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What is the gravitational attraction of someone on Earth due to the Sun? How does this compare with the gravitational attraction of the Moon?
a monkey escapes from the zoo and climbs a tree. after failing to entice the monkey down the zookeeper fires a
Susan, driving north at 52 mph , and Shawn, driving east at 52 mph , are approaching an intersection. What is Shawn's speed relative to Susan's reference frame
A spring length of 40 cm, if given a force of 200N, increased spring length of 8 cm. Then spring is cut into two equal parts, and both parallelized. How much effort is needed so that the spring is still increasing length of 8 cm, when installed in pa..
A box of mass 2.1 kilogram is on a horizontal surface. Find the speed of the box after it has travelled a distance of 2.3 meter
A narrow vertical single slit (in air) is illuminated by IR from a He-Ne laser at 1152.2 nm, and it is found that the center of the first dard band lies at an angle of 4.2 deg off the central axis. Determine the width of the slit.
An electric motor rotating a workshop grinding wheel at a rate of114 rev/min is switched off. Suppose the wheel has a constant negative angular acceleration of magnitude1.90 rad/s2. How long does it take for the grinding wheel to stop?
Point charges q1=? 4.10nC and q2=+ 4.10nC are separated by distance 3.20mm , forming an electric dipole, What is the direction of the dipole moment
What is the total negative charge, in coulombs, of all the electrons in a small 1.05g sphere of carbon? One mole of C is 12.0g, and each atom contains 6 protons and 6 electrons.
Two parallel sheets of aluminum foil separated by 0.1 millimeter are connected to a 9 Volt battery. The area of each sheet is 0.5 m2. Determine how much energy is stored in the capacitor
A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, find out the average resistance force exerted on him by the water.
The antelope moving towards the observer with constant speed of 35m/s is spotted at distance of 24 meters away from the lens of focal length 4.3m, it is viewed through. What is the speed of the image of the antelope? State your answer to nearest tent..
What is the change in gravitational potential energy of a 2.00- kg mass that is carried from the surface of the earth to a distance of one earth radius above the surface
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