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Which statements about a neutral atom are correct? Check all that apply.
1. A neutral atom is composed of bothpositively and negatively charged particles.2 .Positively charged protons are located in the tiny, massivenucleus.3. The positively chargedparticles in the nucleus are positrons.4. The negatively chargedelectrons are spread out in a "cloud" around thenucleus.5. The electrons areattracted to the positively charged nucleus.6. The radius of the electroncloud is twice as large as the radius of the nucleus.
A ping-pong ball has an average density of 0.0840 g/cm3 and a diameter of 3.80 cm. What force would be required to keep the ball completely submerged under water
A shot putter launches a 7.240 kg shot by pushing it along a straight line of length 1.650 m and at an angle of 34.00° from the horizontal, accelerating the shot to the launch speed from its initial speed of 2.500 m/s (which is due to the athlete'..
A kid slides down from the top of a 3m high frictionless slide. When he reaches the bottom of the slide, he travels over a 2m long carpet with a 0.20 coefficient of kinetic friction, What height does he return to on the slide
Young's double-slit experiment is performed with 587-nm light and a distance of 2.00 m between the slits, Determine the spacing of the slits
A fish swimming in a horizontal plane has a velocity vi = (3.3i + 1.6j) m/s at a point in the ocean where the position relitive to a certian rock is ri = (10.5i - 3.9j) m. After the fish swims with a constant acceleration for 20.6 s, it's velocity..
A uniform plank of length 4.30 m and weight 226 N rests horizontally on two supports, with 1.10 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 437 N walk on overhanging part of the plank be..
If 55.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop, at what rate is thermal energy generated in the loop
A 481-kg cannon fires a 18.3-kg projectile with a speed of 167 m/s with respect to the muzzle. what is the speed of the projectile with respect to the ground
an auditorium measures 40.0m X20.0 m X 12.0 m. The density of air is 1.20 kg/m^3. find the weight of air in the room
The driver of a truck slams on the brakes when he sees a tree blocking the road. With what speed does the truck then strike the tree
The below cylinder has a 3.00 inch bore, 1.00 inch rod and a 40.00 inch stroke, what force will the cylinder rod exert after the cylinder extends
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 80.5 kg and a radius R = 0.625..
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