two sources. The velocity of sou..
A model rocket rises with constant acceleration to a height of 3.8 , at which point its speed is 26 m/s How much time does it take for the rocket to reach this height.
A person uses corrective glasses of power -8.5 D. If the glasses are worn 2.0 cm from the eye, what is the person's far point without glasses
A 80- kg child sits in a swing suspended with 2.8- m-long ropes. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go
A 5 kg piece of metal displaces 0.75 L of water when submerged. What is the buoyant force on the piece of metal
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