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(a) What is the approximate force of gravity on a 70-kg person due to the Andromeda galaxy, assuming its total mass is 1013 that of our Sun and acts like a single mass 2 Mly away?
(b) What is the ratio of this force to the person's weight? Note that Andromeda is the closest large galaxy.
pivot without friction about the point O. This pendulum is released from rest in a horizontal position, How far does the block move before coming to rest
It takes 2.40ms for the current in an LR circuit to increase from zero to 0.78 its maximum value. Determine the time constant of the circuit
two spheres with charges of 6x10-6 and -2x10-6 bagin at a distance of .02 m. they touch and then seperate. calculate
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.60 m/s at an angle of 18.0° below the horizontal. How far horizontally from the base of the building does the ball strike the ground
A 2.10-kg block is suspended from a spring with a spring constant of 480.0 N/m. A 0.070-kg bullet is fired into the block from directly below with a speed of 130.0 m/s, Find the amplitude of the subsequent motion
A spherical hydrogen-filled balloon is used to lift a load of 5595 N (in addition to the weight of the hydrogen). Find the minimum necessary radius for the balloon
Can a non-linear resistance device be made to seem linear by restricting the range of voltages as well as currents used? Think of the light bulb experiment. What might happen to the plot for a linear resistor
Oasis B is located 25 km east from oasis A. A camel starts from oasis A and travels 19.6 km in the direction 14.7 degrees south of east. Then it walks 8 km directly to the north. How far is the camel from oasis B?
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. What is his predicted landing velocity
A wire is stretched just taut (zero tension) at 444.0°C. Find the stress in the wire if it is cooled to 79.0°C without being allowed to contract. Young's modulus for the wire is 2.0 × 10¹¹ Pa and its coefficient of linear expansion is 3.4 × 10?5/°..
Someone is pulling a suitcase through an airport at constant speed. The handle of the suitcase makes an angle of 55 degree with the horizontal. what is the pulling force being exerted by the person parallel to the handle
A 340-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 28° with the horizontal. What is the angular speed of the sphere
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