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The mass of a certain planet is 6.93×1023 kg, and its radius is 1111 km. What is the acceleration due to gravity on the planet's surface?
q1. three capacitors are arranged as shown. c1 has the capacitance of 9 pf c2 has a capacitance of 18 pf and c3 has a
An asteroid, whose mass is 1.70×10-4 times the mass of Earth, Calculate the period of revolution of the asteroid in years
A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. What is the amount of potential energy acquired by the spring when it is compressed
A space explorer A sets off at a steady 0.95c to a distant star. After exploring the star for a short time, he returns at the same speed and gets home after a total absence of 80 years (as measured by earth-bound observers). How long does A's clock s..
A charged object has two forces acting on it: F1 (4 Newtons, pointing up at 120 degrees from the positive x axis), Compute the total (net) force acting on the object
The escape velocity of a bullet from the surface of planet Y is 1759.0 m/s. Calculate the escape velocity from the surface of the planet X
In a certain region, the earth's magnetic field has a magnitude of 4.8 x 10-5 T and is directed north at an angle of 66° below the horizontal. Determine the bullet's electric charge
A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection
A mass of 0.450 kg rotates at constant speed with a period of 1.45 s at a radius of R 0.140 m . What is the rotation period for a mass of 0.550kg at the same radius
An 8g bullet is fired at a speed of 216 m/s into a 190 g block that is initially at rest at the edge of a table of 1m height. The bullet fully embeds itself in the block before the bullet-block system launches off the table. How far in the x-direc..
In the winter sport of curling, players give a 20kg stone a push across a sheet of ice. How much force does the curler exert on the stone
A hockey puck B rests on a smooth surface of ice and is struck by a second puck A , which was originally traveling at v= 40.0m/s, What fraction of the original kinetic energy of puck A dissipates during the collision
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