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A starship with a rest mass of 4.5 × 109 kg is traveling at a speed of 0.995 c when its sensors pick up a stationary asteroid directly in its path, 1.5 × 1010 m away. How far away from the ship is the asteroid according to a (stationary) outside observer? How much time do the people on the ship have to react before it hits the asteroid?
suppose the ball on point a is released at time 0. point a is on top with a declining slope at a 45 degree angle to
question a train locomotive is pulling two cars of the same mass behind it. determine the ratio of the tension in the
A 15 V constant voltage battery is connected to 120 kΩ resistora. How many electrons pass through the resistor each second
The mirrors used in a particular type of laser are 99.99% reflecting. What is the force due to radiation pressure on one of the mirrors
A -2.47 microC charge is placed at the center of a conducting spherical shell, and a total charge of +6.25 microC is placed on the shell itself. Calculate the total charge on the outer surface of the conductor
A 35 mm camera using a standard 50.0 mm lens is focused on a 1.80 m tall person who is standing 3.25 m from the lens. What is the height of the flower%u2019s image on the film
In the last sentence, there are three statements about prices. Rewrite these as statements about derivatives.
q1. a vertical electric field of magnitude 3.00 multiplied by 104 nc exists above the earths surface on a day when a
The angular speed of a propeller on a boat increases with constantacceleration from 10.9 rad/s to 24.0 rad/s in 2.20 revolutions. What is the acceleration of the propeller
An insect that is 5.30 mm long is placed 8.9 cm from a converging lens with a focal length of 12.0 cm. find the angular magnification if the lens is close to the eye
You are at the controls of a particle accelerator, sending a beam of 3.00×107 protons (mass ) at a gas target of an unknown element. Find the mass of one nucleus of the unknown element
An archaeologist found a fragment bone of animal. It has an activity per gram of carbon that is 25% that of an equivalent sample of carbon from a similar living animal
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